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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9524) libhdfs++ deadlocks in Filesystem::New if NN conneciton fails
Date Thu, 22 Mar 2018 21:57:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16410394#comment-16410394
] 

Hudson commented on HDFS-9524:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13869 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/13869/])
HDFS-9524.  libhdfs++ deadlocks in Filesystem::New if NN connection (james.clampffer: rev
31d28e3105d1bc4d2e6463903642bf9f23d13593)
* (edit) hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/fs/filesystem.cc
* (edit) hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/bindings/c/hdfs.cc
* (edit) hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/lib/fs/filesystem.h
* (edit) hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfs-tests/test_libhdfs_threaded.c
* (edit) hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfspp/include/libhdfspp/hdfs.h


> 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
>            Priority: Major
>         Attachments: HDFS-9524.HDFS-8707.000.patch, HDFS-9524.HDFS-8707.001.patch, HDFS-9524.HDFS-8707.002.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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