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https://issues.apache.org/jira/browse/STORM-3245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Joseph Evans resolved STORM-3245.
----------------------------------------
Resolution: Fixed
Fix Version/s: 2.0.1
> Log viewer cleanup failes if multiple empty worker-artifact dirs
> ----------------------------------------------------------------
>
> Key: STORM-3245
> URL: https://issues.apache.org/jira/browse/STORM-3245
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-server
> Affects Versions: 2.0.0
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 2.0.1
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> If a drive fills up for various reasons it is possible that we can create the
> directory for a worker in worker-artifacts, but not able to create the
> worker.yaml. If we get more than one of these on a node we get an exception
> like.
>
> {code:java}
> o.a.s.d.l.u.LogCleaner logviewer-cleanup [ERROR] Exception while cleaning up
> old log.
> java.lang.IllegalStateException: Duplicate key ...
> at
> java.util.stream.Collectors.lambda$throwingMerger$0(Collectors.java:133)
> ~[?:1.8.0_102]
> at java.util.HashMap.merge(HashMap.java:1253) ~[?:1.8.0_102]
> at java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1320)
> ~[?:1.8.0_102]
> at
> java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
> ~[?:1.8.0_102]
> at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> ~[?:1.8.0_102]
> at
> java.util.TreeMap$KeySpliterator.forEachRemaining(TreeMap.java:2746)
> ~[?:1.8.0_102]
> at
> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
> ~[?:1.8.0_102]
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
> ~[?:1.8.0_102]
> at
> java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
> ~[?:1.8.0_102]
> at
> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> ~[?:1.8.0_102]
> at
> java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
> ~[?:1.8.0_102]
> at
> org.apache.storm.daemon.logviewer.utils.WorkerLogs.identifyWorkerLogDirs(WorkerLogs.java:214)
> ~[storm-webapp-...{code}
> After that we cannot clean up any directories any longer...
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