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From Apache Jenkins Server <jenk...@builds.apache.org>
Subject Hadoop-Hdfs-trunk-Java8 - Build # 137 - Failure
Date Sat, 28 Mar 2015 12:49:10 GMT
See https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/137/

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########################## LAST 60 LINES OF THE CONSOLE ###########################
[...truncated 10386 lines...]
[INFO] Executing tasks

main:
    [mkdir] Created dir: /home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/target/test-dir
[INFO] Executed tasks
[INFO] 
[INFO] --- maven-source-plugin:2.3:jar-no-fork (hadoop-java-sources) @ hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-source-plugin:2.3:test-jar-no-fork (hadoop-java-sources) @ hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-enforcer-plugin:1.3.1:enforce (dist-enforce) @ hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-site-plugin:3.4:attach-descriptor (attach-descriptor) @ hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-javadoc-plugin:2.8.1:jar (module-javadocs) @ hadoop-hdfs-project ---
[INFO] Not executing Javadoc as the project is not a Java classpath-capable package
[INFO] 
[INFO] --- maven-enforcer-plugin:1.3.1:enforce (depcheck) @ hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-checkstyle-plugin:2.12.1:checkstyle (default-cli) @ hadoop-hdfs-project ---
[INFO] 
[INFO] --- findbugs-maven-plugin:3.0.0:findbugs (default-cli) @ hadoop-hdfs-project ---
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Apache Hadoop HDFS ................................ FAILURE [  01:14 h]
[INFO] Apache Hadoop HttpFS .............................. SKIPPED
[INFO] Apache Hadoop HDFS BookKeeper Journal ............. SKIPPED
[INFO] Apache Hadoop HDFS-NFS ............................ SKIPPED
[INFO] Apache Hadoop HDFS Project ........................ SUCCESS [  1.925 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:14 h
[INFO] Finished at: 2015-03-28T12:48:59+00:00
[INFO] Final Memory: 59M/246M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on project hadoop-hdfs: ExecutionException: java.lang.RuntimeException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
[ERROR] Command was /bin/sh -c cd /home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs && /home/jenkins/tools/java/jdk1.8.0/jre/bin/java -Xmx4096m -XX:MaxPermSize=768m -XX:+HeapDumpOnOutOfMemoryError -jar /home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs/target/surefire/surefirebooter9092782731554127802.jar /home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs/target/surefire/surefire1137952542295105439tmp /home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs/target/surefire/surefire_731861070078652389917tmp
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
Build step 'Execute shell' marked build as failure
Archiving artifacts
Recording test results
Updating HADOOP-11639
Updating MAPREDUCE-6291
Updating HDFS-8004
Updating HADOOP-11760
Updating HDFS-7700
Updating MAPREDUCE-6294
Updating HDFS-7990
Sending e-mails to: hdfs-dev@hadoop.apache.org
Email was triggered for: Failure
Sending email for trigger: Failure



###################################################################################
############################## FAILED TESTS (if any) ##############################
43 tests failed.
REGRESSION:  org.apache.hadoop.hdfs.TestBlockReaderLocalLegacy.testBlockReaderLocalLegacyWithAppend

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy19.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestBlockReaderLocalLegacy.testBlockReaderLocalLegacyWithAppend(TestBlockReaderLocalLegacy.java:199)


REGRESSION:  org.apache.hadoop.hdfs.TestDFSPermission.testPermissionChecking

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 15 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 15 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.TestDFSPermission$StatsPermissionVerifier.call(TestDFSPermission.java:866)
	at org.apache.hadoop.hdfs.TestDFSPermission$PermissionVerifier.verifyPermission(TestDFSPermission.java:629)
	at org.apache.hadoop.hdfs.TestDFSPermission.testStats(TestDFSPermission.java:888)
	at org.apache.hadoop.hdfs.TestDFSPermission.testPermissionCheckingPerUser(TestDFSPermission.java:548)
	at org.apache.hadoop.hdfs.TestDFSPermission.testPermissionChecking(TestDFSPermission.java:412)


REGRESSION:  org.apache.hadoop.hdfs.TestDistributedFileSystem.testStatistics

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 15 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 15 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy18.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy19.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.TestDistributedFileSystem.testStatistics(TestDistributedFileSystem.java:442)


