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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3003) FileSystem cache key should be updated after a FileSystem object is created
Date Wed, 19 Mar 2008 13:30:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12580363#action_12580363
] 

Hadoop QA commented on HADOOP-3003:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12378180/3003_20080318.patch
against trunk revision 619744.

    @author +1.  The patch does not contain any @author tags.

    tests included +1.  The patch appears to include 6 new or modified tests.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new javac compiler warnings.

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1995/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1995/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1995/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1995/console

This message is automatically generated.

> FileSystem cache key should be updated after a FileSystem object is created
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-3003
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3003
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.16.2, 0.17.0
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.16.2, 0.17.0
>
>         Attachments: 3003_20080311.patch, 3003_20080313.patch, 3003_20080318.patch
>
>
> In FileSystem.get(uri, conf), it first creates a cache key from the uri and the conf
and then lookups the corresponding FileSystem object in the cache.  If the object is not found,
it initializes a FileSystem object and put it to the cache with the key.  However, during
FileSystem creation, the conf might be modified.  In such case, the key should be updated
before putting it to the cache.

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