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From "Christophe Taton (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3348) TestUrlStreamHandler hangs on LINUX
Date Fri, 09 May 2008 10:20:55 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christophe Taton updated HADOOP-3348:
-------------------------------------

    Remaining Estimate: 0h
     Original Estimate: 0h

+1 for me, the workaround looks good to me

> TestUrlStreamHandler hangs on LINUX
> -----------------------------------
>
>                 Key: HADOOP-3348
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3348
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.18.0
>         Environment: LINUX 2.6.9
>            Reporter: lohit vijayarenu
>         Attachments: 3348-2nd-option.patch, Datanode_jstack.txt, HADOOP-3348.patch
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> TestUrlStreamHandler sets setURLStreamHandlerFactory as
> {noformat}
> FsUrlStreamHandlerFactory factory =
>         new org.apache.hadoop.fs.FsUrlStreamHandlerFactory();
>     java.net.URL.setURLStreamHandlerFactory(factory);
> {noformat}
> After this, MiniDFSCluster seems to hang while Datanodes tries to register in setNewStorageID,
specifically at
> {noformat}
> rand = SecureRandom.getInstance("SHA1PRNG").nextInt(Integer.MAX_VALUE);
> {noformat}
> jstack output shows that the main thread is stuck in RawLocalFileSystem$LocalFSFileInputStream.read
> (Attaching the jstack)

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