RFR: 8347779: sun/tools/jhsdb/HeapDumpTestWithActiveProcess.java fails with Unable to deduce type of thread from address [v4]

[Chris Plummer]

On Wed, 29 Jan 2025 12:46:29 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> We were running into this error :
>> sun/tools/jhsdb/HeapDumpTestWithActiveProcess.java on Linux aarch64, jdk25
>> 
>> stderr: [java.lang.RuntimeException: Unable to deduce type of thread from address 0x0000ffff34144e30 (expected type JavaThread, CompilerThread, MonitorDeflationThread, AttachListenerThread, StringDedupThread, NotificationThread, ServiceThread or JvmtiAgentThread)
>> at jdk.hotspot.agent/sun.jvm.hotspot.runtime.Threads.createJavaThreadWrapper(Threads.java:196)
>> at jdk.hotspot.agent/sun.jvm.hotspot.runtime.Threads.getJavaThreadAt(Threads.java:178)
>> at jdk.hotspot.agent/sun.jvm.hotspot.utilities.HeapHprofBinWriter.dumpStackTraces(HeapHprofBinWriter.java:828)
>> at jdk.hotspot.agent/sun.jvm.hotspot.utilities.HeapHprofBinWriter.write(HeapHprofBinWriter.java:460)
>> at jdk.hotspot.agent/sun.jvm.hotspot.tools.JMap.writeHeapHprofBin(JMap.java:216)
>> at jdk.hotspot.agent/sun.jvm.hotspot.tools.JMap.run(JMap.java:103)
>> at jdk.hotspot.agent/sun.jvm.hotspot.tools.Tool.startInternal(Tool.java:278)
>> at jdk.hotspot.agent/sun.jvm.hotspot.tools.Tool.start(Tool.java:241)
>> at jdk.hotspot.agent/sun.jvm.hotspot.tools.Tool.execute(Tool.java:134)
>> at jdk.hotspot.agent/sun.jvm.hotspot.tools.JMap.main(JMap.java:202)
>> at jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.runJMAP(SALauncher.java:344)
>> at jdk.hotspot.agent/sun.jvm.hotspot.SALauncher.main(SALauncher.java:507)
>> Caused by: sun.jvm.hotspot.types.WrongTypeException: No suitable match for type of address 0x0000ffff34144e30
>> at jdk.hotspot.agent/sun.jvm.hotspot.runtime.InstanceConstructor.newWrongTypeException(InstanceConstructor.java:62)
>> at jdk.hotspot.agent/sun.jvm.hotspot.runtime.VirtualConstructor.instantiateWrapperFor(VirtualConstructor.java:80)
>> at jdk.hotspot.agent/sun.jvm.hotspot.runtime.Threads.createJavaThreadWrapper(Threads.java:192)
>> ... 11 more
>> 
>> In the discussion in the JBS bug it was found that a retry option in` launch `should be added.
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   add comments

Marked as reviewed by cjplummer (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/23213#pullrequestreview-2581556193