Socket usage in PlainSocketImpl.initProto()

[Jeffrey Sinclair]

net-dev,

Would someone be able to help me with this query?

I don't think there is anything wrong, I'm just curious.

Jeff

On Wed, 2009-12-23 at 19:18 +0000, Alan Bateman wrote:
> Jeffrey Sinclair wrote:
> > hotspot-dev,
> >
> > I've been looking at the lsof output of my hotspot process and noticed
> > the following:
> >
> > java    14429 jeffsinc    8r  sock     0,4             3932632 can't
> > identify protocol
> >
> > The above appears on the first ServerSocket that is ever opened and
> > remains after all ServerSockets have been closed. After a little
> > investigation I've found that the socket is opened in the initialization
> > of the PlainSocketImpl class, specifically in the native initProto()
> > method.
> >
> > I'm curious to know what is done in the network stack initialization
> > phase that requires a socket to be opened as well as for the socket to
> > remain open thereafter.
> >
> > Jeff
> >   
> This sounds like the loopback connection that is used for the 
> asynchronous close mechanism. You might want to bring this up on the 
> net-dev mailing list to get more details.
> 
> -Alan
>