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https://issues.apache.org/jira/browse/YARN-9109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16718016#comment-16718016
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Steve Loughran commented on YARN-9109:
--------------------------------------
Server
{code}
2018-12-11 16:32:17,429 [main] ERROR tools.DistCp (DistCp.java:run(167)) -
Exception encountered
java.io.IOException: org.apache.hadoop.yarn.exceptions.YarnException: Failed to
submit application_1543889597027_0032 to YARN : Timer already cancelled.
at org.apache.hadoop.mapred.YARNRunner.submitJob(YARNRunner.java:345)
at
org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:251)
at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1576)
at org.apache.hadoop.mapreduce.Job$11.run(Job.java:1573)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:1573)
at org.apache.hadoop.tools.DistCp.createAndSubmitJob(DistCp.java:206)
at org.apache.hadoop.tools.DistCp.execute(DistCp.java:182)
at org.apache.hadoop.tools.DistCp.run(DistCp.java:153)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
at org.apache.hadoop.tools.DistCp.main(DistCp.java:432)
Caused by: org.apache.hadoop.yarn.exceptions.YarnException: Failed to submit
application_1543889597027_0032 to YARN : Timer already cancelled.
at
org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.submitApplication(YarnClientImpl.java:322)
at
org.apache.hadoop.mapred.ResourceMgrDelegate.submitApplication(ResourceMgrDelegate.java:299)
at org.apache.hadoop.mapred.YARNRunner.submitJob(YARNRunner.java:330)
{code}
> DelegationTokenRenewer not resilient to token classload problems
> ----------------------------------------------------------------
>
> Key: YARN-9109
> URL: https://issues.apache.org/jira/browse/YARN-9109
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 3.1.2
> Reporter: Steve Loughran
> Priority: Minor
>
> The DelegationTokenRenewer can't handle the situation of: token
> implementation class cannot be instantiated.
> This is because {{Token.decodeIdentifier()}} throws an RTE on failure to
> instantiate, and these aren't caught.
> Appears to surfaces in the client: with an error about "Timer Already
> Cancelled". In the logs, you see this
> {code}
> Exception: java.lang.NoClassDefFoundError thrown from the
> UncaughtExceptionHandler in thread "Timer-5"
> {code}
> At least, I'm assuming this is the cause.... Relates to HADOOP-14556
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