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https://issues.apache.org/jira/browse/CASSANDRA-16576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Michael Semb Wever updated CASSANDRA-16576:
-------------------------------------------
     Bug Category: Parent values: Packaging(13660)Level 1 values: All(13663)
       Complexity: Normal
    Discovered By: Unit Test
         Severity: Normal
           Status: Open  (was: Triage Needed)

> jflex NPE (StateSetEnumerator.reset(…)) on arm64 and jdk11
> ----------------------------------------------------------
>
>                 Key: CASSANDRA-16576
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16576
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Build
>            Reporter: Michael Semb Wever
>            Priority: Normal
>             Fix For: 4.0.x
>
>
> Upstream: https://github.com/jflex-de/jflex/issues/910 
> {code}
>  java.lang.NullPointerException
>       at jflex.StateSetEnumerator.reset(StateSetEnumerator.java:40)
>       at jflex.NFA.containsFinal(NFA.java:295)
>       at jflex.NFA.getDFA(NFA.java:539)
>       at jflex.Main.generate(Main.java:80)
>       at jflex.anttask.JFlexTask.execute(JFlexTask.java:65)
>       at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
>       at jdk.internal.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
>       at 
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.base/java.lang.reflect.Method.invoke(Method.java:566)
>       at 
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
>       at org.apache.tools.ant.Task.perform(Task.java:350)
>       at org.apache.tools.ant.Target.execute(Target.java:449)
>       at org.apache.tools.ant.Target.performTasks(Target.java:470)
>       at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
>       at org.apache.tools.ant.Project.executeTarget(Project.java:1361)
>       at 
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
>       at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
>       at org.apache.tools.ant.Main.runBuild(Main.java:834)
>       at org.apache.tools.ant.Main.startAnt(Main.java:223)
>       at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
>       at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
> {code}
> Failures
> - 
> https://ci-cassandra.apache.org/view/Cassandra%204.0/job/Cassandra-trunk-artifacts/jdk=jdk_11_latest,label=cassandra-arm64/505/consoleFull
> - 
> https://ci-cassandra.apache.org/view/Cassandra%204.0/job/Cassandra-trunk-artifacts/501/jdk=jdk_11_latest,label=cassandra-arm64/console
> - 
> https://ci-cassandra.apache.org/view/Cassandra%204.0/job/Cassandra-trunk-artifacts/497/jdk=jdk_11_latest,label=cassandra-arm64/console



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