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Posted to issues@ignite.apache.org by "Oleg Ostanin (JIRA)" <ji...@apache.org> on 2018/03/26 10:05:00 UTC
[jira] [Commented] (IGNITE-7076) NPE while stopping with
GridDhtLockFuture
[ https://issues.apache.org/jira/browse/IGNITE-7076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16413637#comment-16413637 ]
Oleg Ostanin commented on IGNITE-7076:
--------------------------------------
I've got several 40+ mb log files from Ignite server nodes where this error message is repeated constantly for 3 seconds:
[2018-03-25 11:46:43][ERROR][grid-timeout-worker-#39] Error when executing timeout callback: LockTimeoutObject []
java.lang.NullPointerException: null
.....
[2018-03-25 11:46:46][ERROR][grid-timeout-worker-#39] Error when executing timeout callback: LockTimeoutObject []
java.lang.
Can we fix the issue or at least minimize log output?
> NPE while stopping with GridDhtLockFuture
> -----------------------------------------
>
> Key: IGNITE-7076
> URL: https://issues.apache.org/jira/browse/IGNITE-7076
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 2.1
> Reporter: Alexander Belyak
> Priority: Minor
>
> Get NPE after "Stopped cache" msg
> {noformat}
> 2017-11-29 08:18:20.994 [ERROR][grid-timeout-worker-#119%DPL_GRID%DplGridNodeName%][o.a.i.i.p.t.GridTimeoutProcessor] Error when executing timeout callback: LockTimeoutObject []
> java.lang.NullPointerException: null
> at org.apache.ignite.internal.processors.cache.GridCacheContext.loadPreviousValue(GridCacheContext.java:1446)
> at org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtLockFuture.loadMissingFromStore(GridDhtLockFuture.java:1030)
> at org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtLockFuture.onComplete(GridDhtLockFuture.java:731)
> at org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtLockFuture.access$900(GridDhtLockFuture.java:82)
> at org.apache.ignite.internal.processors.cache.distributed.dht.GridDhtLockFuture$LockTimeoutObject.onTimeout(GridDhtLockFuture.java:1133)
> at org.apache.ignite.internal.processors.timeout.GridTimeoutProcessor$TimeoutWorker.body(GridTimeoutProcessor.java:163)
> at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
> at java.lang.Thread.run(Thread.java:748)
> {noformat}
> because in GridCacheContext.java:1446 tryint to read from cacheCfg local variable, but cacheCfg was zeroed out while cache stopping.
> Probability of such error will be significantly lowered if in GridDhtLockFuture.LockTimeoutObject.onTimeout we pass actual value of nodeStopping flag (GridGhtLockFuture:1133) instead of hardcoded false.
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