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Posted to issues@aurora.apache.org by "Zameer Manji (JIRA)" <ji...@apache.org> on 2016/02/26 20:58:18 UTC
[jira] [Commented] (AURORA-1625) ConcurrentModificationException in
TaskHistoryPruner with DbTaskStore
[ https://issues.apache.org/jira/browse/AURORA-1625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15169681#comment-15169681 ]
Zameer Manji commented on AURORA-1625:
--------------------------------------
This is a direct consequence of my change here: https://reviews.apache.org/r/43643/
Now that an immutable set is no longer being returned as the underlying Iterable, the caller should make a defensive copy.
> ConcurrentModificationException in TaskHistoryPruner with DbTaskStore
> ---------------------------------------------------------------------
>
> Key: AURORA-1625
> URL: https://issues.apache.org/jira/browse/AURORA-1625
> Project: Aurora
> Issue Type: Bug
> Reporter: Zameer Manji
> Assignee: Zameer Manji
>
> {noformat}
> E0226 19:39:03.406 [AsyncProcessor-6, TaskHistoryPruner:145] Unexpected problem pruning task history for job: IJobKey{role=mesos, environment=test, name=labrat}. Triggering shutdown java.util.ConcurrentModificationException: null
> at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) ~[na:1.8.0_72-Tw8r10b0]
> at java.util.ArrayList$Itr.next(ArrayList.java:851) ~[na:1.8.0_72-Tw8r10b0]
> at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48) ~[guava-19.0.jar:na]
> at com.google.common.collect.ImmutableCollection$Builder.addAll(ImmutableCollection.java:410) ~[guava-19.0.jar:na]
> at com.google.common.collect.ImmutableList$Builder.addAll(ImmutableList.java:692) ~[guava-19.0.jar:na]
> at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:256) ~[guava-19.0.jar:na]
> at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:209) ~[guava-19.0.jar:na]
> at com.google.common.collect.FluentIterable.toList(FluentIterable.java:484) ~[guava-19.0.jar:na]
> at org.apache.aurora.scheduler.storage.entities.IScheduledTask.<init>(IScheduledTask.java:40) ~[aurora-api-144.jar:na]
> at org.apache.aurora.scheduler.storage.entities.IScheduledTask.build(IScheduledTask.java:46) ~[aurora-api-144.jar:na]
> at org.apache.aurora.scheduler.storage.db.views.DbScheduledTask.toImmutable(DbScheduledTask.java:39) ~[aurora-144.jar:na]
> at com.google.common.collect.Iterators$8.transform(Iterators.java:817) ~[guava-19.0.jar:na]
> at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48) ~[guava-19.0.jar:na]
> at com.google.common.collect.Iterators$7.computeNext(Iterators.java:674) ~[guava-19.0.jar:na]
> at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) ~[guava-19.0.jar:na]
> at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) ~[guava-19.0.jar:na]
> at com.google.common.collect.Iterators.size(Iterators.java:200) ~[guava-19.0.jar:na]
> at com.google.common.collect.Iterables.size(Iterables.java:107) ~[guava-19.0.jar:na]
> at org.apache.aurora.scheduler.pruning.TaskHistoryPruner.lambda$registerInactiveTask$85(TaskHistoryPruner.java:170) ~[aurora-144.jar:na]
> at org.apache.aurora.scheduler.pruning.TaskHistoryPruner.lambda$shutdownOnError$83(TaskHistoryPruner.java:143) ~[aurora-14 at org.apache.aurora.scheduler.pruning.TaskHistoryPruner.lambda$shutdownOnError$83(TaskHistoryPruner.java:143) ~[aurora-14
> 4.jar:na]
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_72-Tw8r10b0]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_72-Tw8r10b0]
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) ~[na:1.8.0_72-Tw8r10b0]
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) ~[na:1.8.0_72-Tw8r10b0]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_72-Tw8r10b0]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_72-Tw8r10b0]
> at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_72-Tw8r10b0]
> {noformat}
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