Test java/net/ServerSocket/AcceptCauseFileDescriptorLeak.java failed intermittently in nightly

TESTFAIL:java/net/ServerSocket/AcceptCauseFileDescriptorLeak.java

The test java/net/ServerSocket/AcceptCauseFileDescriptorLeak.java failed intermittently in nightly, see log:

#section:shell
----------messages:(3/155)----------
command: shell AcceptCauseFileDescriptorLeak.sh
reason: User specified action: run shell AcceptCauseFileDescriptorLeak.sh
elapsed time (seconds): 480.067
----------System.out:(0/0)----------
----------System.err:(0/0)----------
----------rerun:(19/822)*----------
DISPLAY=sc11152338.us.oracle.com:1 \\
HOME=/Users/aurora \\
LANG=en_US.UTF-8 \\
LC_ALL=en_US.UTF-8 \\
PATH=/bin:/usr/bin \\
TZ=PST8PDT \\
TESTSRC=/Users/aurora/sandbox/testbase/test/java/net/ServerSocket \\
TESTSRCPATH=/Users/aurora/sandbox/testbase/test/java/net/ServerSocket \\
TESTCLASSES=/Users/aurora/sandbox/gresults/testoutput/jdk_net/JTwork/classes/java/net/ServerSocket \\
TESTCLASSPATH=/Users/aurora/sandbox/gresults/testoutput/jdk_net/JTwork/classes/java/net/ServerSocket \\
COMPILEJAVA=/Users/aurora/CommonData/jdk \\
TESTJAVA=/Users/aurora/CommonData/jdk \\
'TESTVMOPTS=-ea -esa -Xmx512m' \\
'TESTTOOLVMOPTS=-J-ea -J-esa -J-Xmx512m' \\
TESTJAVACOPTS= \\
TESTJAVAOPTS=-d64 \\
TESTTIMEOUTFACTOR=4.0 \\
    sh \\
        /Users/aurora/sandbox/testbase/test/java/net/ServerSocket/AcceptCauseFileDescriptorLeak.sh
result: Error. Program `sh' interrupted! (timed out?)


test result: Error. Program `sh' interrupted! (timed out?)