On Thu, 15 Feb 2001, you wrote:
> this is exactly what Im talking about, tom. Yes, the interface class is
> loaded by the class loader cl, and the object "homeClass" is valid. but when
> you go referring directly to the class (eg. "my.home.interface.class",
> casting to (my.home.interface), declaring a variable my.home.interface if)
> the JVM will not use the class loaded by cl, it will try to load the
> my.home.interface class AGAIN using the defining classloader for whatever
> class we are looking at here. Which will fail because the defining
> classloader cant see my.home.interface.
>
> your code would be fine if the last line read:
> Object if = PortableRemoteObject.narrow( o, homeClass );
But the defining class loader should be the context class loader for the
thread, should it not? Which I have just set to cl.
After some short tests, it would seem this is not the case. In fact, this code
also does not work:
public class DCTest implements Runnable
{
public static void main( String args[] )
throws Throwable
{
java.net.URL urls[] = new java.net.URL[1];
urls[0] = new java.net.URL( args[0] ); // Commandline argument is url
to load classes from
ClassLoader cl = new java.net.URLClassLoader( urls );
System.out.println( "Set class loader and security manager." );
System.out.println( cl.getResource( "org/jboss/logging/Log.class"
).toString() );
Class homeClass = cl.loadClass( "org.jboss.logging.Log" );
System.out.println( "Class loaded." );
Thread t = new Thread( new DCTest() );
t.setContextClassLoader( cl );
t.start();
while( t.isAlive() );
}
public void run()
{
org.jboss.logging.Log m = new org.jboss.logging.Log();
}
}
again throwing an exception when the direct reference is made. Is there no way
around this, besides using reflection?
Tom
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