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https://issues.apache.org/jira/browse/IGNITE-750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14494302#comment-14494302
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Yakov Zhdanov commented on IGNITE-750:
--------------------------------------
The issue is pretty simple. GridMapQueryExecutor adds itself as message
listener, but {{1}} does not protect itself with busy lock and {{2}} does not
get removed on node stop. Please fix both issues here and similar issues in
query. You can reassign this ticket with explanations.
> NPE in SQL on node stop
> -----------------------
>
> Key: IGNITE-750
> URL: https://issues.apache.org/jira/browse/IGNITE-750
> Project: Ignite
> Issue Type: Bug
> Reporter: Yakov Zhdanov
> Assignee: Sergi Vladykin
> Fix For: sprint-4
>
>
> {code}
> Caused by: javax.cache.CacheException: Failed to run map query remotely.
> at
> org.apache.ignite.internal.processors.query.h2.twostep.GridReduceQueryExecutor.query(GridReduceQueryExecutor.java:300)
> at
> org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryTwoStep(IgniteH2Indexing.java:714)
> at
> org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryTwoStep(IgniteH2Indexing.java:805)
> at
> org.apache.ignite.internal.processors.query.GridQueryProcessor.queryTwoStep(GridQueryProcessor.java:534)
> at
> org.apache.ignite.internal.processors.cache.IgniteCacheProxy.query(IgniteCacheProxy.java:474)
> at
> org.apache.ignite.internal.visor.query.VisorQueryJob.run(VisorQueryJob.java:104)
> at
> org.apache.ignite.internal.visor.query.VisorQueryJob.run(VisorQueryJob.java:39)
> 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:724)
> Caused by: javax.cache.CacheException: Failed to execute map query on the
> node: c91cc779-30d4-437e-8889-ab7c26ca990d, class
> org.h2.message.DbException:Serialization failed, cause:
> "java.lang.NullPointerException" [90026-175]
> at
> org.apache.ignite.internal.processors.query.h2.twostep.GridReduceQueryExecutor.fail(GridReduceQueryExecutor.java:177)
> at
> org.apache.ignite.internal.processors.query.h2.twostep.GridReduceQueryExecutor.onFail(GridReduceQueryExecutor.java:167)
> at
> org.apache.ignite.internal.processors.query.h2.twostep.GridReduceQueryExecutor.onMessage(GridReduceQueryExecutor.java:148)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager$ArrayListener.onMessage(GridIoManager.java:1554)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:664)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager.access$1500(GridIoManager.java:57)
> at
> org.apache.ignite.internal.managers.communication.GridIoManager$5.run(GridIoManager.java:627)
> ... 3 more
> {code}
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