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https://issues.apache.org/jira/browse/HADOOP-3348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595370#action_12595370
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Raghu Angadi commented on HADOOP-3348:
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+1. Patch looks fine to me. The larger issue could be discussed separately.
> 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
>
>
> 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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