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https://issues.apache.org/jira/browse/HADOOP-3348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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lohit vijayarenu updated HADOOP-3348:
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Attachment: HADOOP-3348.patch
Attached patch fixes the testcase to set UrlStreamHandlerFactory after brining
up the cluster. If we decide to track issue about fixing handling local files
with LocalFileSystem, then this patchs the failing testcase.
> 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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