test/com/sun/net/httpserver/Test9a.java fails intermittently

TESTFAIL:com/sun/net/httpserver/Test9a.java

Observed in JPRT with TL latest (jdk7-b137 + TL changes for b140).

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TEST: com/sun/net/httpserver/Test9a.java
JDK under test: (/tmp/jprt/P3/T/103438.ab23780/testproduct/solaris_sparc_5.10-product)
java version "1.7.0-internal"
Java(TM) SE Runtime Environment (build 1.7.0-internal-201104141034.ab23780.jdk-b00)
Java HotSpot(TM) Client VM (build 21.0-b07, mixed mode)

ACTION: build -- Passed. Build successful
REASON: Named class compiled on demand
TIME: 0.093 seconds
messages:
command: build Test9a
reason: Named class compiled on demand
elapsed time (seconds): 0.093

ACTION: compile -- Passed. Compilation successful
REASON: .class file out of date or does not exist
TIME: 0.091 seconds
messages:
command: compile /tmp/jprt/P3/T/103438.ab23780/source/test/com/sun/net/httpserver/Test9a.java
reason: .class file out of date or does not exist
elapsed time (seconds): 0.091

ACTION: main -- Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: error
REASON: User specified action: run main/othervm Test9a
TIME: 5.331 seconds
messages:
command: main Test9a
reason: User specified action: run main/othervm Test9a
elapsed time (seconds): 5.331
STDOUT:
Test9a:
STDERR:
java.lang.RuntimeException: error
at Test9a.main(Test9a.java:87)
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:601)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:722)

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

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: error

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