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https://issues.apache.org/jira/browse/FLINK-32662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17746810#comment-17746810
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Matthias Pohl commented on FLINK-32662:
---------------------------------------
[~liangtl] might this be related to FLINK-32469. Can you have a look?
> JobMasterTest.testRetrievingCheckpointStats fails with NPE on AZP
> -----------------------------------------------------------------
>
> Key: FLINK-32662
> URL: https://issues.apache.org/jira/browse/FLINK-32662
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.18.0
> Reporter: Sergey Nuyanzin
> Priority: Critical
> Labels: test-stability
>
> This build
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=51452&view=logs&j=0e7be18f-84f2-53f0-a32d-4a5e4a174679&t=7c1d86e3-35bd-5fd5-3b7c-30c126a78702&l=8654
> fails with NPE as
> {noformat}
> Jul 20 01:01:33 01:01:33.491 [ERROR]
> org.apache.flink.runtime.jobmaster.JobMasterTest.testRetrievingCheckpointStats
> Time elapsed: 0.036 s <<< ERROR!
> Jul 20 01:01:33 java.lang.NullPointerException
> Jul 20 01:01:33 at
> org.apache.flink.runtime.jobmaster.JobMasterTest.testRetrievingCheckpointStats(JobMasterTest.java:2132)
> Jul 20 01:01:33 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> Jul 20 01:01:33 at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> Jul 20 01:01:33 at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> Jul 20 01:01:33 at java.lang.reflect.Method.invoke(Method.java:498)
> Jul 20 01:01:33 at
> org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:727)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:156)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:147)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:86)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:103)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:93)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
> Jul 20 01:01:33 at
> org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
> ...
> {noformat}
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