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https://issues.apache.org/jira/browse/HADOOP-8437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13283223#comment-13283223
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Brahma Reddy Battula commented on HADOOP-8437:
----------------------------------------------
In earlier version
{code}
localDirs = dirs.toArray(new String[dirs.size()]);
dirDF = dfList.toArray(new DF[dirs.size()]);
savedLocalDirs = newLocalDirs;
if (0 == dirs.size()) {
throw new IOException("No dirs to select.Total dirs size is 0");
}
// randomize the first disk picked in the round-robin selection
dirNumLastAccessed = dirIndexRandomizer.nextInt(dirs.size());
dirNumLastAccessedforKnownSize = dirNumLastAccessed;
{code}
Here it is throwing IOException saying that No dirs to select.Total dirs size
is 0
But in brnach2 and trunk...code is like follwoing..
{code}
localDirs = dirs.toArray(new String[dirs.size()]);
dirDF = dfList.toArray(new DF[dirs.size()]);
savedLocalDirs = newLocalDirs;
// randomize the first disk picked in the round-robin selection
dirNumLastAccessed = dirIndexRandomizer.nextInt(dirs.size());
{code}
Here follwoing check is removed..
{code}
if (0 == dirs.size()) {
throw new IOException("No dirs to select.Total dirs size is 0");
}
{code}
> getLocalPathForWrite is not throwing any expection for invalid paths
> --------------------------------------------------------------------
>
> Key: HADOOP-8437
> URL: https://issues.apache.org/jira/browse/HADOOP-8437
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 2.0.1-alpha
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
>
> call dirAllocator.getLocalPathForWrite ( "/InvalidPath", conf );
> Here it will not thrown any exception but earlier version it used throw.
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