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  1. Hadoop Distributed Data Store
  2. HDDS-1372

getContainerWithPipeline for a standalone pipeline fails with ConcurrentModificationException

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    • Target Version/s:
    • Sprint:
      HDDS Biscayne

      Description

      The excception is hit while fetching a pipeline during read.

      2019-04-03 00:52:50,125 WARN  ipc.Server (Server.java:logException(2724)) - IPC Server handler 16 on 59758, call Call#2270 Retry#0 org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocol.getC
      ontainerWithPipeline from 192.168.0.108:60011
      java.util.ConcurrentModificationException
              at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1558)
              at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
              at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
              at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
              at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
              at org.apache.hadoop.hdds.scm.server.SCMClientProtocolServer.getContainerWithPipeline(SCMClientProtocolServer.java:252)
              at org.apache.hadoop.ozone.protocolPB.StorageContainerLocationProtocolServerSideTranslatorPB.getContainerWithPipeline(StorageContainerLocationProtocolServerSideTranslatorPB.java:144)
              at org.apache.hadoop.hdds.protocol.proto.StorageContainerLocationProtocolProtos$StorageContainerLocationProtocolService$2.callBlockingMethod(StorageContainerLocationProtocolProtos.java:16390)
              at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524)
              at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1025)
              at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:876)
              at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:822)
              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:1730)
              at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2682)
      

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              • Assignee:
                nanda Nanda kumar
                Reporter:
                msingh Mukul Kumar Singh
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                  Updated:
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