Hello,
I am running JBoss 3.1.0alpha(200204181002) on Win2k SP2 with jdk 1.4.
I have a problem, and I do not know what it is related to, my application or JBoss.
Let me explain:
I have n CMP 2.x entity beans with local interfaces. For testing purposes, I use a
stateless session bean to access those entity beans. This session bean itself is
instanciated within a servlet.
Here is the code used in the servlet init method:
InitialContext jndiContext = new InitialContext();
Object ref = jndiContext.lookup("ejb/ServiceBean");
ServiceBeanHome home = (ServiceBeanHome) PortableRemoteObject.narrow(ref,
ServiceBeanHome.class );
target = home.create();
My ejb-jar.xml is ok, my web.xml defines an ejb-ref which in turn is defined in
jboss-web.xml. As a matter of fact, everything works fine on first deployment.
The problem is that if I modify the ear file, and then redeploy it, I get a
ClassCastException on PortableRemoteObject.narrow.
I read a bug report a while ago (#516684) which was related to a problem looking like
this one. There was a patch by David Jencks which consisted in using the remote
interface ClassLoader to get the class descriptor instead of the one in the loading
thread. But it does not work here, the problem remains.
I tought it was related to my own code, but then why would it work on first deploy,
and not after redeploy ?
Could it be anything related to the ClassLoader ? Or is there anything else that needs
to be configured inside JBoss when using servlets ?
Thanks,
Jerome.
2002-04-18 12:38:59,510 ERROR [STDERR] java.lang.ClassCastException
2002-04-18 12:38:59,510 ERROR [STDERR] at
com.sun.corba.se.internal.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:293)
2002-04-18 12:38:59,510 ERROR [STDERR] at
javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:134)
2002-04-18 12:38:59,510 ERROR [STDERR] at mypackage.init(MyServlet.java:37)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.jetty.servlet.ServletHolder.getServlet(ServletHolder.java:261)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:308)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:595)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.http.HttpContext.handle(HttpContext.java:1357)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.http.HttpContext.handle(HttpContext.java:1309)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.http.HttpServer.service(HttpServer.java:744)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.jboss.jetty.Jetty.service(Jetty.java:527)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.http.HttpConnection.service(HttpConnection.java:743)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:916)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.http.HttpConnection.handle(HttpConnection.java:758)
2002-04-18 12:38:59,510 ERROR [STDERR] at
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:145)
2002-04-18 12:38:59,520 ERROR [STDERR] at
org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:287)
2002-04-18 12:38:59,520 ERROR [STDERR] at
org.mortbay.util.ThreadPool$JobRunner.run(ThreadPool.java:715)
2002-04-18 12:38:59,520 ERROR [STDERR] at java.lang.Thread.run(Thread.java:536)
* * *
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