Why does the RMI port keep changing?

I have set up an RMI server process on a Sun server (SunOS 5.8) and I am running the client process from another Sun server (SunOS 5.9). I created a policy file on the client machine providing access to port 1099 on the server machine.
I kept getting connection refusals, and every time I did, it was on a different port. I changed the policy file to allow any port from 1099 on up in order to get around the problem. I tried to start up the rmiregistry with 1099 as an argument, and that did not help. What's going on?
Jim

(a) You will always get a different client side port, that's normal.
(b) the Registry port is 1099 but RMI servers are exported on a system-selected port unless you specify one. If your Registry and RMI servers are in the same JVM they can share ports

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Why does the RMI port keep changing?

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