Warning about local interface of session bean

[morgan]

I'm getting a warning and I can't quite figure out why. I have a single stateless session bean, for which I've declared a local and remote interface. When I deploy my app (which is in an .ear file), I get the following warning from JBoss 3.0:

Bean : GenerateWDB-EJB
Method : public abstract [B generate(String) throws IOException
Section: 7.10.7
Warning: The methods in the local interface must not include java.rmi.RemoteException in their throws clause.

local interface:

public interface GenerateWDBLocal extends EJBLocalObject {
public byte[] generate( String input ) throws IOException;
}

remote interface:

public interface GenerateWDBRemote extends EJBObject {
public byte[] generate( String input ) throws IOException, RemoteException;
}

bean:

public class GenerateWDBBean extends SessionAdapter {
public byte[] generate( String input ) throws IOException { return( null ); }
}

Any hints or thoughts about where (or how) I might have messed up would be appreciated. ... random thought, could I have done something funky in the deployment descriptors?

Thanks,

:Paul

[morgan]

oh, perhaps I should also have mentioned that if I completely remove the throwing of the IOException, this warning goes away.

Thanks,

:Paul

[morgan]

another data point ... if I replace the IOException with an application exception (of my own making) the warning also goes away. Is the fact that RemoteException is a subclass of IOException creating this warning? Can a local interface throw an IOException?

Thanks,

:Paul