RFR: JDK-8317920: JDWP-agent sends broken exception event with onthrow option [v4]

[Chris Plummer]

On Mon, 16 Oct 2023 19:07:37 GMT, Johannes Bechberger <jbechberger at openjdk.org> wrote:

>> Fix `onthrow` issue by passing the event info to the `initialize` method.
>> 
>> This prevents `jdb` from receiving a broken exception event and throwing an internal NullPointerException, upon attaching to the JDWP-agent.
>
> Johannes Bechberger has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fixed event location

test/jdk/com/sun/jdi/JdwpOnThrowTest.java line 76:

> 74:                     while(eventIterator.hasNext() && start + TIMEOUT > System.currentTimeMillis()) {
> 75:                         Event event = eventIterator.next();
> 76:                         if (event instanceof ExceptionEvent ex) {

It's a bit unclear to me why this test is even seeing the ExceptionEvent since I don't see any place where an ExceptionEventRequest has been setup.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16145#discussion_r1362711317