This test failed once with 9-dev nighlty b72_2015-07-06-1600_2963. I can't reproduce the failure with repeated runs (20 + times) on the same machine.

Please see the following test output:

----------messages:(3/177)----------
command: main -Dsun.net.httpserver.idleInterval=4 Test5
reason: User specified action: run main/othervm -Dsun.net.httpserver.idleInterval=4 Test5
elapsed time (seconds): 3.419
----------System.out:(1/8)----------
Test5:
----------System.err:(14/740)----------
java.lang.RuntimeException: wrong string result
at Test5.doClient(Test5.java:148)
at Test5.main(Test5.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:502)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:745)