jmx-dev RFR: 8020875 java/lang/management/ThreadMXBean/ResetPeakThreadCount.java fails intermittently

[Mandy Chung]

On 7/24/2013 4:50 PM, shanliang wrote:
> So we have 2 kinds of issues here:
> 1) the test related, like Thread state checking, we can fix them in 
> the test
> 2) MBean.getThreadCount() issue, we can create a bug to trace it (add 
> your test case to the bug), and add a workaround (sleep or call 2 
> times) in the test to make the test pass. Mandy is the expert and 
> better to get her opinion. 

It's probably a race in the VM implementation in determining the thread 
count.   You will need to diagnose the VM implementation and compare the 
thread list and the implementation of getting the thread count (check 
hotspot/src/share/vm/services/threadService.cpp)

Mandy