Peter, Eung-Ju,
>On Mon, 14 Jan 2002 15:51, Eung-ju Park wrote:
>
>>I write RMIfication, RMIficationListener and simple demo.
>>I run RMIHelloWorldServer. I meet StubNotFoundException.
>>RMIfication find proxy wrapped version block instance...
>>How do I solve this problem?
>>
>
>At the moment it is not possible for one Block to get access to another Block
>directly unless it is passed to them. This is to make sure the Blocks are not
>used after they have been disposed or in manners unexpected by developers.
>
>I will have a look at this a bit to see if there is a good solution to it all.
>
That might be useful for some apps where speed across block boundaries
is key.
Eung-Ju's error is :
Caused by: java.rmi.StubNotFoundException: Stub class not found:
$Proxy1_Stub; nested exception is:
java.lang.ClassNotFoundException: $Proxy1_Stub
at sun.rmi.server.RemoteProxy.getStub(RemoteProxy.java:101)
at sun.rmi.server.RemoteProxy.getStub(RemoteProxy.java:58)
at
sun.rmi.server.UnicastServerRef.setSkeleton(UnicastServerRef.java:182)
at
sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:145)
at
sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:132)
at
java.rmi.server.UnicastRemoteObject.exportObject(UnicastRemoteObject.java:278)
at
java.rmi.server.UnicastRemoteObject.exportObject(UnicastRemoteObject.java:181)
at
java.rmi.server.UnicastRemoteObject.exportObject(UnicastRemoteObject.java:158)
at
org.apache.avalon.cornerstone.blocks.rmification.DefaultRMIfication.publish(DefaultRMIfication.java:71)
I think if service interface were just an interface and an RMI adapter
were also written for the service then it could work well as is.
// this is the service that Phoenix makes a block for
public interface HelloWorldServer {
String sayHello( final String yourName )
}
// remote client uses this
public interface RMIHelloWorldServer extends Remote {
String sayHello( final String yourName ) throws RemoteException
throws RemoteException;
}
// The RMIPublisher block knows the name of this class as it is passed in.
// It instantiates it using reflection and publishes it through
exportObject.....
public class RMIHelloWorldServerAdapter implements RMIHelloWorldServer {
private HelloWorldServer mHelloWorldServer;
public RMIHelloWorldServerAdapter(HelloWorldServer helloWorldServer) {
mHelloWorldServer = helloWorldServer
}
String sayHello( final String yourName ) throws RemoteException
throws RemoteException {
mHelloWorldServer.sayHello(yourName);
}
}
Regards,
- Paul H
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