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couldn't load delegation class 'null':
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created by <a href="http://community.jboss.org/people/rajan01">Rajan Bansal</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/603560#603560">View the full discussion</a>
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<div class="jive-rendered-content"><p>My process definition is:::</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><?xml version="1.0" encoding="UTF-8" standalone="yes" ?> </p><p> <process-definition name="Resignation" xmlns="urn:jbpm.org:jpdl-3.2"></p><p> <start-state name="StartNode"></p><p> <event type="node-leave"></p><p>  <action class="com.lupin.l2j.handler.StartHandler" name="startHandlerMethod" /> </p><p>  </event></p><p>  <transition to="Resignation2" name="Resignation2" /> </p><p>  </start-state></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> <state name="Resignation2"></p><p> <event type="node-leave"></p><p>  <action class="com.lupin.l2j.handler.NodeHandler" name="Resignation" /> </p><p>  </event></p><p>  <transition to="Resignation3" name="Resignation3" /> </p><p>  </state></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> <state name="Resignation3"></p><p> <event type="node-leave"></p><p>  <action class="com.lupin.l2j.handler.NodeHandler" name="Resignation" /> </p><p>  </event></p><p>  <transition to="EndNode" name="EndNode" /> </p><p>  </state></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> <end-state name="EndNode"></p><p> <event type="node-leave"></p><p>  <action class="com.lupin.l2j.handler.EndHandler" name="endHandlerMethod" /> </p><p>  </event></p><p>  </end-state></p><p>  </process-definition></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And the class handler for that ::</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>package com.lupin.l2j.handler;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>import org.apache.commons.logging.Log;</p><p>import org.apache.commons.logging.LogFactory;</p><p>import org.jbpm.graph.def.ActionHandler;</p><p>import org.jbpm.graph.exe.ExecutionContext;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class StartHandler implements ActionHandler {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    private static Log log = LogFactory.getLog(StartHandler.class);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    public void execute(ExecutionContext executionContext) throws Exception {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>        System.out.println("StartHandler : execute ::::::::::@#$$%^%&*^*^ ");</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>And I got the following error::</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>09:35:49,272 INFO  [STDOUT] processinstanceid---3641</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>09:35:49,319 WARN  [org.hibernate.engine.StatefulPersistenceContext.ProxyWarnLog] Narrowing proxy to class org.jbpm.graph.node.StartState - this operation breaks ==</p><p>09:35:49,350 ERROR [org.jbpm.instantiation.Delegation] couldn't load delegation class 'null': java.lang.ClassNotFoundException: class 'null' could not be found by the process classloader</p><p>    at org.jbpm.instantiation.ProcessClassLoader.findClass(ProcessClassLoader.java:67)</p><p>    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)</p><p>    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)</p><p>    at org.jbpm.instantiation.Delegation.instantiate(Delegation.java:140)</p><p>    at org.jbpm.instantiation.Delegation.getInstance(Delegation.java:125)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:198)</p><p>    at org.jbpm.instantiation.Delegation_$$_javassist_93.getInstance(Delegation_$$_javassist_93.java)</p><p>    at org.jbpm.graph.def.Action.execute(Action.java:121)</p><p>    at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:255)</p><p>    at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:220)</p><p>    at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:190)</p><p>    at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:174)</p><p>    at org.jbpm.graph.def.Node.leave(Node.java:381)</p><p>    at org.jbpm.graph.node.StartState.leave(StartState.java:70)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:198)</p><p>    at org.jbpm.graph.def.Node_$$_javassist_160.leave(Node_$$_javassist_160.java)</p><p>    at org.jbpm.graph.exe.Token.signal(Token.java:194)</p><p>    at org.jbpm.graph.exe.Token.signal(Token.java:139)</p><p>    at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:270)</p><p>    at com.lupin.l2j.jbpm.ProcessInitiator.initiateProcessInstance(ProcessInitiator.java:37)</p><p>    at com.lupin.l2j.dao.resignation.ResignationDao.insertNew(ResignationDao.java:60)</p><p>    at com.lupin.l2j.service.resignation.ResignationService.insertNew(ResignationService.java:52)</p><p>    at com.lupin.l2j.controller.resignation.ResignationController.insertResignation(ResignationController.java:65)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.springframework.web.servlet.mvc.multiaction.MultiActionController.invokeNamedMethod(MultiActionController.java:471)</p><p>    at org.springframework.web.servlet.mvc.multiaction.MultiActionController.handleRequestInternal(MultiActionController.java:408)</p><p>    at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)</p><p>    at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)</p><p>    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)</p><p>    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:336)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:368)</p><p>    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)</p><p>    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:177)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:109)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:169)</p><p>    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)</p><p>    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)</p><p>    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:276)</p><p>    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p>    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)</p><p>    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)</p><p>    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p>    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p>    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)</p><p>    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)</p><p>    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:872)</p><p>    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)</p><p>    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)</p><p>    at java.lang.Thread.run(Thread.java:662)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>09:35:49,350 ERROR [org.jbpm.instantiation.Delegation] couldn't instantiate delegation class 'null': java.lang.NullPointerException</p><p>    at org.jbpm.instantiation.FieldInstantiator.newInstance(FieldInstantiator.java:105)</p><p>    at org.jbpm.instantiation.FieldInstantiator.instantiate(FieldInstantiator.java:48)</p><p>    at org.jbpm.instantiation.Delegation.instantiate(Delegation.java:163)</p><p>    at org.jbpm.instantiation.Delegation.getInstance(Delegation.java:125)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:198)</p><p>    at org.jbpm.instantiation.Delegation_$$_javassist_93.getInstance(Delegation_$$_javassist_93.java)</p><p>    at org.jbpm.graph.def.Action.execute(Action.java:121)</p><p>    at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:255)</p><p>    at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:220)</p><p>    at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:190)</p><p>    