struts and Jrun 3.0

[Rama Krishna]

is there any problem with JRun 3.0 and struts. cause my development m/c has JRun 3.1 and everything worked fine. when i tried to put it on staging with JRun 3.0   is it like JRun 3.0 doesn't work with struts or ???     it gives me the following error:   javax.servlet.ServletException: null java.lang.AbstractMethodError at allaire.jrun.jsp.JSPServlet.servletNeedsCreating(JSPServlet.java:312) at allaire.jrun.jsp.JSPServlet.loadPage(JSPServlet.java:188) at allaire.jrun.jsp.JSPServlet.service(JSPServlet.java:168) at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013) at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925) at allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java:88) at org.apache.struts.action.ActionServlet.processActionForward(ActionServlet.java:1747) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1584) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:490) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:865) at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013) at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925) at allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.java:88) at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1131) at allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:330) at allaire.jrun.jrpp.ProxyEndpoint.run(ProxyEndpoint.java:354) at allaire.jrun.ThreadPool.run(ThreadPool.java:267) at allaire.jrun.WorkerThread.run(WorkerThread.java:74) thanks, rama.