Christopher Hegarty - Sun Microsystems Ireland Christopher.Hegarty at Sun.COM
Fri Dec 5 10:50:39 UTC 2008

Hi Mihamina,

The example code from the tutorial should run fine with OpenJDK. It is a 
simple client and server program exchanging Knock Knock jokes over 

Are you experiencing a specific problem with this example code? Are you 
running a firewall? I notice that the server code is binding to specific 
port. You may need to allow access to accept connections on that port.

If you are having specific problems in the networking area then we 
should continue this thread on net-dev at


Mihamina Rakotomandimby wrote:
> Hi,
> I come back to Java for a specific project.
> I last used it at school (University), with the Sun's Java and we used 
> to install it with the "binary installer" (it was 1.4 in those times).
> Now, at work, we use Ubuntus and we want to install them only with the 
> package manager.
> Ubuntu has openJDK packaged.
> All that things to say: I dont really know the history of openJDK.
> And I have a question:
> What is the compatibility of, for example 
> with openJDK?

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