[MAPREDUCE-1322] TestStreamingAsDifferentUser fails on trunk

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.22.0
• Fix Version/s: 0.21.0
• Component/s: contrib/streaming, test
• Hadoop Flags: Reviewed
• Assignee: Devaraj Das
• Reporter: Amareshwari Sriramadasu
• Created: 22/Dec/09 05:48
• Updated: 24/Aug/10 21:19
• Resolved: 29/Jan/10 13:36

Description

TestStreamingAsDifferentUser fails on trunk with following exception :

Can not create a Path from a null string
java.lang.IllegalArgumentException: Can not create a Path from a null string
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:78)
at org.apache.hadoop.fs.Path.<init>(Path.java:90)
at org.apache.hadoop.mapred.ClusterWithLinuxTaskController.createHomeAndStagingDirectory(ClusterWithLinuxTaskController.java:158)
at org.apache.hadoop.mapred.ClusterWithLinuxTaskController.startCluster(ClusterWithLinuxTaskController.java:147)
at org.apache.hadoop.streaming.TestStreamingAsDifferentUser.testStreaming(TestStreamingAsDifferentUser.java:49)

The corresponding line for the exception :

    Path stagingArea = new Path(conf.get(JTConfig.JT_STAGING_AREA_ROOT));

Issue Links

• blocks: MAPREDUCE-1415 With streaming jobs and LinuxTaskController, the localized streaming binary has 571 permissions instead of 570
• blocks: MAPREDUCE-890 After HADOOP-4491, the user who started mapred system is not able to run job.
• duplicates: MAPREDUCE-1390 Default value of "/tmp/hadoop/mapred/system" for JTConfig.JT_SYSTEM_DIR prevents multiple users from running tests and starting mapred cluster/JobTracker
• is related to: MAPREDUCE-181 Secure job submission