RFR(S): 8231288: "jhsdb jmap" test needed to reproduce issues that used to be reproduced by JShellHeapDumpTest

[Severin Gehwolf]

Hi Chris,

On Mon, 2019-09-30 at 12:59 -0700, Chris Plummer wrote:
> Hello,
> 
> Please review the following:
> 
> https://bugs.openjdk.java.net/browse/JDK-8231288
> http://cr.openjdk.java.net/~cjplummer/8231288/webrev.00/index.html
> 
> There were a number of jmap issues that JShellHeapDumpTest.java used to 
> reproduce that went away with the fixes for JDK-8228625 because these 
> fixes bring the jshell process to an idle state. This new test gets rid 
> of the Thread.sleep(2000) that JShellHeapDumpTest.java does, making it 
> so the jshell process is still active during the jmap heap dump. The 
> helps to reproduce 4 other jmap bugs for which there are open CRs 
> already filed. This new test has to be problem listed as a results.

> Note I left mention of JDK-8196969 out of the problemlist because a fix 
> for it is about to be pushed by someone else, and I don't want either of 
> us to have to deal with timing issues for which CR gets pushed first.

Speaking of JDK-8196969 it is still being mentioned:

+sun/tools/jhsdb/HeapDumpTestWithActiveProcess.java              8231635,8231634,8196969 generic-all

I guess that's intentional?

Thanks,
Severin