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Posted to hdfs-issues@hadoop.apache.org by "Mukul Kumar Singh (JIRA)" <ji...@apache.org> on 2019/04/02 19:41:00 UTC
[jira] [Created] (HDDS-1372) getContainerWithPipeline for a
standalone pipeline fails with ConcurrentModificationException
Mukul Kumar Singh created HDDS-1372:
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Summary: getContainerWithPipeline for a standalone pipeline fails with ConcurrentModificationException
Key: HDDS-1372
URL: https://issues.apache.org/jira/browse/HDDS-1372
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: SCM
Affects Versions: 0.5.0
Reporter: Mukul Kumar Singh
The excception is hit while fetching a pipeline during read.
{code}
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)
{code}
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