at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:174)</p><p>    at org.jbpm.graph.def.Node.leave(Node.java:381)</p><p>    at org.jbpm.graph.node.StartState.leave(StartState.java:70)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:198)</p><p>    at org.jbpm.graph.def.Node_$$_javassist_160.leave(Node_$$_javassist_160.java)</p><p>    at org.jbpm.graph.exe.Token.signal(Token.java:194)</p><p>    at org.jbpm.graph.exe.Token.signal(Token.java:139)</p><p>    at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:270)</p><p>    at com.lupin.l2j.jbpm.ProcessInitiator.initiateProcessInstance(ProcessInitiator.java:37)</p><p>    at com.lupin.l2j.dao.resignation.ResignationDao.insertNew(ResignationDao.java:60)</p><p>    at com.lupin.l2j.service.resignation.ResignationService.insertNew(ResignationService.java:52)</p><p>    at com.lupin.l2j.controller.resignation.ResignationController.insertResignation(ResignationController.java:65)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.springframework.web.servlet.mvc.multiaction.MultiActionController.invokeNamedMethod(MultiActionController.java:471)</p><p>    at org.springframework.web.servlet.mvc.multiaction.MultiActionController.handleRequestInternal(MultiActionController.java:408)</p><p>    at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)</p><p>    at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)</p><p>    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)</p><p>    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:336)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:368)</p><p>    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)</p><p>    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:177)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:109)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:169)</p><p>    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)</p><p>    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)</p><p>    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:276)</p><p>    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p>    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)</p><p>    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)</p><p>    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p>    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p>    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)</p><p>    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)</p><p>    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:872)</p><p>    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)</p><p>    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)</p><p>    at java.lang.Thread.run(Thread.java:662)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>09:35:49,350 ERROR [org.jbpm.graph.def.GraphElement] action threw exception: null: java.lang.NullPointerException</p><p>    at org.jbpm.graph.def.Action.execute(Action.java:122)</p><p>    at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:255)</p><p>    at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:220)</p><p>    at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:190)</p><p>    at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:174)</p><p>    at org.jbpm.graph.def.Node.leave(Node.java:381)</p><p>    at org.jbpm.graph.node.StartState.leave(StartState.java:70)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:198)</p><p>    at org.jbpm.graph.def.Node_$$_javassist_160.leave(Node_$$_javassist_160.java)</p><p>    at org.jbpm.graph.exe.Token.signal(Token.java:194)</p><p>    at org.jbpm.graph.exe.Token.signal(Token.java:139)</p><p>    at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:270)</p><p>    at com.lupin.l2j.jbpm.ProcessInitiator.initiateProcessInstance(ProcessInitiator.java:37)</p><p>    at com.lupin.l2j.dao.resignation.ResignationDao.insertNew(ResignationDao.java:60)</p><p>    at com.lupin.l2j.service.resignation.ResignationService.insertNew(ResignationService.java:52)</p><p>    at com.lupin.l2j.controller.resignation.ResignationController.insertResignation(ResignationController.java:65)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.springframework.web.servlet.mvc.multiaction.MultiActionController.invokeNamedMethod(MultiActionController.java:471)</p><p>    at org.springframework.web.servlet.mvc.multiaction.MultiActionController.handleRequestInternal(MultiActionController.java:408)</p><p>    at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)</p><p>    at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)</p><p>    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)</p><p>    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:336)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:368)</p><p>    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)</p><p>    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:177)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:109)</p><p>    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)</p><p>    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:169)</p><p>    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)</p><p>    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)</p><p>    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:276)</p><p>    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p>    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)</p><p>    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)</p><p>    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p>    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p>    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)</p><p>    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)</p><p>    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:872)</p><p>    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)</p><p>    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951)</p><p>    at java.lang.Thread.run(Thread.java:662)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [pmsmessages] not found for MessageSource: Can't find bundle for base name pmsmessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [leavemessages] not found for MessageSource: Can't find bundle for base name leavemessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [pmsmessages] not found for MessageSource: Can't find bundle for base name pmsmessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [leavemessages] not found for MessageSource: Can't find bundle for base name leavemessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [pmsmessages] not found for MessageSource: Can't find bundle for base name pmsmessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [leavemessages] not found for MessageSource: Can't find bundle for base name leavemessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [pmsmessages] not found for MessageSource: Can't find bundle for base name pmsmessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [leavemessages] not found for MessageSource: Can't find bundle for base name leavemessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [pmsmessages] not found for MessageSource: Can't find bundle for base name pmsmessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [leavemessages] not found for MessageSource: Can't find bundle for base name leavemessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [pmsmessages] not found for MessageSource: Can't find bundle for base name pmsmessages, locale en</p><p>09:35:49,381 WARN  [org.springframework.context.support.ResourceBundleMessageSource] ResourceBundle [leavemessages] not found for MessageSource: Can't find bundle for base name leavemessages, locale en</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Please help me out:::</p></div>
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