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https://issues.apache.org/jira/browse/IGNITE-25076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17942162#comment-17942162
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Roman Puchkovskiy commented on IGNITE-25076:
--------------------------------------------
The patch looks good to me
> Creating a thread dump may lead to NullPointerException
> -------------------------------------------------------
>
> Key: IGNITE-25076
> URL: https://issues.apache.org/jira/browse/IGNITE-25076
> Project: Ignite
> Issue Type: Bug
> Reporter: Vyacheslav Koptilin
> Assignee: Vyacheslav Koptilin
> Priority: Major
> Labels: ignite-3
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
>
> {noformat}
> Suppressed: java.lang.NullPointerException: Cannot invoke
> "java.lang.management.ThreadInfo.getThreadId()" because "threadInfo" is null
> at
> org.apache.ignite.internal.thread.ThreadUtils.printThreadInfo(ThreadUtils.java:150)
> ~[ignite-core-3.0.127-SNAPSHOT.jar:?]
> at
> org.apache.ignite.internal.thread.ThreadUtils.dumpThreads(ThreadUtils.java:84)
> ~[ignite-core-3.0.127-SNAPSHOT.jar:?]
> at
> org.apache.ignite.internal.failure.FailureManager.process(FailureManager.java:167)
> ~[ignite-failure-handler-3.0.127-SNAPSHOT.jar:?]
> at
> org.apache.ignite.internal.failure.FailureManager.process(FailureManager.java:132)
> ~[ignite-failure-handler-3.0.127-SNAPSHOT.jar:?]
> at
> org.apache.ignite.internal.distributionzones.DataNodesManager.lambda$msInvokeWithRetry$22(DataNodesManager.java:1085)
> ~[ignite-distribution-zones-3.0.127-SNAPSHOT.jar:?]{noformat}
> It seems that the requested thread is gone, and its info is not available
> anymore.
>
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