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https://issues.apache.org/jira/browse/FLINK-1492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14315909#comment-14315909
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ASF GitHub Bot commented on FLINK-1492:
---------------------------------------
Github user uce commented on the pull request:
https://github.com/apache/flink/pull/376#issuecomment-73856074
OK, thanks for reporting this. @StephanEwen has some pending changes to the
blob manager and he will look into it as well.
It is not allowed to remove the shutdown hook when a shutdown is already in
progress.
> Exceptions on shutdown concerning BLOB store cleanup
> ----------------------------------------------------
>
> Key: FLINK-1492
> URL: https://issues.apache.org/jira/browse/FLINK-1492
> Project: Flink
> Issue Type: Bug
> Components: JobManager, TaskManager
> Affects Versions: 0.9
> Reporter: Stephan Ewen
> Assignee: Ufuk Celebi
> Fix For: 0.9, 0.8.1
>
>
> The following stack traces occur not every time, but frequently.
> {code}
> java.lang.IllegalArgumentException:
> /tmp/blobStore-7a89856a-47f9-45d6-b88b-981a3eff1982 does not exist
> at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1637)
> at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1535)
> at
> org.apache.flink.runtime.blob.BlobServer.shutdown(BlobServer.java:213)
> at
> org.apache.flink.runtime.execution.librarycache.BlobLibraryCacheManager.shutdown(BlobLibraryCacheManager.java:171)
> at
> org.apache.flink.runtime.jobmanager.JobManager.postStop(JobManager.scala:136)
> at akka.actor.Actor$class.aroundPostStop(Actor.scala:475)
> at
> org.apache.flink.runtime.jobmanager.JobManager.aroundPostStop(JobManager.scala:80)
> at
> akka.actor.dungeon.FaultHandling$class.akka$actor$dungeon$FaultHandling$$finishTerminate(FaultHandling.scala:210)
> at
> akka.actor.dungeon.FaultHandling$class.handleChildTerminated(FaultHandling.scala:292)
> at akka.actor.ActorCell.handleChildTerminated(ActorCell.scala:369)
> at
> akka.actor.dungeon.DeathWatch$class.watchedActorTerminated(DeathWatch.scala:63)
> at akka.actor.ActorCell.watchedActorTerminated(ActorCell.scala:369)
> at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:455)
> at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
> at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:279)
> at akka.dispatch.Mailbox.run(Mailbox.scala:220)
> at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> at
> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.pollAndExecAll(ForkJoinPool.java:1253)
> at
> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1346)
> at
> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> at
> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 15:16:15,350 ERROR
> org.apache.flink.test.util.ForkableFlinkMiniCluster$$anonfun$startTaskManager$1$$anon$1
> - LibraryCacheManager did not shutdown properly.
> java.io.IOException: Unable to delete file:
> /tmp/blobStore-e2619536-fb7c-452a-8639-487a074d1582/cache/blob_ff74895f7bdeeaa3bd70b6932beed143048bb4c7
> at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:2279)
> at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1653)
> at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1535)
> at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:2270)
> at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1653)
> at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1535)
> at org.apache.flink.runtime.blob.BlobCache.shutdown(BlobCache.java:159)
> at
> org.apache.flink.runtime.execution.librarycache.BlobLibraryCacheManager.shutdown(BlobLibraryCacheManager.java:171)
> at
> org.apache.flink.runtime.taskmanager.TaskManager.postStop(TaskManager.scala:173)
> at akka.actor.Actor$class.aroundPostStop(Actor.scala:475)
> at
> org.apache.flink.runtime.taskmanager.TaskManager.aroundPostStop(TaskManager.scala:86)
> at
> akka.actor.dungeon.FaultHandling$class.akka$actor$dungeon$FaultHandling$$finishTerminate(FaultHandling.scala:210)
> at
> akka.actor.dungeon.FaultHandling$class.terminate(FaultHandling.scala:172)
> at akka.actor.ActorCell.terminate(ActorCell.scala:369)
> at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:462)
> at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
> at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:279)
> at akka.dispatch.Mailbox.run(Mailbox.scala:220)
> at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
> at
> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.pollAndExecAll(ForkJoinPool.java:1253)
> at
> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1346)
> at
> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
> at
> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 15:16:15,345 ERROR org.apache.flink.runtime.blob.BlobCache
> - Error deleting directory
> /tmp/blobStore-4313349e-8a58-4683-9fd0-3d2c52be1864 during JVM shutdown:
> /tmp/blobStore-4313349e-8a58-4683-9fd0-3d2c52be1864 does not exist
> java.lang.IllegalArgumentException:
> /tmp/blobStore-4313349e-8a58-4683-9fd0-3d2c52be1864 does not exist
> at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1637)
> at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1535)
> at org.apache.flink.runtime.blob.BlobUtils$1.run(BlobUtils.java:210)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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