David Handermann created NIFI-11853:
---------------------------------------

             Summary: Intermittent Failures in 
EmbeddedQuestDbStatusHistoryRepositoryForComponentsTest
                 Key: NIFI-11853
                 URL: https://issues.apache.org/jira/browse/NIFI-11853
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework, Tools and Build
            Reporter: David Handermann


The unit test for QuestDB fails intermittently on Windows-based GitHub 
workflows with the following error:

{noformat}
Error:  
org.apache.nifi.controller.status.history.EmbeddedQuestDbStatusHistoryRepositoryForComponentsTest.testReadingEmptyRepository
  Time elapsed: 1.86 s  <<< ERROR!
io.questdb.cairo.CairoException: [-1] 'garbageCollectionStatus' is left behind 
on pool shutdown
        at io.questdb.cairo.CairoException.critical(CairoException.java:62)
        at io.questdb.cairo.CairoException.nonCritical(CairoException.java:114)
        at 
io.questdb.cairo.pool.AbstractMultiTenantPool.releaseAll(AbstractMultiTenantPool.java:346)
        at io.questdb.cairo.pool.AbstractPool.closePool(AbstractPool.java:89)
        at 
io.questdb.cairo.pool.AbstractMultiTenantPool.closePool(AbstractMultiTenantPool.java:280)
        at io.questdb.cairo.pool.AbstractPool.close(AbstractPool.java:59)
        at io.questdb.std.Misc.free(Misc.java:54)
        at io.questdb.cairo.CairoEngine.close(CairoEngine.java:174)
        at 
org.apache.nifi.controller.status.history.questdb.QuestDbContext.close(QuestDbContext.java:48)
        at 
org.apache.nifi.controller.status.history.EmbeddedQuestDbStatusHistoryRepository.shutdown(EmbeddedQuestDbStatusHistoryRepository.java:168)
        at 
org.apache.nifi.controller.status.history.AbstractEmbeddedQuestDbStatusHistoryRepositoryTest.tearDown(AbstractEmbeddedQuestDbStatusHistoryRepositoryTest.java:57)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:568)
        at 
org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:727)
...
{noformat}



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