Sagar Kapare created TWILL-186:
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Summary: ApplicationMaster keeps restarting with NPE in the log.
Key: TWILL-186
URL: https://issues.apache.org/jira/browse/TWILL-186
Project: Apache Twill
Issue Type: Bug
Components: core, yarn
Affects Versions: 0.7.0-incubating
Reporter: Sagar Kapare
Seems like certain combination of the container sizes launched by AM, causing
the AM to keep restarting.
Following exception is seen in the app master container log:
{noformat}
Aug 12, 2016 4:37:39 PM
com.google.common.util.concurrent.AbstractExecutionThreadService$1$1 run
WARNING: Error while attempting to shut down the service after failure.
java.lang.NullPointerException
at
org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl.decResourceRequest(AMRMClientImpl.java:687)
at
org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl.removeContainerRequest(AMRMClientImpl.java:477)
at
org.apache.twill.internal.yarn.Hadoop21YarnAMClient.removeContainerRequest(Hadoop21YarnAMClient.java:116)
at
org.apache.twill.internal.yarn.Hadoop21YarnAMClient.removeContainerRequest(Hadoop21YarnAMClient.java:45)
at
org.apache.twill.internal.yarn.AbstractYarnAMClient.allocate(AbstractYarnAMClient.java:119)
at
org.apache.twill.internal.appmaster.ApplicationMasterService.doStop(ApplicationMasterService.java:281)
at
org.apache.twill.internal.AbstractTwillService.shutDown(AbstractTwillService.java:186)
at
com.google.common.util.concurrent.AbstractExecutionThreadService$1$1.run(AbstractExecutionThreadService.java:55)
at java.lang.Thread.run(Thread.java:745)
Exception in thread "ApplicationMasterService" java.lang.NullPointerException
at
org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl.decResourceRequest(AMRMClientImpl.java:687)
at
org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl.removeContainerRequest(AMRMClientImpl.java:477)
at
org.apache.twill.internal.yarn.Hadoop21YarnAMClient.removeContainerRequest(Hadoop21YarnAMClient.java:116)
at
org.apache.twill.internal.yarn.Hadoop21YarnAMClient.removeContainerRequest(Hadoop21YarnAMClient.java:45)
at
org.apache.twill.internal.yarn.AbstractYarnAMClient.allocate(AbstractYarnAMClient.java:119)
at
org.apache.twill.internal.appmaster.ApplicationMasterService.doRun(ApplicationMasterService.java:369)
at
org.apache.twill.internal.AbstractTwillService.run(AbstractTwillService.java:179)
at
com.google.common.util.concurrent.AbstractExecutionThreadService$1$1.run(AbstractExecutionThreadService.java:52)
at java.lang.Thread.run(Thread.java:745)
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