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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2019/05/31 22:33:43 UTC
[GitHub] [hadoop] avijayanhwx opened a new pull request #883: HDDS-1625 : ConcurrentModificationException when SCM has containers o…
avijayanhwx opened a new pull request #883: HDDS-1625 : ConcurrentModificationException when SCM has containers o…
URL: https://github.com/apache/hadoop/pull/883
…f different owners.
SCMBlockProtocolServer#allocateBlock throws ConcurrentModificationException when SCM has containers of different owners.
`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)`
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