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Hudson commented on HADOOP-6670: -------------------------------- Integrated in Hadoop-Common-trunk #395 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Common-trunk/395/]) HADOOP-6670. Use the UserGroupInformation's Subject as the criteria for equals and hashCode. Contributed by Owen O'Malley and Kan Zhang. > 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 > Fix For: 0.22.0 > > Attachments: 6670-gridmix-test.bugfix.patch, c6670-02.patch, > c6670-03.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.