RFR: 8265683: vmTestbase/nsk/jdb tests failed with "JDWP exit error AGENT_ERROR_INTERNAL(181)"

[Chris Plummer]

On Thu, 22 Apr 2021 20:11:56 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

> Do you plan to another bug to continue your investigation?

Yes. The search of runningThreads becomes a performance issue in Loom when the list could have a million items.

> src/jdk.jdwp.agent/share/native/libjdwp/threadControl.c line 260:
> 
>> 258:          * thread has terminated, but the ThreadNode may still be present.
>> 259:          */
>> 260:         if ( node == NULL ) {
> 
> nit - s/( /(/ and s/ )/)/

The extra spaces are intentional to remain consistent with the surrounding code.

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PR: https://git.openjdk.java.net/jdk/pull/3634