java/rmi/Naming/DefaultRegistryPort.java fails intermittently.

----------System.err:(47/2976)----------
Starting registry on default port REGISTRY_PORT=1099
Failed to create a registry, try using existing one
Found registry=RegistryImpl_Stub[UnicastRef [liveRef: [endpoint:[10.133.168.151:1099](remote),objID:[0:0:0, 0]]]]
java.rmi.ConnectException: Connection refused to host: 10.133.168.151; nested exception is:
java.net.ConnectException: Connection refused
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:214)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:200)
at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:342)
at sun.rmi.registry.RegistryImpl_Stub.rebind(Unknown Source)
at DefaultRegistryPort.main(DefaultRegistryPort.java:85)
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$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:591)
at java.net.Socket.connect(Socket.java:540)
at java.net.Socket.<init>(Socket.java:436)
at java.net.Socket.<init>(Socket.java:213)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:144)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
... 11 more
TEST FAILED: Test failed: unexpected exception
TestFailedException: TEST FAILED: Test failed: unexpected exception
at TestLibrary.bomb(TestLibrary.java:121)
at TestLibrary.bomb(TestLibrary.java:124)
at DefaultRegistryPort.main(DefaultRegistryPort.java:106)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:502)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:745)

JavaTest Message: Test threw exception: TestFailedException: TEST FAILED: Test failed: unexpected exception
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: TestFailedException: TEST FAILED: Test failed: unexpected exception