Hi, I am a newbier to Drools. The BRMS war file is downloaded from http://download.jboss.org/drools/release/4.0.7.19894.GA/drools-4.0.7-brms.zi p The deploy goes fine with no errors on WAS 6.1, but the when I hit the url http://localhost:9081/drools-jbrms/index.jsp I get an exception on the console as [drools-jbrmsEAR#drools-jbrms.war] [/drools-jbrms] [Servlet.LOG]: Exception while dispatching incoming RPC call: java.lang.NullPointerException at org.jboss.seam.remoting.gwt.GWTToSeamAdapter.callWebRemoteMethod(GWTToSeamAd apter.java:67) at org.jboss.seam.remoting.gwt.GWTRemoteServiceServlet.processCall(GWTRemoteSer viceServlet.java:290) at org.jboss.seam.remoting.gwt.GWTRemoteServiceServlet.doPost(GWTRemoteServiceS ervlet.java:172) at javax.servlet.http.HttpServlet.service(HttpServlet.java:763) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:9 66) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:9 07) at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain. java:145) at org.jboss.seam.web.ContextFilter$1.process(ContextFilter.java:42) at org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServle tRequest.java:46) at org.jboss.seam.web.ContextFilter.doFilter(ContextFilter.java:37) at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstance Wrapper.java:190) at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain. java:130) at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain .java:87) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterMana ger.java:701) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterMana ger.java:646) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper. java:475) at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrappe r.java:463) at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3129) at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:238) at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811) at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1433) at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:93) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(Ht tpInboundLink.java:465) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(Ht tpInboundLink.java:394) at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLRea dCallback.java:102) at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioRea dCompletionListener.java:152) at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java :213) at com.ibm.io.async.AbstractAsyncFuture.fireCompletionActions(AbstractAsyncFutu re.java:195) at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136) at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:194) at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:741 ) at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:863) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1510) Can anybody please help? Thanks !