REGRESSION:  org.apache.hadoop.hdfs.TestEncryptedTransfer.testEncryptedAppend[0]

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.writeTestDataToFile(TestEncryptedTransfer.java:605)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.testEncryptedAppend(TestEncryptedTransfer.java:551)


REGRESSION:  org.apache.hadoop.hdfs.TestEncryptedTransfer.testLongLivedWriteClientAfterRestart[0]

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.writeTestDataToFile(TestEncryptedTransfer.java:605)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.testLongLivedWriteClientAfterRestart(TestEncryptedTransfer.java:421)


REGRESSION:  org.apache.hadoop.hdfs.TestEncryptedTransfer.testEncryptedAppendRequiringBlockTransfer[0]

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.writeTestDataToFile(TestEncryptedTransfer.java:605)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.testEncryptedAppendRequiringBlockTransfer(TestEncryptedTransfer.java:589)


REGRESSION:  org.apache.hadoop.hdfs.TestEncryptedTransfer.testEncryptedAppend[1]

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.writeTestDataToFile(TestEncryptedTransfer.java:605)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.testEncryptedAppend(TestEncryptedTransfer.java:551)


REGRESSION:  org.apache.hadoop.hdfs.TestEncryptedTransfer.testLongLivedWriteClientAfterRestart[1]

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.writeTestDataToFile(TestEncryptedTransfer.java:605)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.testLongLivedWriteClientAfterRestart(TestEncryptedTransfer.java:421)


REGRESSION:  org.apache.hadoop.hdfs.TestEncryptedTransfer.testEncryptedAppendRequiringBlockTransfer[1]

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.writeTestDataToFile(TestEncryptedTransfer.java:605)
	at org.apache.hadoop.hdfs.TestEncryptedTransfer.testEncryptedAppendRequiringBlockTransfer(TestEncryptedTransfer.java:589)


REGRESSION:  org.apache.hadoop.hdfs.TestFileAppend3.testTC2

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestFileAppend3.testTC2(TestFileAppend3.java:169)


REGRESSION:  org.apache.hadoop.hdfs.TestFileAppend3.testTC5

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestFileAppend3.testTC5(TestFileAppend3.java:229)


REGRESSION:  org.apache.hadoop.hdfs.TestFileAppend3.testTC7

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestFileAppend3.testTC7(TestFileAppend3.java:330)
	at org.apache.hadoop.hdfs.TestFileAppend3.testTC7(TestFileAppend3.java:341)


REGRESSION:  org.apache.hadoop.hdfs.TestFileAppend3.testTC12

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestFileAppend3.testTC12(TestFileAppend3.java:431)
	at org.apache.hadoop.hdfs.TestFileAppend3.testTC12(TestFileAppend3.java:450)


REGRESSION:  org.apache.hadoop.hdfs.TestFileAppend3.testAppendToPartialChunk

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.TestFileAppend3.testAppendToPartialChunk(TestFileAppend3.java:482)
	at org.apache.hadoop.hdfs.TestFileAppend3.testAppendToPartialChunk(TestFileAppend3.java:595)


REGRESSION:  org.apache.hadoop.hdfs.TestGetFileChecksum.testGetFileChecksum

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.DFSTestUtil.appendFile(DFSTestUtil.java:774)
	at org.apache.hadoop.hdfs.TestGetFileChecksum.testGetFileChecksum(TestGetFileChecksum.java:60)
	at org.apache.hadoop.hdfs.TestGetFileChecksum.testGetFileChecksum(TestGetFileChecksum.java:72)


REGRESSION:  org.apache.hadoop.hdfs.TestHdfsAdmin.testHdfsAdminSetQuota

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 15 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 15 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy17.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy18.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.TestHdfsAdmin.testHdfsAdminSetQuota(TestHdfsAdmin.java:64)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestAddBlock.testAddBlockUC

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.server.namenode.TestAddBlock.testAddBlockUC(TestAddBlock.java:133)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestFSImageWithSnapshot.testLoadImageWithAppending

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.server.namenode.TestFSImageWithSnapshot.appendFileWithoutClosing(TestFSImageWithSnapshot.java:133)
	at org.apache.hadoop.hdfs.server.namenode.TestFSImageWithSnapshot.testLoadImageWithAppending(TestFSImageWithSnapshot.java:403)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestFSImageWithSnapshot.testSaveLoadImageWithAppending

