Hi,
I'm using <jsp-file> instead of <servlet-class> in tag...
Under JBoss-2.4.3_Tomcat-3.2.3 it works fine, however under jboss-3.0.0_tomcat-4.0.3 I get

11:29:18,791 ERROR [Engine] StandardContext[/CobraFlowApps]: Servlet /CobraFlowApps threw load() exception
javax.servlet.ServletException: No servlet class has been specified for servlet common
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:840)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:808)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3266)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3395)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:785)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:454)
at org.jboss.web.catalina.EmbeddedCatalinaServiceSX.createWebContext(EmbeddedCatalinaServiceSX.java:321)
at org.jboss.web.catalina.EmbeddedCatalinaServiceSX.performDeploy(EmbeddedCatalinaServiceSX.java:238)
at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:300)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:678)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:513)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:481)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
at org.jboss.util.jmx.MBeanProxy.invoke(MBeanProxy.java:174)
at $Proxy4.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:405)
at org.jboss.deployment.scanner.URLDeploymentScanner.scanDirectory(URLDeploymentScanner.java:586)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:465)
at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:237)
at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:162)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:894)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:340)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
at org.jboss.util.jmx.MBeanProxy.invoke(MBeanProxy.java:174)
at $Proxy3.start(Unknown Source)
at org.jboss.deployment.SARDeployer.start(SARDeployer.java:243)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:678)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:513)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:481)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:465)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:491)
at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:314)
at org.jboss.system.server.ServerImpl.start(ServerImpl.java:216)
at org.jboss.Main.boot(Main.java:142)
at org.jboss.Main$1.run(Main.java:375)
at java.lang.Thread.run(Thread.java:536)
11:29:18,801 INFO [Engine] StandardWrapper[/CobraFlowApps:definer]: Marking servlet definer as unavailable

Any ideas?

Thanks

Lewis