HDFS-6256. Clean up ImageVisitor and SpotCheckImageVisitor. Contributed by Akira Ajisaka.

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YARN-1940. deleteAsUser() terminates early without deleting more files on error. Contributed by Rushabh S Shah


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MAPREDUCE-4937. MR AM handles an oversized split metainfo file poorly. Contributed by Eric Payne


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YARN-1932. Javascript injection on the job status page. Contributed by Mit Desai


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MAPREDUCE-5642. TestMiniMRChildTask fails on Windows. Contributed by Chuan Liu.

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YARN-1865. ShellScriptBuilder does not check for some error conditions. Contributed by Remus Rusanu.

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HDFS-6245. Datanode fails to start with a bad disk even when failed volumes is set. (Arpit Agarwal)

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HADOOP-9919. Update hadoop-metrics2.properties examples to Yarn. Contributed by Akira AJISAKA.

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HADOOP-10522. JniBasedUnixGroupMapping mishandles errors. Contributed by Kihwal Lee.

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HADOOP-10526. Chance for Stream leakage in CompressorStream. Contributed by Rushabh Shah.

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HDFS-6265. Prepare HDFS codebase for JUnit 4.11. Contributed by Chris Nauroth.

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YARN-1970. Prepare YARN codebase for JUnit 4.11. Contributed by Chris Nauroth.

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HDFS-6178. Decommission on standby NN couldn't finish. Contributed by Ming Ma.

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MAPREDUCE-5852. Prepare MapReduce codebase for JUnit 4.11. Contributed by Chris Nauroth.

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MAPREDUCE-5827. TestSpeculativeExecutionWithMRApp fails. Contributed by Zhijie Shen.

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MAPREDUCE-5827. Move attribution from 2.5.0 to 2.4.1 in CHANGES.txt.

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MAPREDUCE-5833. TestRMContainerAllocator fails ocassionally. Contributed by Zhijie Shen.

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HADOOP-10503. Move junit up to v 4.11. Contributed by Chris Nauroth.

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MAPREDUCE-5832. Fixed TestJobClient to not fail on JDK7 or on Windows. Contributed by Jian He and Vinod Kumar Vavilapalli.


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HADOOP-10527. Fix incorrect return code and allow more retries on EINTR. Contributed by Kihwal Lee.

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