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[MAPREDUCE-4255] Job History Server throws NPE if it fails to get keytab - MapReduce - [issue]
...2012-05-14 17:59:41,906 FATAL org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer: Error starting JobHistoryServerorg.apache.hadoop.yarn.YarnException: History Server Failed to login at org.a...
http://issues.apache.org/jira/browse/MAPREDUCE-4255    Author: Devaraj K, 2012-06-08, 12:00
[MAPREDUCE-4047] NullPointerException during the map task merge phase - MapReduce - [issue]
...While executing the tera sort with 1TB data, got the below exception2012-03-20 21:02:18,526 FATAL [IPC Server handler 14 on 31776] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Task: att...
http://issues.apache.org/jira/browse/MAPREDUCE-4047    Author: Devaraj K, 2012-05-30, 11:06
[MAPREDUCE-4262] NM gives wrong log message saying "Connected to ResourceManager" before trying to connect - MapReduce - [issue]
...2012-05-16 18:04:25,844 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Connected to ResourceManager at /xx.xx.xx.xx:80252012-05-16 18:04:26,870 INFO org.apache.hadoop....
http://issues.apache.org/jira/browse/MAPREDUCE-4262    Author: Devaraj K, 2012-05-23, 19:54
[MAPREDUCE-2637] Providing options to debug the mapreduce user code (Mapper, Reducer, Combiner, Sort implementations) - MapReduce - [issue]
...Presently Hadoop provides "mapred.child.java.opts" configuration which can be used to set JVM options for Child JVM running Map or Reduce Task. If we need to remote debug the Child JVM, we c...
http://issues.apache.org/jira/browse/MAPREDUCE-2637    Author: Devaraj K, 2012-05-18, 20:19
[MAPREDUCE-4048] NullPointerException exception while accessing the Application Master UI - MapReduce - [issue]
...2012-03-21 10:21:31,838 ERROR [2145015588@qtp-957250718-801] org.apache.hadoop.yarn.webapp.Dispatcher: error handling URI: /mapreduce/attempts/job_1332261815858_2_8/m/KILLEDjava.lang.reflect...
http://issues.apache.org/jira/browse/MAPREDUCE-4048    Author: Devaraj K, 2012-05-05, 14:04
[MAPREDUCE-4189] TestContainerManagerSecurity is failing - MapReduce - [issue]
...------------------------------------------------------- T E S T S-------------------------------------------------------Running org.apache.hadoop.yarn.server.TestDiskFailuresTests run: ...
http://issues.apache.org/jira/browse/MAPREDUCE-4189    Author: Devaraj K, 2012-04-27, 14:03
[MAPREDUCE-4074] Client continuously retries to RM When RM goes down before launching Application Master - MapReduce - [issue]
...Client continuously tries to RM and logs the below messages when the RM goes down before launching App Master. I feel exception should be thrown or break the loop after finite no of retries....
http://issues.apache.org/jira/browse/MAPREDUCE-4074    Author: Devaraj K, 2012-04-26, 18:14
[MAPREDUCE-2512] wait(5000) and notify() mechanism can be implemented instead of sleep(5000) in reduce task when there are no copies in progress and no new copies to schedule - MapReduce - [issue]
...ReduceTask.javatry {             if (numInFlight == 0 && numScheduled == 0) {               // we should in...
http://issues.apache.org/jira/browse/MAPREDUCE-2512    Author: Devaraj K, 2012-04-19, 05:07
[MAPREDUCE-4008] ResourceManager throws MetricsException on start up saying QueueMetrics MBean already exists - MapReduce - [issue]
...2012-03-14 15:22:23,089 WARN org.apache.hadoop.metrics2.util.MBeans: Error creating MBean object name: Hadoop:service=ResourceManager,name=QueueMetrics,q0=defaultorg.apache.hadoop.metrics2.M...
http://issues.apache.org/jira/browse/MAPREDUCE-4008    Author: Devaraj K, 2012-04-17, 14:03
[MAPREDUCE-4076] Stream job fails with ZipException when use yarn jar command - MapReduce - [issue]
...Stream job fails with ZipException when use yarn jar command and executes successfully with hadoop jar command.linux-f330:/home/devaraj/hadoop/trunk/hadoop-0.24.0-SNAPSHOT/bin # ./yarn jar ....
http://issues.apache.org/jira/browse/MAPREDUCE-4076    Author: Devaraj K, 2012-04-11, 14:09
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