This test is failing consistently with jdk8/tl jobs in JPRT. It's also failing in the TL nighly. Not clear whether this is a test or jtreg issue. Attached is a sample failure from JPRT.

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TEST: tools/launcher/DefaultLocaleTestRun.java
JDK under test: (C:\temp\jprt\P1\104139~1.ALB\TESTPR~1\WINDOW~1.2-P)
java version "1.8.0-internal"
Java(TM) SE Runtime Environment (build 1.8.0-internal-201201221041.albatem.jdk-b00)
Java HotSpot(TM) 64-Bit Server VM (build 23.0-b10, mixed mode)


ACTION: compile -- Passed. Compilation successful
REASON: User specified action: run compile -XDignore.symbol.file DefaultLocaleTest.java TestHelper.java
TIME: 0.078 seconds
messages:
command: compile -XDignore.symbol.file C:\temp\jprt\P1\104139.albatem\source\test\tools\launcher\DefaultLocaleTest.java C:\temp\jprt\P1\104139.albatem\source\test\tools\launcher\TestHelper.java
reason: User specified action: run compile -XDignore.symbol.file DefaultLocaleTest.java TestHelper.java
elapsed time (seconds): 0.078

ACTION: build -- Passed. Build successful
REASON: Named class compiled on demand
TIME: 0.016 seconds
messages:
command: build DefaultLocaleTestRun
reason: Named class compiled on demand
elapsed time (seconds): 0.016

ACTION: compile -- Passed. Compilation successful
REASON: .class file out of date or does not exist
TIME: 0.016 seconds
messages:
command: compile C:\temp\jprt\P1\104139.albatem\source\test\tools\launcher\DefaultLocaleTestRun.java
reason: .class file out of date or does not exist
elapsed time (seconds): 0.016

ACTION: main -- Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Test failed
REASON: User specified action: run main DefaultLocaleTestRun
TIME: 0.375 seconds
messages:
command: main DefaultLocaleTestRun
reason: User specified action: run main DefaultLocaleTestRun
elapsed time (seconds): 0.375
STDOUT:
[Error: Could not find or load main class DefaultLocaleTest]
[Error: Could not find or load main class DefaultLocaleTest]
STDERR:
java.lang.RuntimeException: Test failed
at DefaultLocaleTestRun.main(DefaultLocaleTestRun.java:53)
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:474)
at com.sun.javatest.regtest.MainAction$SameVMRunnable.run(MainAction.java:680)
at java.lang.Thread.run(Thread.java:722)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test


TEST RESULT: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Test failed
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