[ping] Re: RFR 8077327: ThreadStackTrace.java throws exception: BlockedThread expected to have BLOCKED but got RUNNABLE
Daniel Fuchs
daniel.fuchs at oracle.com
Tue Apr 14 11:59:37 UTC 2015
On 14/04/15 11:28, Jaroslav Bachorik wrote:
> Hi Daniel,
>
> On 14.4.2015 09:38, Daniel Fuchs wrote:
>> Hi Jaroslav,
>>
>> Shouldn't you also wait for the blockedThread to be blocked on
>> lockA at around line 252?
>> (I mean - using Utils.waitForThreadState(blockedThread, State.BLOCKED))
>
> Yes, nice catch. Thanks!
>
> http://cr.openjdk.java.net/~jbachorik/8077327/webrev.01
Looks good!
-- daniel
>
> -JB-
>
>>
>> best regards,
>>
>> -- daniel
>>
>> On 4/13/15 10:07 AM, Jaroslav Bachorik wrote:
>>> On 9.4.2015 20:11, Jaroslav Bachorik wrote:
>>>> Please, review the following test change
>>>>
>>>> Issue : https://bugs.openjdk.java.net/browse/JDK-8077327
>>>> Webrev: http://cr.openjdk.java.net/~jbachorik/8077327/webrev.00
>>>>
>>>> This fix is for an intermittent failure due to timing issues. The test
>>>> is using an arbitrary waiting period to allow the tested thread to
>>>> arrive to the requested state. Usually it works fine but under eg.
>>>> heavy
>>>> load this strategy will fail. The proposed solution is to explicitly
>>>> check for the test thread arriving to the requested state instead of
>>>> waiting eg. 10ms.
>>>>
>>>> I also took the liberty of removing the custom Semaphore implementation
>>>> and replacing its usage with java.util.concurrent.Phaser
>>>>
>>>> Thanks,
>>>>
>>>> -JB-
>>>
>>
>
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