On Thu, 24 Aug 2023 14:57:47 GMT, Kevin Walls <kev...@openjdk.org> wrote:

>> Several tests from test/jdk/sun/tools/jstatd are intermittent.
>> 
>> Port clashes when run at the same time on the same machine have been a 
>> problem.
>> The RMI error "no such object in table" can mean a reference on the RMI 
>> server has been GC'd.
>> Either way, jstatd fails to startup and and the test fails.
>> 
>> These both have jstatd reporting "Could not bind" which should be recognised 
>> and retried, as we already do for (some) port in use problems. i.e. 
>> JstatdTest.java: the isJstadReady() method (will correct that typo also) 
>> checks for "Port already in use", which can be printed by TCPTransport.java.
>> 
>> Should update its test to check for "Could not bind".
>> Should limit the retries also.
>
> Kevin Walls has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Less specific error message, could be ports or other failure..

test/jdk/sun/tools/jstatd/JstatdTest.java line 327:

> 325:         int tries = 0;
> 326:         try {
> 327:             while (jstatdThread == null && ++tries <= 10) {

maybe use a ubiquitous constant MAX_RETRY (private static final in MAX_RETRY = 
10)

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PR Review Comment: https://git.openjdk.org/jdk/pull/15414#discussion_r1304694460

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