On Wed, 14 Jun 2023 21:24:31 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:

> The test gets overloaded with MethodExitEvents, causing them to queue up (in 
> the JDI queue) and continue to be processed by the test after the debuggee 
> exits. This results in a VMDisconnectedException when the test tries to do 
> the following after getting an event:
> 
> `    String str = ((MethodExitEvent)event).location().declaringType().name(); 
> `
> 
> The test is suppose to add filters to execlude events for all non-test 
> classes, but it is only filtering `java.*` and `sun.*`. There are also a very 
> large number of `jdk.*` events coming in, and this is what is causing the 
> event backlog and the processing of events after disconnect. Filtering out 
> `jdk.*` events reduces the total number of events to a few dozen, and the 
> test passes.
> 
> More details can be found in the CR.
> 
> Testing in progress: tier5 svc testing, and also running the failing test on 
> all platforms (both debug and product).

Changes requested by lmesnik (Reviewer).

test/hotspot/jtreg/vmTestbase/nsk/jdi/MethodExitRequest/addClassExclusionFilter/filter001.java
 line 77:

> 75:     private String classExclName1 = "java";
> 76:     private String classExclName2 = "sun";
> 77:     private String classExclName3 = "jdk";

The fix is reasonable. However,
I think it would be better to use List<String> with List.of(...) and 
list.contains() to filter exclusions.

-------------

PR Review: https://git.openjdk.org/jdk/pull/14480#pullrequestreview-1480363171
PR Review Comment: https://git.openjdk.org/jdk/pull/14480#discussion_r1230209088

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