RFR: 8341797: Fix ExceptionOccurred in jdk.jdi

[Alex Menkov]

On Thu, 10 Oct 2024 21:56:39 GMT, Justin Lu <jlu at openjdk.org> wrote:

> Please review this PR which is part of the bigger umbrella bug: https://bugs.openjdk.org/browse/JDK-8341542.
> 
> This fixes incorrect usage of `jthrowable ExceptionOccurred(JNIEnv *env)` within _jdk.jdi_.
> This corrects instances where the return value is being treated as a boolean. Such occurrences are replaced with `jboolean ExceptionCheck(JNIEnv *env)`.
> 
> JNI Docs - ExceptionCheck
>> We introduce a convenience function to check for pending exceptions without creating a local reference to the exception object. ... Returns JNI_TRUE when there is a pending exception; otherwise, returns JNI_FALSE.

Marked as reviewed by amenkov (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/21460#pullrequestreview-2361685169