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https://issues.apache.org/jira/browse/HDDS-1625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan updated HDDS-1625:
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Status: Patch Available (was: Open)
> ConcurrentModificationException when SCM has containers of different owners
> ---------------------------------------------------------------------------
>
> Key: HDDS-1625
> URL: https://issues.apache.org/jira/browse/HDDS-1625
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Critical
> Labels: pull-request-available
> Fix For: 0.5.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> {{SCMBlockProtocolServer#allocateBlock}} throws
> {{ConcurrentModificationException}} when SCM has containers of different
> owners.
> {code}
> 2019-05-31 13:53:16,808 WARN
> org.apache.hadoop.hdds.scm.container.SCMContainerManager: Container
> allocation failed for pipeline=Pipeline[ Id:
> 3e0eec4d-67d1-4582-a9e9-e68b0a340de6, Nodes:
> abaea3d2-a8c1-47de-8cdb-7cc5ed8f23a6{ip: 10.17.219.50, host: v
> c1340.halxg.cloudera.com, certSerialId: null}, Type:RATIS, Factor:ONE,
> State:OPEN] requiredSize=268435456 {}
> java.util.ConcurrentModificationException
> at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1211)
> at java.util.TreeMap$KeyIterator.next(TreeMap.java:1265)
> at
> org.apache.hadoop.hdds.scm.container.SCMContainerManager.getContainersForOwner(SCMContainerManager.java:473)
> at
> org.apache.hadoop.hdds.scm.container.SCMContainerManager.getMatchingContainer(SCMContainerManager.java:394)
> at
> org.apache.hadoop.hdds.scm.block.BlockManagerImpl.allocateBlock(BlockManagerImpl.java:203)
> at
> org.apache.hadoop.hdds.scm.server.SCMBlockProtocolServer.allocateBlock(SCMBlockProtocolServer.java:172)
> {code}
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