[FLINK-32662] JobMasterTest.testRetrievingCheckpointStats fails with NPE on AZP

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.18.0
• Fix Version/s: 1.18.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available test-stability
• Assignee: Matthias Pohl
• Reporter: Sergey Nuyanzin
• Created: 24/Jul/23 22:59
• Updated: 03/Aug/23 09:18
• Resolved: 02/Aug/23 11:30

Description

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

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)
...

Issue Links

• is caused by: FLINK-32469 Improve checkpoint REST APIs for programmatic access
• links to: GitHub Pull Request #23117