Bug in DatagramChannel close?

Question

The following code leaves an open (unbound UDP) socket on Linux and Solaris with J2SE 1.4.2_08 and JDK 1.5.0_03.
DatagramChannel dc = DatagramChannel.open();
dc.socket().bind(new InetSocketAddress(12345));
dc.close();
Is this a bug in Java or am I missing something?

Answer 1

I have verified that the following code leaves a socket open on Linux with 1.4.2_08:
DatagramChannel dc = DatagramChannel.open();
DatagramSocket ds = dc.socket();
ds.close();
dc.close();
The socket left open is the one created with the dc.socket() call. It is closed only after a full GC run (probably when the DatagramSocket is finalized), so I have to modify my application to call System.gc periodically. I'm not too happy with this workaround :(