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.server.namenode.TestFSImageWithSnapshot.appendFileWithoutClosing(TestFSImageWithSnapshot.java:133)
	at org.apache.hadoop.hdfs.server.namenode.TestFSImageWithSnapshot.testSaveLoadImageWithAppending(TestFSImageWithSnapshot.java:349)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestHDFSConcat.testConcatWithQuotaIncrease

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 15 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 15 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestHDFSConcat.testConcatWithQuotaIncrease(TestHDFSConcat.java:460)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestHDFSConcat.testConcatWithQuotaDecrease

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestHDFSConcat.testConcatWithQuotaDecrease(TestHDFSConcat.java:429)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestHDFSConcat.testConcat

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestHDFSConcat.testConcat(TestHDFSConcat.java:154)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestNameEditsConfigs.testNameEditsConfigs

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 15 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 15 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy19.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestNameEditsConfigs.checkFile(TestNameEditsConfigs.java:99)
	at org.apache.hadoop.hdfs.server.namenode.TestNameEditsConfigs.testNameEditsConfigs(TestNameEditsConfigs.java:179)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestNameEditsConfigs.testNameEditsConfigsFailure

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy19.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestNameEditsConfigs.checkFile(TestNameEditsConfigs.java:99)
	at org.apache.hadoop.hdfs.server.namenode.TestNameEditsConfigs.testNameEditsConfigsFailure(TestNameEditsConfigs.java:448)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestNamenodeRetryCache.testAppend

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/fs/ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.server.namenode.TestNamenodeRetryCache.testAppend(TestNamenodeRetryCache.java:235)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithFileCreateTruncate

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 15 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 15 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithFileCreateTruncate(TestQuotaByStorageType.java:631)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithSnapshot

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithSnapshot(TestQuotaByStorageType.java:573)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testContentSummaryWithoutStoragePolicy

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testContentSummaryWithoutStoragePolicy(TestQuotaByStorageType.java:779)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testContentSummaryWithoutQuotaByStorageType

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testContentSummaryWithoutQuotaByStorageType(TestQuotaByStorageType.java:756)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithFileCreateAppend

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithFileCreateAppend(TestQuotaByStorageType.java:161)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithFileCreateDelete

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithFileCreateDelete(TestQuotaByStorageType.java:202)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithFileCreateRename

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
 at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getContentSummary(ClientNamenodeProtocolServerSideTranslatorPB.java:875)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getContentSummary(ClientNamenodeProtocolTranslatorPB.java:803)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.getContentSummary(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.getContentSummary(DFSClient.java:3043)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:726)
	at org.apache.hadoop.hdfs.DistributedFileSystem$15.doCall(DistributedFileSystem.java:722)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getContentSummary(DistributedFileSystem.java:733)
	at org.apache.hadoop.hdfs.server.namenode.TestQuotaByStorageType.testQuotaByStorageTypeWithFileCreateRename(TestQuotaByStorageType.java:248)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestSnapshotPathINodes.testSnapshotPathINodesAfterModification

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy22.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.DFSTestUtil.appendFile(DFSTestUtil.java:756)
	at org.apache.hadoop.hdfs.server.namenode.TestSnapshotPathINodes.testSnapshotPathINodesAfterModification(TestSnapshotPathINodes.java:384)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.TestSnapshotPathINodes.testSnapshotPathINodesAfterDeletion

