Hello , I am developing simple GWT application with EJB 3.0 ,and user Apache Maven 3.0 , but my porblem is that when i try to call some ejb method from rpc method it fails with error:
2010-12-03 18:26:34,698 ERROR [org.apache.catalina.core.ContainerBase. [jboss.web].[localhost].[/gwt-mvc-ui]] Exception while dispatching incoming RPC call com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract java.lang.String david.chokhonelidze.gwt.mvc.ui.client.ApplicationService.addCustomer(java.lang.String)' threw an unexpected exception: java.lang.NullPointerException at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java: 378) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: 581) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java: 207) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java: 243) at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java: 62) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java: 96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java: 235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java: 230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java: 175) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java: 182) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java: 84) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java: 127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java: 102) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java: 157) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java: 109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java: 262) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java: 844) at org.apache.coyote.http11.Http11Protocol $Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java: 446) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.NullPointerException at david.chokhonelidze.gwt.mvc.ui.server.ApplicationServiceImpl.addCustomer(ApplicationServiceImpl.java: 26) 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:597) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java: 562) ... 23 more I see that it cant inject my ejb, so what is solution? -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.