I have a core java application with standalone jax-ws enabled. It's running very well at the beginning until I found there is a big bug in jdk build-in light weight http server.
The server will create several loop back connections when the server startup. Whenever there is an invalid wsdl call, the standalone server will create a couple more of loop back connections.
Please refer to my video illustrating the problem:
I have report the issue (with the testing source code attached) to sun and post the problem to jax-ws forum: