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https://issues.apache.org/jira/browse/TWILL-61?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Neumann reopened TWILL-61:
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Seems that this is not fixed yet. We are seeing this in 0.8:
{noformat}
org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode =
NodeExists for
/SERVICENAME.REDACTED/144ef027-672b-4a87-b88e-6b7abcf35c2c/runnables
at
com.google.common.util.concurrent.AbstractFuture$Sync.getValue(AbstractFuture.java:294)
at
com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:281)
at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:116)
at
org.apache.twill.internal.appmaster.ApplicationMasterService.doStart(ApplicationMasterService.java:240)
at
org.apache.twill.internal.AbstractTwillService.startUp(AbstractTwillService.java:171)
at
com.google.common.util.concurrent.AbstractExecutionThreadService$1$1.run(AbstractExecutionThreadService.java:47)
{noformat}
> Second launch attempt of AM always failed
> -----------------------------------------
>
> Key: TWILL-61
> URL: https://issues.apache.org/jira/browse/TWILL-61
> Project: Apache Twill
> Issue Type: Bug
> Components: yarn
> Reporter: Terence Yim
> Assignee: Terence Yim
> Fix For: 0.5.0-incubating
>
>
> YARN would make multiple attempts to launch an application. Currently second
> or above attempts would always fail due to creation of /runId/state node in
> ZK fail (node exists) because runId is generated on client side and doesn't
> change between attempts.
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