RFR: 8314476: TestJstatdPortAndServer.java failed with "java.rmi.NoSuchObjectException: no such object in table" [v3]

Mark Sheppard msheppar at openjdk.org
Thu Aug 24 21:56:14 UTC 2023


On Thu, 24 Aug 2023 21:38:41 GMT, Kevin Walls <kevinw at 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:
> 
>   Modernisation

Marked as reviewed by msheppar (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15414#pullrequestreview-1594519549


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