[jira] [Commented] (HADOOP-7973) DistributedFileSystem close has severe consequences

["Robert Joseph Evans (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-7973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13185671#comment-13185671 ] 

Robert Joseph Evans commented on HADOOP-7973:
---------------------------------------------

I think it is important to note that this appears to be a regression between 0.20.204 and 1.0.  With oozie on 0.20.204 there were no errors running FSShell using a java actions, but after upgrading to 1.0 it fails consistently with an exception caused by the FileSystem.close() call in FSShell.close().
                
> DistributedFileSystem close has severe consequences
> ---------------------------------------------------
>
>                 Key: HADOOP-7973
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7973
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 1.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>
> The way {{FileSystem#close}} works is very problematic.  Since the {{FileSystems}} are cached, any {{close}} by any caller will cause problems for every other reference to it.  Will add more detail in the comments.

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