Quite a while since I touched this one! The nature of the test is a bit flaky given
that we're assuming no other process will use the chosen port. I'm not sure
if a concrete solution is possible. One other option is to have this test run in non-concurrent mode by editing test/jdk/TEST.ROOT --> exclusiveAccess.dirs=

The while loop approach may help but won't protect against cases where a
long running process has attached to the port number we're interested in.

regards,
Sean.

On 15/10/2019 03:20, Weijun Wang wrote:
+SeanC

The wait might unnecessarily increase the test time. Maybe you can do something 
like this:

    int timeout = 10;
    while (timeout > 0) {
       sleep(one second);
       verifyPortFree && return;
       timeout--;
    }
    throw new Exception(still not freed);

And Sean, back in JDK-8016728 you said "Let's extend it to 1000ms and see how test 
behaves". So what do you think?

Thanks,
Max

On Oct 15, 2019, at 10:03 AM, Hamlin Li <[email protected]> wrote:

Hi,

The test is failing more frequently, could some help to review it?

Thank you

-Hamlin

On 2019/9/4 11:11 AM, Hamlin Li wrote:
some background & comment: in most of failures, the "test.timeout.factor" is 
10.0 or 8.0, so in the test code this factor should be considered in rmi operations such 
unexporting an object.

Thank you

-Hamlin

On 2019/9/4 11:01 AM, Hamlin Li wrote:
Hi,

Would you please review the following patch?

Bug: https://bugs.openjdk.java.net/browse/JDK-8134599

webrev: http://cr.openjdk.java.net/~mli/8134599/webrev.00/


Thank you

-Hamlin

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