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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 -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org