RFR: 8361602: [TESTBUG] serviceability/HeapDump/UnmountedVThreadNativeMethodAtTop.java deadlocks on exception [v3]

[Chris Plummer]

On Thu, 10 Jul 2025 10:02:56 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> This pr moves the `notify()` call to the finally block to avoid the deadlock in `join()` if `verifyHeapDump(dumpFile)` throws an exception.
>> 
>> Testing was done with fastdebug and release builds on the main platforms and also on Linux/PPC64le and AIX.
>
> Richard Reingruber has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Wait while !done

With your fix in place, I assume now if verifyHeapDump() throws an exception the test will still fail, but in a more timely and meaningful manner. Why is verifyHeapDump() throwing an exception in the first place. Is that something that still needs to be addressed?

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PR Comment: https://git.openjdk.org/jdk/pull/26213#issuecomment-3059069045