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Posted to issues@ozone.apache.org by "Sammi Chen (Jira)" <ji...@apache.org> on 2020/07/03 07:06:00 UTC
[jira] [Created] (HDDS-3918) ConcurrentModificationException in
ContainerReportHandler.onMessage
Sammi Chen created HDDS-3918:
--------------------------------
Summary: ConcurrentModificationException in ContainerReportHandler.onMessage
Key: HDDS-3918
URL: https://issues.apache.org/jira/browse/HDDS-3918
Project: Hadoop Distributed Data Store
Issue Type: Bug
Reporter: Sammi Chen
2020-07-03 14:51:45,489 [EventQueue-ContainerReportForContainerReportHandler] ERROR org.apache.hadoop.hdds.server.events.SingleThreadExecutor: Error on execution message org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher$ContainerReportFromDatanode@8f6e7cb
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445)
at java.util.HashMap$KeyIterator.next(HashMap.java:1469)
at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1044)
at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
at java.util.HashSet.<init>(HashSet.java:120)
at org.apache.hadoop.hdds.scm.container.ContainerReportHandler.onMessage(ContainerReportHandler.java:127)
at org.apache.hadoop.hdds.scm.container.ContainerReportHandler.onMessage(ContainerReportHandler.java:50)
at org.apache.hadoop.hdds.server.events.SingleThreadExecutor.lambda$onMessage$1(SingleThreadExecutor.java:81)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
2020-07-03 14:51:45,648 [EventQueue-ContainerReportForContainerReportHandler] ERROR org.apache.hadoop.hdds.server.events.SingleThreadExecutor: Error on execution message org.apache.hadoop.hdds.scm.server.SCMDatanodeHeartbeatDispatcher$ContainerReportFromDatanode@49d2b84b
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445)
at java.util.HashMap$KeyIterator.next(HashMap.java:1469)
at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1044)
at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
at java.util.HashSet.<init>(HashSet.java:120)
at org.apache.hadoop.hdds.scm.container.ContainerReportHandler.onMessage(ContainerReportHandler.java:127)
at org.apache.hadoop.hdds.scm.container.ContainerReportHandler.onMessage(ContainerReportHandler.java:50)
at org.apache.hadoop.hdds.server.events.SingleThreadExecutor.lambda$onMessage$1(SingleThreadExecutor.java:81)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
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