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Zhijie Shen commented on MAPREDUCE-5563: ---------------------------------------- [~cindyli_2012], can you share the environment when you ran the test case. I was unable to reproduce the test failure. Read the log you've attached. It seems that the host name is not found. However, on my local machine, RMProxy always sees the IP address instead of the hostname. > TestMiniMRChildTask test cases failing on trunk > ------------------------------------------------- > > Key: MAPREDUCE-5563 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5563 > Project: Hadoop Map/Reduce > Issue Type: Bug > Affects Versions: trunk > Reporter: Cindy Li > Priority: Critical > Attachments: org.apache.hadoop.mapred.TestMiniMRChildTask-output.txt > > > Failed tests: > TestMiniMRChildTask.testTaskTempDir:367 Exception in testing temp dir > TestMiniMRChildTask.testTaskEnv:390 Exception in testing child env > TestMiniMRChildTask.testTaskOldEnv:413 Exception in testing child env -- This message was sent by Atlassian JIRA (v6.1#6144)