I've implemented a simple stateless session EJB for jBoss and successfully
deployed it. I have a simple test program and I'm able to connect to the
bean with no problem. However, now that I'm trying to run the bean from
Tomcat, I'm experiencing class loader problems. I'm running tomcat
separately from jBoss, but on the same machine ( RH Linux 6.1 with Sun jdk
1.3 from 9/7 ).
I can connect to JnP with no problem, but when I try to lookup the Home
interface I get a class not found exception. I can see from the stack trace
( below ) that the rmi code is trying to find the home interface in the
CLASSPATH classloader, not the webapp specific class loader.
Can anyone think of a solution to this problem?
Cheers
Chris Audley
LocationService naming context unavailable -
javax.naming.CommunicationException. Root exception is
java.lang.ClassNotFoundException: com.ufexpress.addr.LocationServiceHome
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:195)
at
sun.rmi.server.MarshalInputStream.resolveProxyClass(MarshalInputStream.java:
183)
at
java.io.ObjectInputStream.inputProxyClassDescriptor(ObjectInputStream.java:9
82)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at
java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1186)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at java.rmi.MarshalledObject.get(MarshalledObject.java:138)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:284)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:265)
at javax.naming.InitialContext.lookup(InitialContext.java:350)
at java.lang.reflect.Method.invoke(Native Method)
at
com.ufexpress.retail.PooledInitialContext.invoke(PooledInitialContext.java:1
08)
at $Proxy0.lookup(Unknown Source)
at
com.ufexpress.retail.OrderEntryAction.perform(OrderEntryAction.java:97)
at
org.apache.struts.action.ActionServlet.processActionInstance(ActionServlet.j
ava:793)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:702)
at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:332)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:387)
at org.apache.tomcat.core.Handler.service(Handler.java:263)
at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371)
at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:74
9)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:695)
at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:207)
at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:403)
at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
at java.lang.Thread.run(Thread.java:484)
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