<Sound Dev> [9] Review Request: 8148915: Intermittent failures of bug6400879.java

Alex Menkov alexey.menkov at oracle.com
Thu May 19 12:54:12 UTC 2016

Looks good to me.


On 19.05.2016 15:11, Sergey Bylokhov wrote:
> Hello, Audio Guru.
> Please review the small fix for unstable test reported by mach5 in jdk9.
> The test has two issues:
>  - It uses System.currentTimeMillis() which can be affected by the
> system time change. Replaced by System.nanoTime().
>  - It maintains its own timeout(5 seconds) to catch the hang of the
> test. It was found that on some overloaded system this period is not
> enough(on the tested system was necessary to increase it to 30-40
> seconds or it will fail a few times per 1000 executions). I removed this
> internal timeout from the test(it is provided as the warning now), and
> relies on jtreg default timeout. It has a benefit that when the test
> hangs the jtreg will provide a jstack output which will be useful to
> understand where is the problem.
> Bug: https://bugs.openjdk.java.net/browse/JDK-8148915
> Webrev can be found at: http://cr.openjdk.java.net/~serb/8148915/webrev.00/

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