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https://issues.apache.org/jira/browse/HDFS-16138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiaoqiao He resolved HDFS-16138.
--------------------------------
Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
Thanks [~prasad-acit] for your works. Committed to trunk.
> BlockReportProcessingThread exit doesn't print the actual stack
> ---------------------------------------------------------------
>
> Key: HDFS-16138
> URL: https://issues.apache.org/jira/browse/HDFS-16138
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Renukaprasad C
> Assignee: Renukaprasad C
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> BlockReportProcessingThread thread may gets exited with multiple reasons, but
> the current logging prints only the exception message with different stack
> which is difficult to debug the issue.
>
> Existing logging:
> 2021-07-20 10:20:23,104 [Block report processor] INFO util.ExitUtil
> (ExitUtil.java:terminate(210)) - Exiting with status 1: Block report
> processor encountered fatal exception: java.lang.AssertionError
> 2021-07-20 10:20:23,104 [Block report processor] ERROR util.ExitUtil
> (ExitUtil.java:terminate(213)) - Terminate called
> 1: Block report processor encountered fatal exception:
> java.lang.AssertionError
> at
> org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:304)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$BlockReportProcessingThread.run(BlockManager.java:5315)
> Exception in thread "Block report processor" 1: Block report processor
> encountered fatal exception: java.lang.AssertionError
> at
> org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:304)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$BlockReportProcessingThread.run(BlockManager.java:5315)
>
> Actual issue found at:
> 2021-07-20 10:20:23,101 [Block report processor] ERROR
> blockmanagement.BlockManager (BlockManager.java:run(5314)) -
> java.lang.AssertionError
> java.lang.AssertionError
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.addStoredBlock(BlockManager.java:3480)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processAndHandleReportedBlock(BlockManager.java:4280)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.addBlock(BlockManager.java:4202)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processIncrementalBlockReport(BlockManager.java:4338)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processIncrementalBlockReport(BlockManager.java:4305)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.processIncrementalBlockReport(FSNamesystem.java:4853)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer$2.run(NameNodeRpcServer.java:1657)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$BlockReportProcessingThread.processQueue(BlockManager.java:5334)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$BlockReportProcessingThread.run(BlockManager.java:5312)
>
> This issue found while working on FGL branch. But, same issue can happen in
> Trunk also in any error scenario.
>
> [~hemanthboyina] [~hexiaoqiao]
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