[
https://issues.apache.org/jira/browse/HADOOP-3998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680340#action_12680340
]
dhruba borthakur commented on HADOOP-3998:
------------------------------------------
@Hairong: would you like to review this again?
> Got an exception from ClientFinalizer when the JT is terminated
> ---------------------------------------------------------------
>
> Key: HADOOP-3998
> URL: https://issues.apache.org/jira/browse/HADOOP-3998
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.19.0
> Reporter: Amar Kamat
> Assignee: dhruba borthakur
> Priority: Blocker
> Fix For: 0.18.4, 0.19.2, 0.20.0
>
> Attachments: closeAll.patch, closeAll.patch, closeAll.patch,
> closeAll2.patch, closeAll3.patch
>
>
> This happens when we terminate the JT using _control-C_. It throws the
> following exception
> {noformat}
> Exception closing file my-file
> java.io.IOException: Filesystem closed
> at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:193)
> at org.apache.hadoop.hdfs.DFSClient.access$700(DFSClient.java:64)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal(DFSClient.java:2868)
> at
> org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.close(DFSClient.java:2837)
> at
> org.apache.hadoop.hdfs.DFSClient$LeaseChecker.close(DFSClient.java:808)
> at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:205)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:253)
> at
> org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:1367)
> at org.apache.hadoop.fs.FileSystem.closeAll(FileSystem.java:234)
> at
> org.apache.hadoop.fs.FileSystem$ClientFinalizer.run(FileSystem.java:219)
> {noformat}
> Note that _my-file_ is some file used by the JT.
> Also if there is some file renaming done, then the exception states that the
> earlier file does not exist. I am not sure if this is a MR issue or a DFS
> issue. Opening this issue for investigation.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
