TESTFAIL:closed/com/oracle/jfr/compiler/CompilerPhaseTest.java

closed/com/oracle/jfr/compiler/CompilerPhaseTest.java fails intermittently.

Below is one example log to show the failure:

javatestOS=Linux 2.6.18-238.0.0.0.1.el5xen (i386)
javatestVersion=4.4
jtregVersion=jtreg 4.1 fcs b06
script=com.sun.javatest.regtest.RegressionScript
sections=script_messages build build compile main
start=Wed Aug 07 19\:17\:28 PDT 2013
test=closed/com/oracle/jfr/compiler/CompilerPhaseTest.java
user.name=aurora
work=/Users/aurora/sandbox/gresults/testoutput/jdk_jfr/JTwork/closed/com/oracle/jfr/compiler

#section:script_messages
----------messages:(5/216)----------
JDK under test: (/Users/aurora/sandbox/jdk)
java version "1.8.0-ea"
Java(TM) SE Runtime Environment (build 1.8.0-ea-langtools-nightly-h5338-20130807-b102-b00)
Java HotSpot(TM) Server VM (build 25.0-b44, mixed mode)


#section:build
----------messages:(3/133)----------
command: build jrockit.jfr.ParseHelper
reason: User specified action: run build jrockit.jfr.ParseHelper
elapsed time (seconds): 0.0
result: Passed. All files up to date

#section:build
----------messages:(3/102)----------
command: build CompilerPhaseTest
reason: Named class compiled on demand
elapsed time (seconds): 0.063
result: Passed. Build successful

#section:compile
----------messages:(3/214)----------
command: compile -XDignore.symbol.file=true /Users/aurora/sandbox/testbase/test/closed/com/oracle/jfr/compiler/CompilerPhaseTest.java
reason: .class file out of date or does not exist
elapsed time (seconds): 0.063
----------direct:(2/185)----------
Note: /Users/aurora/sandbox/testbase/test/closed/com/oracle/jfr/compiler/CompilerPhaseTest.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
result: Passed. Compilation successful

#section:main
----------messages:(3/245)----------
command: main -XX:+UnlockCommercialFeatures -XX:+FlightRecorder -server CompilerPhaseTest
reason: User specified action: run main/othervm -XX:+UnlockCommercialFeatures -XX:+FlightRecorder -server CompilerPhaseTest
elapsed time (seconds): 0.649
----------System.out:(0/0)----------
----------System.err:(13/729)----------
java.lang.Exception: Expected at least one event.
at CompilerPhaseTest.main(CompilerPhaseTest.java:43)
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:491)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:724)

JavaTest Message: Test threw exception: java.lang.Exception: Expected at least one event.
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Exception: Expected at least one event.
result: Failed. Execution failed: `main' threw exception: java.lang.Exception: Expected at least one event.