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https://issues.apache.org/jira/browse/HADOOP-5737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravi Gummadi updated HADOOP-5737:
---------------------------------
Release Note: Uses JobTracker's credentials for accessing mapred.system.dir
instead of using job's credentials.
> UGI checks in testcases are broken
> ----------------------------------
>
> Key: HADOOP-5737
> URL: https://issues.apache.org/jira/browse/HADOOP-5737
> Project: Hadoop Common
> Issue Type: Bug
> Components: security, test
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Fix For: 0.21.0
>
> Attachments: HADOOP-5737-v1.3.patch, HADOOP-5737-v1.5.patch,
> HADOOP-5737-v1.7.patch, HADOOP-5737-y20.patch
>
>
> While running {{TestMiniMRWithDFSWithDistinctUsers}}, I used this patch to
> test the ugi checks
> {code}
> Index: src/hdfs/org/apache/hadoop/hdfs/server/namenode/PermissionChecker.java
> ===================================================================
> --- src/hdfs/org/apache/hadoop/hdfs/server/namenode/PermissionChecker.java
> (revision 768189)
> +++ src/hdfs/org/apache/hadoop/hdfs/server/namenode/PermissionChecker.java
> (working copy)
> @@ -40,6 +40,7 @@
> if (LOG.isDebugEnabled()) {
> LOG.debug("ugi=" + ugi);
> }
> + LOG.info("ugi=" + ugi);
>
> if (ugi != null) {
> user = ugi.getUserName();
> {code}
> While initializing a job, the ugi information should point to jobtracker as
> jobtracker does a dfs read. But today we will see that the log shows _pi_ as
> the caller instead of the jobtracker.
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