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https://issues.apache.org/jira/browse/HDDS-3999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal resolved HDDS-3999.
---------------------------------
Fix Version/s: 0.6.0
Target Version/s: (was: 0.6.0)
Resolution: Fixed
> OM NPE and shutdown while S3MultipartUploadCommitPartResponse#checkAndUpdateDB
> ------------------------------------------------------------------------------
>
> Key: HDDS-3999
> URL: https://issues.apache.org/jira/browse/HDDS-3999
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Manager
> Affects Versions: 0.6.0
> Reporter: maobaolong
> Assignee: maobaolong
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 0.6.0
>
> Attachments: OM-NPE-Full.log, screenshot-1.png, test-repro.patch
>
>
> The related bad code.
> !screenshot-1.png!
> The following is the part log of OM. If you want to see the full log, you can
> download the attachment.
> 2020-07-20 16:28:56,395 ERROR ratis.OzoneManagerDoubleBuffer
> (ExitUtils.java:terminate(133)) - Terminating with exit status 2:
> OMDoubleBuffer flush threadOMDoubleBufferFlushThreadencountered Throwable
> error
> java.lang.NullPointerException
> at
> org.apache.hadoop.ozone.om.response.s3.multipart.S3MultipartUploadCommitPartResponse.checkAndUpdateDB(S3MultipartUploadCommitPartResponse.java:99)
> at
> org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.lambda$null$0(OzoneManagerDoubleBuffer.java:256)
> at
> org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.addToBatchWithTrace(OzoneManagerDoubleBuffer.java:201)
> at
> org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.lambda$flushTransactions$1(OzoneManagerDoubleBuffer.java:254)
> at java.util.Iterator.forEachRemaining(Iterator.java:116)
> at
> org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.flushTransactions(OzoneManagerDoubleBuffer.java:250)
> at java.lang.Thread.run(Thread.java:748)
> 2020-07-20 16:28:56,426 INFO om.OzoneManagerStarter
> (StringUtils.java:lambda$startupShutdownMessage$0(124)) - SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down OzoneManager at BAOLOONGMAO-MB0/10.78.32.49
> ************************************************************/
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