Withdrawn: 8318839: Update test thread factory to catch all exceptions

[Leonid Mesnik]

On Wed, 25 Oct 2023 21:08:01 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> The jtreg starts the main thread in a separate ThreadGroup and checks unhandled exceptions for this group. However, it doesn't catch all unhandled exceptions. There is a jtreg issue for this https://bugs.openjdk.org/browse/CODETOOLS-7903526.
> Catching such issues for virtual threads is important because they are not included in any groups. So this fix implements the handler for the test thread factory. 
> 
> A few tests start failing.
> 
> The test
> serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorVMEventsTest.java
> has testcases for platform and virtual threads. So, there is there's no need to run it with the thread factory.
> 
> The test
> java/lang/Thread/virtual/ThreadAPI.java
> tests UncaughtExceptionHandler and virtual threads. No need to run it with a thread factory.
> 
> Test 
> test/jdk/java/util/concurrent/tck/ThreadTest.java is updated to not check the default empty handler.
> 
> Probably, we need some common approach about dealing with the UncaughtExceptionHandler in jtreg.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/16369