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Posted to issues@ozone.apache.org by "Attila Doroszlai (Jira)" <ji...@apache.org> on 2022/10/05 09:42:00 UTC
[jira] [Resolved] (HDDS-7285) Fix concurrent issue in DeleteBlocksCommandHandler
[ https://issues.apache.org/jira/browse/HDDS-7285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Attila Doroszlai resolved HDDS-7285.
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Fix Version/s: 1.3.0
Resolution: Fixed
> Fix concurrent issue in DeleteBlocksCommandHandler
> --------------------------------------------------
>
> Key: HDDS-7285
> URL: https://issues.apache.org/jira/browse/HDDS-7285
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Janus Chow
> Assignee: Janus Chow
> Priority: Major
> Fix For: 1.3.0
>
>
> After HDDS-7283, the mark for the delete process will be handled concurrently.
> The current implementation has a concurrent issue which will lead to the following exception.
> {code:java}
> java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException: 4
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.lambda$processCmd$0(DeleteBlocksCommandHandler.java:301)
> at java.util.ArrayList.forEach(ArrayList.java:1257)
> at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.processCmd(DeleteBlocksCommandHandler.java:299)
> at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler.access$100(DeleteBlocksCommandHandler.java:79)
> at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$DeleteCmdWorker.run(DeleteBlocksCommandHandler.java:183)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 4
> at java.util.ArrayList.add(ArrayList.java:463)
> at org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos$ContainerBlocksDeletionACKProto$Builder.addResults(StorageContainerDatanodeProtocolProtos.java:33469)
> at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.DeleteBlocksCommandHandler$ProcessTransactionTask.run(DeleteBlocksCommandHandler.java:263)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> ... 1 more {code}
> This ticket is to fix this issue.
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