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https://issues.apache.org/jira/browse/HADOOP-6670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12887555#action_12887555
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Hadoop QA commented on HADOOP-6670:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12449172/c6670-02.patch
against trunk revision 963490.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 6 new or modified tests.
-1 javadoc. The javadoc tool appears to have generated 1 warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/609/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/609/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/609/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/609/console
This message is automatically generated.
> UserGroupInformation doesn't support use in hash tables
> -------------------------------------------------------
>
> Key: HADOOP-6670
> URL: https://issues.apache.org/jira/browse/HADOOP-6670
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Attachments: 6670-gridmix-test.bugfix.patch, c6670-02.patch,
> fs-close.patch, fs-close.patch, fs-close.patch
>
>
> The UserGroupInformation objects are mutable, but they are used as keys in
> hash tables. This leads to serious problems in the FileSystem cache and RPC
> connection cache. We need to change the hashCode to be the identity hash code
> of the Subject and change equals to use == between the Subjects.
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