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  1. Hadoop HDFS
  2. HDFS-12943 Consistent Reads from Standby Node
  3. HDFS-14443

Throwing RemoteException in the time of Read Operation

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Not A Problem
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
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      Description

      2019-04-19 20:54:59,178 DEBUG org.apache.hadoop.io.retry.RetryInvocationHandler: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category WRITE is not supported in state observer. Visit https://s.apache.org/sbnn-error
      at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
      at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:1990)
      at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1443)
      at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.msync(NameNodeRpcServer.java:1372)
      at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.msync(ClientNamenodeProtocolServerSideTranslatorPB.java:1929)
      at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
      at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:531)
      at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1036)
      at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:927)
      at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:862)
      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:1729)
      at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2791)
      , while invoking $Proxy5.getFileInfo over [host-*-*-*-*/*.*.*.*:6*5,host-*-*-*-*/*.*.*.*:**,host-*-*-*-*/*.*.*.*:6**5]. Trying to failover immediately.
      org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category WRITE is not supported in state observer. Visit https://s.apache.org/sbnn-error
      at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)

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            • Assignee:
              Unassigned
              Reporter:
              RANith Ranith Sardar
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              • Created:
                Updated:
                Resolved: