RFR(S): 8081037: serviceability/sa/ tests time out on Windows
Magnus Ihse Bursie
magnus.ihse.bursie at oracle.com
Mon Jun 1 09:55:40 UTC 2015
On 2015-05-28 16:45, Yekaterina Kantserova wrote:
> due to https://bugs.openjdk.java.net/browse/JDK-8081381 I wasn't able
> to push this fix. The problem is LingeredApp.java contains JDK 9
> feature java.lang.Process.getPid() but the test library is compiled
> with JDK 8 today. This issue is not trivial to solve so I suggest a
> temporary fix to test/lib/Makefile.
> webrev root: http://cr.openjdk.java.net/~ykantser/8081037/webrev.01
The temporary fix looks good from a build perspective, I guess, as long
as you're satisfied with the lib including just the files in hprof.
It looks like https://bugs.openjdk.java.net/browse/JDK-8081381 is in the
intersection between hotspot testing and the build infrastructure.
Please keep us in the loop when discussion solutions to that.
> On 05/27/2015 03:02 PM, Yekaterina Kantserova wrote:
>> Could I please have a review of this fix.
>> bug: https://bugs.openjdk.java.net/browse/JDK-8081037
>> webrev root: http://cr.openjdk.java.net/~ykantser/8081037/webrev.00
>> webrev jdk: http://cr.openjdk.java.net/~ykantser/8081037.jdk/webrev.00
>> webrev hotspot:
>> From the bug:
>> "The problem is most likely that SA will pause the target process
>> while it is running. In this case, the target process is the same as
>> the process that launched SA. That process is also handling the
>> output from SA over a pipe, but when that pipe fills up the process
>> cannot empty it and the SA process is blocked because it cannot write
>> any more output. Deadlock."
>> The solutions is to start a separate target process. Dmitry Samersoff
>> has already created a test application for such cases so I've decided
>> to move it on the top level library instead of duplicating it. The
>> test application will reside under
>> test/lib/share/classes/jdk/test/lib/apps and the test under
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