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https://issues.apache.org/jira/browse/IGNITE-13917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17255676#comment-17255676
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Ignite TC Bot commented on IGNITE-13917:
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{panel:title=Branch: [pull/8619/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/8619/head] Base: [master] : New Tests
(1)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Cache 5{color} [[tests
1|https://ci.ignite.apache.org/viewLog.html?buildId=5809538]]
* {color:#013220}IgniteCacheTestSuite5:
GridCachePartitionExchangeManagerWarningsTest.testDumpLongRunningOperationsWaitForFullyInitializedExchangeManager
- PASSED{color}
{panel}
[TeamCity *--> Run :: All*
Results|https://ci.ignite.apache.org/viewLog.html?buildId=5809578&buildTypeId=IgniteTests24Java8_RunAll]
> (err) Failed to dump debug information: java.lang.NullPointerException at
> dumpLongRunningOperations0(GridCachePartitionExchangeManager.java:2256)
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-13917
> URL: https://issues.apache.org/jira/browse/IGNITE-13917
> Project: Ignite
> Issue Type: Improvement
> Reporter: Sergey Uttsel
> Assignee: Sergey Uttsel
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Got the following exception:
> {code:java}
> [14:48:36] (err) Failed to dump debug information:
> java.lang.NullPointerExceptionjava.lang.NullPointerException
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager.dumpLongRunningOperations0(GridCachePartitionExchangeManager.java:2256)
> at
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager.dumpLongRunningOperations(GridCachePartitionExchangeManager.java:2450)
> at
> org.apache.ignite.internal.processors.cache.transactions.IgniteTxManager.lambda$null$1(IgniteTxManager.java:2088)
> at
> org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader(IgniteUtils.java:7164)
> at
> org.apache.ignite.internal.processors.closure.GridClosureProcessor$1.body(GridClosureProcessor.java:826)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:119)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:834)
> {code}
> As I see from the code, GridCacheSharedContext wasn't initialized during the
> dumpLongRunningOperations0 method.
> {code:java}
> /** Context. */
> protected GridCacheSharedContext<K, V> cctx;
> {code}
> I think there might be some kind of race here. We need to think about how to
> prevent this case.
> *UPDATE*
> This NullPointerException looks harmless and does not lead to cluster
> instability.
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