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https://issues.apache.org/jira/browse/IGNITE-723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14496313#comment-14496313
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Andrey Gura commented on IGNITE-723:
------------------------------------
It seems that NPE occurred during or after clean up of cache processor. But
clean up can't start while executing jobs exist . I tried to reproduce this
situation with test that starts compute jobs and stops grid in random time
intervals. Every time when grid stops it is waiting for jobs termination.
Problem isn't reproducible.
> NPE in CacheMetricsImpl
> -----------------------
>
> Key: IGNITE-723
> URL: https://issues.apache.org/jira/browse/IGNITE-723
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: sprint-3
> Reporter: Alexey Kuznetsov
> Assignee: Andrey Gura
> Priority: Blocker
> Fix For: sprint-4
>
>
> {code}
> java.lang.NullPointerException
> at
> org.apache.ignite.internal.processors.cache.CacheMetricsImpl.getDhtEvictQueueCurrentSize(CacheMetricsImpl.java:155)
> at
> org.apache.ignite.internal.processors.cache.CacheMetricsSnapshot.<init>(CacheMetricsSnapshot.java:221)
> at
> org.apache.ignite.internal.processors.cache.GridCacheAdapter.metrics(GridCacheAdapter.java:3239)
> at
> org.apache.ignite.internal.visor.cache.VisorCacheMetrics.from(VisorCacheMetrics.java:182)
> at
> org.apache.ignite.internal.visor.cache.VisorCache.from(VisorCache.java:233)
> at
> org.apache.ignite.internal.visor.node.VisorNodeDataCollectorJob.caches(VisorNodeDataCollectorJob.java:128)
> at
> org.apache.ignite.internal.visor.node.VisorNodeDataCollectorJob.run(VisorNodeDataCollectorJob.java:205)
> at
> org.gridgain.grid.internal.visor.node.VisorGridGainNodeDataCollectorJob.run(VisorGridGainNodeDataCollectorJob.java:101)
> at
> org.gridgain.grid.internal.visor.node.VisorGridGainNodeDataCollectorJob.run(VisorGridGainNodeDataCollectorJob.java:25)
> at org.apache.ignite.internal.visor.VisorJob.execute(VisorJob.java:67)
> at
> org.apache.ignite.internal.processors.job.GridJobWorker$2.call(GridJobWorker.java:478)
> at
> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader(IgniteUtils.java:6107)
> at
> org.apache.ignite.internal.processors.job.GridJobWorker.execute0(GridJobWorker.java:472)
> at
> org.apache.ignite.internal.processors.job.GridJobWorker.body(GridJobWorker.java:423)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:108)
> at
> org.apache.ignite.internal.processors.job.GridJobProcessor.processJobExecuteRequest(GridJobProcessor.java:1052)
> at
> org.apache.ignite.internal.processors.task.GridTaskWorker.sendRequest(GridTaskWorker.java:1141)
> at
> org.apache.ignite.internal.processors.task.GridTaskWorker.processMappedJobs(GridTaskWorker.java:535)
> at
> org.apache.ignite.internal.processors.task.GridTaskWorker.body(GridTaskWorker.java:431)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:108)
> at
> org.apache.ignite.internal.processors.task.GridTaskProcessor.startTask(GridTaskProcessor.java:618)
> at
> org.apache.ignite.internal.processors.task.GridTaskProcessor.execute(GridTaskProcessor.java:388)
> at
> org.apache.ignite.internal.processors.rest.handlers.task.GridTaskCommandHandler.handleAsyncUnsafe(GridTaskCommandHandler.java:197)
> at
> org.apache.ignite.internal.processors.rest.handlers.task.GridTaskCommandHandler.handleAsync(GridTaskCommandHandler.java:134)
> at
> org.apache.ignite.internal.processors.rest.GridRestProcessor.handleRequest(GridRestProcessor.java:198)
> at
> org.apache.ignite.internal.processors.rest.GridRestProcessor.access$100(GridRestProcessor.java:54)
> at
> org.apache.ignite.internal.processors.rest.GridRestProcessor$2.body(GridRestProcessor.java:108)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:108)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745){code}
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