Test is failing sometimes on 64bit Linux Fedora 9 systems, java/lang/management/ThreadMXBean/ResetPeakThreadCount.java

test is run as 'othervm' test so it's not clear why it sometimes passes, sometimes fails.


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TEST: java/lang/management/ThreadMXBean/ResetPeakThreadCount.java
JDK under test: (/tmp/jprt/P2/T/154735.ohair/testproduct/linux_x64_2.6-product)
java version "1.7.0-201005091547.ohair.jdk"
Java(TM) SE Runtime Environment (build 1.7.0-201005091547.ohair.jdk-jprtadm_2010_05_09_08_52-b00)
Java HotSpot(TM) 64-Bit Server VM (build 18.0-b04, mixed mode)

ACTION: build -- Passed. Build successful
REASON: User specified action: run build ResetPeakThreadCount
TIME: 0.023 seconds
messages:
command: build ResetPeakThreadCount
reason: User specified action: run build ResetPeakThreadCount
elapsed time (seconds): 0.023

ACTION: compile -- Passed. Compilation successful
REASON: .class file out of date or does not exist
TIME: 0.023 seconds
messages:
command: compile /tmp/jprt/P2/T/154735.ohair/source/test/java/lang/management/ThreadMXBean/ResetPeakThreadCount.java
reason: .class file out of date or does not exist
elapsed time (seconds): 0.023

ACTION: build -- Passed. All files up to date
REASON: User specified action: run build ThreadDump
TIME: 0.0 seconds
messages:
command: build ThreadDump
reason: User specified action: run build ThreadDump
elapsed time (seconds): 0.0

ACTION: build -- Passed. All files up to date
REASON: Named class compiled on demand
TIME: 0.0 seconds
messages:
command: build ResetPeakThreadCount
reason: Named class compiled on demand
elapsed time (seconds): 0.0

ACTION: main -- Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Current Peak = 16 Expected to be == previous peak = 11 + 4
REASON: User specified action: run main/othervm ResetPeakThreadCount
TIME: 0.309 seconds
messages:
command: main ResetPeakThreadCount
reason: User specified action: run main/othervm ResetPeakThreadCount
elapsed time (seconds): 0.309
STDOUT:
Starting 8 threads....
   Current = 13 Peak before = 5 after: 13
   Live thread count before returns 13
Terminating 4 threads....
   Live thread count before returns 9
Starting 2 threads....
   Current = 11 Peak before = 13 after: 13
   Live thread count before returns 11
Reset peak before = 13 current = 11 after reset peak = 11 current = 11
Starting 4 threads....
   Current = 15 Peak before = 11 after: 16
STDERR:
java.lang.RuntimeException: Current Peak = 16 Expected to be == previous peak = 11 + 4
at ResetPeakThreadCount.startThreads(ResetPeakThreadCount.java:141)
at ResetPeakThreadCount.main(ResetPeakThreadCount.java:99)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:613)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:717)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Current Peak = 16 Expected to be == previous peak = 11 + 4
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Current Peak = 16 Expected to be == previous peak = 11 + 4

TEST RESULT: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Current Peak = 16 Expected to be == previous peak = 11 + 4
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