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Posted to hdfs-issues@hadoop.apache.org by "Bob Hansen (JIRA)" <ji...@apache.org> on 2015/12/12 00:35:46 UTC

[jira] [Commented] (HDFS-9524) libhdfs++ deadlocks in Filesystem::New if NN conneciton fails

    [ https://issues.apache.org/jira/browse/HDFS-9524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15053791#comment-15053791 ] 

Bob Hansen commented on HDFS-9524:
----------------------------------

Note that the CI still fails (HDFS-9523), but now it prints a nice failure message in the log output.

> libhdfs++ deadlocks in Filesystem::New if NN conneciton fails
> -------------------------------------------------------------
>
>                 Key: HDFS-9524
>                 URL: https://issues.apache.org/jira/browse/HDFS-9524
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: Bob Hansen
>            Assignee: Bob Hansen
>         Attachments: HDFS-9524.HDFS-8707.000.patch
>
>
> FileSystem::New attempts to free the new FileSystem if the connection fails.  Unfortunately, it's in the middle of a callback from the filesystem's threadpool, and attempts to join the worker thread while running the worker thread.



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