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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3385) ClassCastException when trying to append a file
Date Tue, 08 May 2012 12:45:53 GMT
Brahma Reddy Battula created HDFS-3385:
------------------------------------------

             Summary: ClassCastException when trying to append a file
                 Key: HDFS-3385
                 URL: https://issues.apache.org/jira/browse/HDFS-3385
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 3.0.0
         Environment: HDFS
            Reporter: Brahma Reddy Battula
            Priority: Minor
             Fix For: 3.0.0


When I try to append a file I got 

2012-05-08 18:13:40,506 WARN  util.KerberosName (KerberosName.java:<clinit>(87)) - Kerberos
krb5 configuration not found, setting default realm to empty
Exception in thread "main" java.lang.ClassCastException: org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo
cannot be cast to org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoUnderConstruction
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:1787)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSNamesystem.java:1584)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:1824)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:425)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:217)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:42592)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:427)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:916)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1692)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1688)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1232)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1686)

	at org.apache.hadoop.ipc.Client.call(Client.java:1159)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:184)
	at $Proxy9.append(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
	at $Proxy9.append(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:204)
	at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1150)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1189)
	at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1177)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:221)
	at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:1)
	at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:981)
	at org.apache.hadoop.hdfs.server.datanode.DeleteMe.main(DeleteMe.java:26)


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