RFR of JDK-8233313: server socket created by LocateRegistry.createRegistry(0) can not be closed

[Hamlin Li]

This is found during fixing JDK-8233105 
<https://bugs.openjdk.java.net/browse/JDK-8233105>, so please consider 
test scenario in JDK-8233105 
<https://bugs.openjdk.java.net/browse/JDK-8233105>

On 2019/11/1 12:47 PM, Hamlin Li wrote:
> Would you please to review the following patch?
>
> bug: https://bugs.openjdk.java.net/browse/JDK-8233313, 
> https://bugs.openjdk.java.net/browse/JDK-8233105
>
> webrev: http://cr.openjdk.java.net/~mli/8233313/webrev.00/
>
> With following code, port used behind is not closed after unexportObject
>
> /Registry registry = LocateRegistry.createRegistry(0);//
> //boolean b = UnicastRemoteObject.unexportObject(registry, true);/
>
> But, the port can be closed if pass in an explicit port number to 
> createRegistry.
>
> I think is not right and is a resource leak.
>
>
> Thank you
>
> -Hamlin
>