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https://issues.apache.org/jira/browse/HDDS-1372?focusedWorklogId=222278&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-222278
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ASF GitHub Bot logged work on HDDS-1372:
----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Apr/19 12:06
Start Date: 03/Apr/19 12:06
Worklog Time Spent: 10m
Work Description: nandakumar131 commented on pull request #682:
HDDS-1372. getContainerWithPipeline for a standalone pipeline fails with
ConcurrentModificationException.
URL: https://github.com/apache/hadoop/pull/682
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Issue Time Tracking
-------------------
Worklog Id: (was: 222278)
Time Spent: 10m
Remaining Estimate: 0h
> 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
> Assignee: Nanda kumar
> Priority: Major
> Labels: MiniOzoneChaosCluster, pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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