Hi all, I am trying to develop a webservice for jbpm. In this case I am using stateless session EJB and I have exposed it as a webservice .
EJB has business method -> processDefinitionNames() Which is a very basic method (not at all fancy! Just returns the String of all processDefinitions()) anonymous wrote : | | | | public String processDefinitionNames() { | | // TODO Auto-generated method stub | | String processDefinitionNames = "ECSPUT\n"; | | JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext(); | | java.util.List processDefinitions = jbpmContext.getGraphSession().findAllProcessDefinitions(); | | | | if (processDefinitions.isEmpty() == false) { | | java.util.ListIterator listProcessDefinitions = processDefinitions | | .listIterator(); | | | | while (listProcessDefinitions.hasNext()) { | | | | ProcessDefinition processDefinition = (ProcessDefinition) listProcessDefinitions | | .next(); | | processDefinitionNames = processDefinitionNames | | + processDefinition.getName() | | + "\n"; | | } | | } | | return processDefinitionNames; | | } | | However for jbpmContext.getGraphSession().findAllProcessDefinitions(); I get following error when I try to use processDefinitionNames() method in my SOAP client anonymous wrote : 14:37:58,187 ERROR [ServerEngine] Server error: AxisFault | | faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Client | | faultSubcode: | | faultString: RuntimeException; nested exception is: | | java.lang.NullPointerException | | faultActor: | | faultNode: | | faultDetail: | | {http://xml.apache.org/axis/}stackTrace: java.rmi.ServerException: RuntimeException; nested exception is: | | java.lang.NullPointerException | | at org.jboss.ejb.plugins.LogInterceptor.handleException(LogInterceptor.java:400) | | at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:210) | | at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136) | | at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:643) | | at org.jboss.ejb.Container.invoke(Container.java:917) | | 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:585) | | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | | at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) | | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:260) | | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | | at org.jboss.webservice.server.InvokerProviderEJB.invokeServiceEndpoint(InvokerProviderEJB.java:144) | | at org.jboss.webservice.server.InvokerProvider.invokeMethod(InvokerProvider.java:327) | | at org.jboss.axis.providers.java.RPCProvider.invokeTarget(RPCProvider.java:176) | | at org.jboss.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:121) | | at org.jboss.axis.providers.java.JavaProvider.invoke(JavaProvider.java:358) | | at org.jboss.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:73) | | at org.jboss.axis.SimpleChain.doVisiting(SimpleChain.java:160) | | at org.jboss.axis.SimpleChain.invoke(SimpleChain.java:123) | | at org.jboss.axis.handlers.soap.SOAPService.invoke(SOAPService.java:560) | | at org.jboss.webservice.server.ServerEngine.invokeInternal(ServerEngine.java:215) | | at org.jboss.webservice.server.ServerEngine.invoke(ServerEngine.java:104) | | at org.jboss.axis.transport.http.AxisServlet.doPost(AxisServlet.java:911) | | at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) | | at org.jboss.axis.transport.http.AxisServletBase.service(AxisServletBase.java:370) | | at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) | | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | | at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:54) | | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:174) | | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) | | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) | | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) | | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868) | | at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663) | | at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | | at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | | at java.lang.Thread.run(Thread.java:595) | | Caused by: java.lang.NullPointerException | | at com.exegenix.ExegenixWork1Bean.processDefinitionNames(ExegenixWork1Bean.java:111) | | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) | | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | | at java.lang.reflect.Method.invoke(Method.java:585) | | at org.jboss.invocation.Invocation.performCall(Invocation.java:359) | | at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:228) | | at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158) | | at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:169) | | at org.jboss.webservice.server.ServiceEndpointInterceptor.invoke(ServiceEndpointInterceptor.java:126) | | at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63) | | at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121) | | at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350) | | at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181) | | at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:168) | | at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:206) | | ... 46 more | | | | Can any one suggest me something? Thanks and Regards View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3934491#3934491 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3934491 ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user