Hi ,
I am moving the logs files into HDFS using spooling directory . everything
working fine but suddenly flume has been stopped . i has attached the exception
details below i don't i these exception occurred. Can any tell what should be
cause for this exception ?
17 Feb 2015 11:08:15,890 ERROR [SinkRunner-PollingRunner-DefaultSinkProcessor]
(org.apache.flume.sink.hdfs.AbstractHDFSWriter.isUnderReplicated:95) -
Unexpected error while checking replication
factorjava.lang.reflect.InvocationTargetException at
sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source) at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601) at
org.apache.flume.sink.hdfs.AbstractHDFSWriter.getNumCurrentReplicas(AbstractHDFSWriter.java:161)
at
org.apache.flume.sink.hdfs.AbstractHDFSWriter.isUnderReplicated(AbstractHDFSWriter.java:81)
at
org.apache.flume.sink.hdfs.BucketWriter.shouldRotate(BucketWriter.java:623) at
org.apache.flume.sink.hdfs.BucketWriter.append(BucketWriter.java:558) at
org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:426) at
org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68)
at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) at
java.lang.Thread.run(Thread.java:722)Caused by:
org.apache.hadoop.ipc.RemoteException(java.io.IOException): File
/Feb16/F/IISLogs/W3SVC23/u_ex140226.1424151400828.log.tmp could only be
replicated to 0 nodes instead of minReplication (=1). There are 1 datanode(s)
running and 1 node(s) are excluded in this operation. at
org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1406)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2596)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:563)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:407)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928) at
org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1962) at
org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1958) at
java.security.AccessController.doPrivileged(Native Method) at
javax.security.auth.Subject.doAs(Subject.java:415) at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1958)
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 $Proxy18.addBlock(Unknown Source) at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:399)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601) at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
at $Proxy19.addBlock(Unknown Source) at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1532)
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1349)
at
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:588)
Thanks,
