I am getting the following exception when loading the process which has Intermediate Message Event(i.e. Email Notification Nodes) or Send Task nodes
URL url = new URL(guvnorRepoURL+ "/drools-guvnor/rest/packages/pkg/assets/" + assetName+ "/source/");
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newUrlResource(url),ResourceType.BPMN2);
KnowledgeBase kbase = kbuilder.newKnowledgeBase(); //Getting error at this statement
(null: 369, 100): cvc-datatype-valid.1.2.1: '2' is not a valid value for 'QName'.
(null: 369, 100): cvc-attribute.3: The value '2' of attribute 'messageRef' on element 'bpmn2:messageEventDefinition' is not valid with respect to its type, 'QName'.
java.lang.IllegalArgumentException: No messages found
at org.jbpm.bpmn2.xml.IntermediateCatchEventHandler.handleMessageNode(IntermediateCatchEventHandler.java:131)
at org.jbpm.bpmn2.xml.IntermediateCatchEventHandler.end(IntermediateCatchEventHandler.java:64)
at org.drools.xml.ExtensibleXmlParser.endElement(ExtensibleXmlParser.java:414)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.endElement(XMLSchemaValidator.java:795)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1772)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2923)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:645)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:293)
at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:172)
at org.jbpm.compiler.xml.XmlProcessReader.read(XmlProcessReader.java:46)
at org.jbpm.compiler.ProcessBuilderImpl.addProcessFromXml(ProcessBuilderImpl.java:249)
at org.drools.compiler.PackageBuilder.addProcessFromXml(PackageBuilder.java:516)
at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:560)
at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)
at com.emirates.sds.workflow.mbean.CWorkflowDesignerMBean.getWFProcessNodesList(CWorkflowDesignerMBean.java:279)
at com.emirates.sds.workflow.mbean.CWorkflowDesignerMBean.getProcessNodesList(CWorkflowDesignerMBean.java:1071)
at com.emirates.sds.workflow.mbean.CWorkflowDesignerMBean.mapForms(CWorkflowDesignerMBean.java:249)
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 org.apache.el.parser.AstValue.invoke(AstValue.java:172)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:84)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:98)
at javax.faces.component.UICommand.broadcast(UICommand.java:311)
at org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55)
at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:329)
at org.ajax4jsf.component.AjaxViewRoot.broadcastEventsForPhase(AjaxViewRoot.java:304)
at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:261)
at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:474)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:77)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:308)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:349)
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:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
org.drools.compiler.ProcessLoadError: unable to parse xml : Exception class java.lang.IllegalArgumentException : No messages found