If you're running Tomcat under JDK 1.2.2+, look at the Tomcat link
on the jBoss web page. You can ignore most of it, since it's intended for
people running jBoss and Tomcat in the same VM, but there is a section on
adding a JDK 1.2 request interceptor to Tomcat's server.xml that you
should follow. This will fix your ClassLoader problems.
Aaron
On Wed, 13 Sep 2000, Chris Audley wrote:
> 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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