MR task fails before launch itself with an NPE in ContainerLauncher
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Key: MAPREDUCE-2997
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2997
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: applicationmaster, mrv2
Affects Versions: 0.23.0
Reporter: Vinod Kumar Vavilapalli
Fix For: 0.23.0
Exception found on the AM web UI while the application is running:
{code}
Container launch failed for container_1315908079531_0002_01_000387 :
java.lang.NullPointerException
at
org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl.getCMProxy(ContainerLauncherImpl.java:162)
at
org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncherImpl$EventProcessor.run(ContainerLauncherImpl.java:204)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
{code}
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