HADOOP-6913. Circular initialization between UserGroupInformation and KerberosName

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HADOOP-6907. Rpc client doesn't use the per-connection conf to figure out server's Kerberos principal. Contributed by Kan Zhang.


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HADOOP-6934. Test for ByteWritable comparator. Contributed by Johannes Zillmann.


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HADOOP-6938. ConnectionId.getRemotePrincipal() should check if security is enabled. Contributed by Kan Zhang.


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HADOOP-6930. AvroRpcEngine doesn't work with generated Avro code. Contributed by Sharad Agarwal.

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HADOOP-6940. RawLocalFileSystem's markSupported method misnamed markSupport. Contributed by Tom White.


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HADOOP-6950. Suggest that HADOOP_CLASSPATH should be preserved in hadoop-env.sh.template. Contributed by Philip Zeyliger.


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HADOOP-6922. COMMON part of MAPREDUCE-1664. Makes AccessControlList a writable and updates documentation for Job ACLs. Contributed by Ravi Gummadi.


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HADOOP-6951. Distinct minicluster services (e.g. NN and JT) overwrite each other's service policies. Contributed by Aaron T. Myers

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Reverting commit 1001067 while related HDFS and MR JIRAs are tested (HADOOP-6951).

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HADOOP-6965. Introduces checks for whether the original tgt is valid in the reloginFromKeytab method. Contributed by Jitendra Pandey.

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HADOOP-6951.  Distinct minicluster services (e.g. NN and JT) overwrite each other's service policies.  Contributed by Aaron T. Myers.

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HADOOP-6856. Simplify constructors for SequenceFile, and MapFile. (omalley)


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HADOOP-6856. Simplify constructors for SequenceFile, and MapFile. (omalley)
-- Missed some files


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HADOOP-6971. Clover build doesn't generate per-test coverage. Contributed by Konstantin Boudnik


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HADOOP-6879. Provide SSH based (Jsch) remote execution API for system tests.  Contributed by Konstantin Boudnik.


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HADOOP-6989. Correct the parameter for SetFile to set the value type
for SetFile to be NullWritable instead of the key. (jghoman via omalley)


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Fixing attribution for HADOOP-6989 in CHANGES.txt


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HADOOP-6969. CHANGES.txt does not reflect the release of version 0.21.0

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HADOOP-6984. Combine the compress kind and the codec in the same option
for SequenceFiles. (cdouglas via omalley)


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