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From "Adam Fuchs (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3708) datanode blacklist error should be reclassified as a warning
Date Thu, 02 Apr 2015 14:59:52 GMT
Adam Fuchs created ACCUMULO-3708:
------------------------------------

             Summary: datanode blacklist error should be reclassified as a warning
                 Key: ACCUMULO-3708
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3708
             Project: Accumulo
          Issue Type: Bug
    Affects Versions: 1.6.2
            Reporter: Adam Fuchs
            Priority: Minor


Saw the following exceptions when running a continuous ingest test. The first one is logged
as a warning:
{code}
MinC failed (File /accumulo/tables/1/t-00013pl/F0006irt.rf_tmp could only be replicated to
0 nodes instead of minReplication (=1).  There are 1 datanode(s) running and 1 node(s) are
excluded in this operation.
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:1549)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3203)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:641)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:482)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033)
) to create hdfs://ip-10-10-1-252.ec2.internal:8020/accumulo/tables/1/t-00013pl/F0006irt.rf_tmp
retrying ...
{code}

The second is logged as an error:
{code}
org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /accumulo/tables/1/t-00013pl/F0006irt.rf_tmp
could only be replicated to 0 nodes instead of minReplication (=1).  There are 1 datanode(s)
running and 1 node(s) are excluded in this operation.
	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:1549)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3203)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:641)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:482)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033)

	org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /accumulo/tables/1/t-00013pl/F0006irt.rf_tmp
could only be replicated to 0 nodes instead of minReplication (=1).  There are 1 datanode(s)
running and 1 node(s) are excluded in this operation.
		at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:1549)
		at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3203)
		at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:641)
		at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:482)
		at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
		at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
		at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962)
		at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039)
		at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035)
		at java.security.AccessController.doPrivileged(Native Method)
		at javax.security.auth.Subject.doAs(Subject.java:415)
		at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
		at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033)	
		at org.apache.hadoop.ipc.Client.call(Client.java:1468)
		at org.apache.hadoop.ipc.Client.call(Client.java:1399)
		at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
		at com.sun.proxy.$Proxy20.addBlock(Unknown Source)
		at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:399)
		at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)
		at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
		at java.lang.reflect.Method.invoke(Method.java:606)
		at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
		at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
		at com.sun.proxy.$Proxy21.addBlock(Unknown Source)
		at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1533)
		at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1350)
		at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:589)
{code}

The tserver recovered from these just fine, so I think the second log message should be a
warn instead of an error.



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