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HDFS, mail # dev - Exception with QJM HDFS HA


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Exception with QJM HDFS HA
Azuryy Yu 2013-04-01, 01:43
Hi All,

I configured HDFS Ha using source code from trunk r1463074.

I got an exception as follows when I put a file to the HDFS.

13/04/01 09:33:45 WARN retry.RetryInvocationHandler: Exception while
invoking addBlock of class ClientNamenodeProtocolTranslatorPB. Trying to
fail over immediately.
13/04/01 09:33:45 WARN hdfs.DFSClient: DataStreamer Exception
java.io.FileNotFoundException: ID mismatch. Request id and saved id: 1073 ,
1050
    at
org.apache.hadoop.hdfs.server.namenode.INodeId.checkId(INodeId.java:51)
    at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:2501)
    at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.analyzeFileState(FSNamesystem.java:2298)
    at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2212)
    at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:498)
    at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:356)
    at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:40979)
    at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:526)
    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1018)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1818)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1814)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1489)
    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1812)
please reproduce as :

hdfs dfs -put test.data  /user/data/test.data
after this command start to run, then kill active name node process.
I have only three nodes(A,B,C) for test
A and B are name nodes.
B and C are data nodes.
ZK deployed on A, B and C.

A, B and C are all journal nodes.

Thanks.