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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. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.