[AURORA-1625] ConcurrentModificationException in TaskHistoryPruner with DbTaskStore

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Assignee: Zameer Manji
• Reporter: Zameer Manji
• Created: 26/Feb/16 19:51
• Updated: 12/Apr/16 13:58
• Resolved: 26/Feb/16 23:59

Description

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]