Error Message:
The directory /TestSnapshot/sub1 has snapshot(s). Please redo the operation after removing all the snapshots.
 at org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotManager.resetSnapshottable(SnapshotManager.java:160)
 at org.apache.hadoop.hdfs.server.namenode.FSDirSnapshotOp.disallowSnapshot(FSDirSnapshotOp.java:68)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.disallowSnapshot(FSNamesystem.java:7292)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.disallowSnapshot(NameNodeRpcServer.java:1601)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.disallowSnapshot(ClientNamenodeProtocolServerSideTranslatorPB.java:1097)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.hdfs.protocol.SnapshotException: The directory /TestSnapshot/sub1 has snapshot(s). Please redo the operation after removing all the snapshots.
	at org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotManager.resetSnapshottable(SnapshotManager.java:160)
	at org.apache.hadoop.hdfs.server.namenode.FSDirSnapshotOp.disallowSnapshot(FSDirSnapshotOp.java:68)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.disallowSnapshot(FSNamesystem.java:7292)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.disallowSnapshot(NameNodeRpcServer.java:1601)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.disallowSnapshot(ClientNamenodeProtocolServerSideTranslatorPB.java:1097)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy21.disallowSnapshot(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.disallowSnapshot(ClientNamenodeProtocolTranslatorPB.java:1063)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy22.disallowSnapshot(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.disallowSnapshot(DFSClient.java:2729)
	at org.apache.hadoop.hdfs.DistributedFileSystem$32.doCall(DistributedFileSystem.java:1591)
	at org.apache.hadoop.hdfs.DistributedFileSystem$32.doCall(DistributedFileSystem.java:1587)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.disallowSnapshot(DistributedFileSystem.java:1608)
	at org.apache.hadoop.hdfs.server.namenode.TestSnapshotPathINodes.testSnapshotPathINodesAfterDeletion(TestSnapshotPathINodes.java:286)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing.testQueueingWithAppend

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing.testQueueingWithAppend(TestDNFencing.java:458)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.ha.TestHAAppend.testMultipleAppendsDuringCatchupTailing

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy18.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy19.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestHAAppend.testMultipleAppendsDuringCatchupTailing(TestHAAppend.java:99)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode.testAppendWhileInSafeMode

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode.testAppendWhileInSafeMode(TestHASafeMode.java:425)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.ha.TestQuotasWithHA.testQuotasTrackedOnStandby

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/fs/ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:500)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:139)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3892)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1193)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestQuotasWithHA.testQuotasTrackedOnStandby(TestQuotasWithHA.java:97)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA.testAppend

Error Message:
test timed out after 60000 milliseconds

Stack Trace:
java.lang.Exception: test timed out after 60000 milliseconds
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java:502)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA.testClientRetryWithFailover(TestRetryCacheWithHA.java:1293)
	at org.apache.hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA.testAppend(TestRetryCacheWithHA.java:1136)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.snapshot.TestINodeFileUnderConstructionWithSnapshot.testGetBlockLocations

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.server.namenode.snapshot.TestINodeFileUnderConstructionWithSnapshot.appendFileWithoutClosing(TestINodeFileUnderConstructionWithSnapshot.java:133)
	at org.apache.hadoop.hdfs.server.namenode.snapshot.TestINodeFileUnderConstructionWithSnapshot.testGetBlockLocations(TestINodeFileUnderConstructionWithSnapshot.java:239)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotDiffReport.testDiffReportWithRenameAndAppend

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.DFSTestUtil.appendFile(DFSTestUtil.java:774)
	at org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotDiffReport.testDiffReportWithRenameAndAppend(TestSnapshotDiffReport.java:485)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength.testSnapshotfileLength

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
 at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 18 more


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.fs.ContentSummary$Builder
	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 18 more

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength.testSnapshotfileLength(TestSnapshotFileLength.java:112)


REGRESSION:  org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength.testSnapshotFileLengthWithCatCommand

Error Message:
org/apache/hadoop/fs/ContentSummary$Builder
 at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
 at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
 at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
 at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
 at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)


Stack Trace:
org.apache.hadoop.ipc.RemoteException: org/apache/hadoop/fs/ContentSummary$Builder
	at org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:447)
	at org.apache.hadoop.hdfs.server.namenode.INode.computeContentSummary(INode.java:436)
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.convertLastBlockToUnderConstruction(BlockManager.java:748)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.prepareFileForAppend(FSNamesystem.java:2717)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInternal(FSNamesystem.java:2680)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFileInt(FSNamesystem.java:2962)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2933)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:657)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:418)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:636)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2140)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2136)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1669)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2134)

	at org.apache.hadoop.ipc.Client.call(Client.java:1492)
	at org.apache.hadoop.ipc.Client.call(Client.java:1423)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy20.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:328)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
	at com.sun.proxy.$Proxy21.append(Unknown Source)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1828)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1891)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1861)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:341)
	at org.apache.hadoop.hdfs.DistributedFileSystem$4.doCall(DistributedFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:349)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:319)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:1164)
	at org.apache.hadoop.hdfs.DFSTestUtil.appendFile(DFSTestUtil.java:774)
	at org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength.testSnapshotFileLengthWithCatCommand(TestSnapshotFileLength.java:183)



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