RFR: JDK-8220295: sun/tools/jps/TestJps.java still timing out

[gary.adams at oracle.com]

Neither of these tests has been reproduced under controlled conditions.
On recent test runs, I've been more likely to see a jstat or jstatd test 
failing.

On 3/11/19 2:49 PM, Chris Plummer wrote:
> Have you been able to reliably reproduce either of these issues?
>
> Chris
>
> On 3/11/19 9:50 AM, Gary Adams wrote:
>> These attach tests interact with all running Java processes.
>> From the logs of the failing tests you can see a few infrastructure
>> Java processes and a number of other Java attaching tests including
>> jinfo, jmap, jstat, etc.
>>
>>   JDK-8220295: sun/tools/jps/TestJps.java still timing out
>>   JDK-8220242: com/sun/tools/attach/TempDirTest.java sometimes times out
>>
>> It's not clear what happens, if these processes are crossing their
>> attach requests. To simplify the interactions, the following change
>> will request the attaching tests to be run non-concurrently.
>> Testing is in progress. If successful, it may be possible to reduce the
>> timeout because a fixed number of Java processes will be running in each
>> test run.
>>
>> diff --git a/test/jdk/TEST.ROOT b/test/jdk/TEST.ROOT
>> --- a/test/jdk/TEST.ROOT
>> +++ b/test/jdk/TEST.ROOT
>> @@ -22,7 +22,7 @@
>>  javax/management sun/awt sun/java2d javax/xml/jaxp/testng/validation 
>> java/lang/ProcessHandle
>>
>>  # Tests that cannot run concurrently
>> -exclusiveAccess.dirs=java/rmi/Naming java/util/prefs 
>> sun/management/jmxremote sun/tools/jstatd sun/security/mscapi 
>> java/util/stream java/util/Arrays/largeMemory java/util/BitSet/stream 
>> javax/rmi
>> +exclusiveAccess.dirs=java/rmi/Naming java/util/prefs 
>> sun/management/jmxremote sun/tools/jstatd sun/tools/jps com/sun/tools 
>> sun/security/mscapi java/util/stream java/util/Arrays/largeMemory 
>> java/util/BitSet/stream javax/rmi
>>  # Group definitions
>>  groups=TEST.groups
>
>
>