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https://issues.apache.org/jira/browse/HDFS-7886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350040#comment-14350040
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Konstantin Shvachko commented on HDFS-7886:
-------------------------------------------
I don't think this fixed it. Jenkins build failed and I see the same on some
local runs. It starts with the assertion:
{code}
2015-03-06 02:01:49,248 WARN datanode.DataNode (BPServiceActor.java:run(864))
- Unexpected exception in block pool Block pool
BP-204559054-67.195.81.144-1425607203396 (Datanode Uuid
4fed10a8-2abc-47e3-abf4-aa9566f2df11) service to localhost/127.0.0.1:8020
java.lang.AssertionError: Must be under-construction replica.
at
org.apache.hadoop.hdfs.protocol.BlockListAsLongs.setBlock(BlockListAsLongs.java:318)
at
org.apache.hadoop.hdfs.protocol.BlockListAsLongs.<init>(BlockListAsLongs.java:112)
at
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.getBlockReports(FsDatasetImpl.java:1599)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.blockReport(BPServiceActor.java:458)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:722)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:856)
at java.lang.Thread.run(Thread.java:745)
2015-03-06 02:01:49,249 WARN datanode.DataNode (BPServiceActor.java:run(867))
- Ending block pool service for: Block pool
BP-204559054-67.195.81.144-1425607203396 (Datanode Uuid
4fed10a8-2abc-47e3-abf4-aa9566f2df11) service to localhost/127.0.0.1:8020
2015-03-06 02:01:49,249 INFO datanode.DataNode
(BlockPoolManager.java:remove(103)) - Removed Block pool
BP-204559054-67.195.81.144-1425607203396 (Datanode Uuid
4fed10a8-2abc-47e3-abf4-aa9566f2df11)
2015-03-06 02:01:49,249 INFO impl.FsDatasetImpl
(FsDatasetImpl.java:shutdownBlockPool(2485)) - Removing block pool
BP-204559054-67.195.81.144-1425607203396
{code}
Then the block pool is removed and the test times out since the replica is
never reported as it is in the removed pool.
> TestFileTruncate#testTruncateWithDataNodesRestart runs timeout sometimes
> ------------------------------------------------------------------------
>
> Key: HDFS-7886
> URL: https://issues.apache.org/jira/browse/HDFS-7886
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 2.7.0
> Reporter: Yi Liu
> Assignee: Plamen Jeliazkov
> Priority: Minor
> Attachments: HDFS-7886.patch
>
>
> https://builds.apache.org/job/PreCommit-HDFS-Build/9730//testReport/
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