11:29:27,572 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) org.eclipse.emf.ecore.resource.Resource$IOWrappedException: Unresolved reference 'varItem'. (inputStream://dummyUriWithValidSuffix.xml, 5, 67)
11:29:27,572 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.handleErrors(XMLLoadImpl.java:83)
11:29:27,573 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:191)
11:29:27,573 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doLoad(XMLResourceImpl.java:180)
11:29:27,573 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1494)
11:29:27,573 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jbpm.designer.web.profile.impl.JbpmProfileImpl.getDefinitions(JbpmProfileImpl.java:315)
11:29:27,573 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jbpm.designer.web.profile.impl.JbpmProfileImpl$Proxy$_$$_WeldClientProxy.getDefinitions(JbpmProfileImpl$Proxy$_$$_WeldClientProxy.java)
11:29:27,574 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jbpm.designer.web.server.TransformerServlet.doPost(TransformerServlet.java:221)
11:29:27,574 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
11:29:27,574 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
11:29:27,574 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)
11:29:27,574 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
11:29:27,574 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.solder.servlet.exception.CatchExceptionFilter.doFilter(CatchExceptionFilter.java:65)
11:29:27,575 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
11:29:27,575 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
11:29:27,575 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.solder.servlet.event.ServletEventBridgeFilter.doFilter(ServletEventBridgeFilter.java:74)
11:29:27,575 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
11:29:27,575 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
11:29:27,576 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jbpm.designer.web.filter.impl.PluggableFilter.doFilter(PluggableFilter.java:70)
11:29:27,576 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
11:29:27,576 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
11:29:27,576 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
11:29:27,576 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149)
11:29:27,576 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:389)
11:29:27,577 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.as.web.session.ClusteredSessionValve.handleRequest(ClusteredSessionValve.java:134)
11:29:27,577 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.as.web.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:99)
11:29:27,577 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.as.web.session.JvmRouteValve.invoke(JvmRouteValve.java:92)
11:29:27,577 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.as.web.session.LockingValve.invoke(LockingValve.java:64)
11:29:27,577 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50)
11:29:27,577 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50)
11:29:27,578 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)
11:29:27,578 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)
11:29:27,578 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)
11:29:27,578 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)
11:29:27,578 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336)
11:29:27,578 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
11:29:27,578 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
11:29:27,579 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920)
11:29:27,579 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at java.lang.Thread.run(Thread.java:724)
11:29:27,579 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) Caused by: org.eclipse.emf.ecore.xmi.UnresolvedReferenceException: Unresolved reference 'varItem'. (inputStream://dummyUriWithValidSuffix.xml, 5, 67)
11:29:27,579 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.eclipse.emf.ecore.xmi.impl.XMLHandler.handleForwardReferences(XMLHandler.java:1154)
11:29:27,580 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.eclipse.emf.ecore.xmi.impl.XMLHandler.endDocument(XMLHandler.java:1228)
11:29:27,580 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown Source)
11:29:27,580 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown Source)
11:29:27,580 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown Source)
11:29:27,580 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
11:29:27,581 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(Unknown Source)
11:29:27,581 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.dispatch(Unknown Source)
11:29:27,581 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
11:29:27,581 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
11:29:27,581 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
11:29:27,582 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
11:29:27,582 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
11:29:27,582 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
11:29:27,582 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown Source)
11:29:27,582 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:181)
11:29:27,583 ERROR [stderr] (http-localhost/127.0.0.1:8080-2) 	... 36 more
11:29:27,601 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/kie-wb].[TransformerServlet]] (http-localhost/127.0.0.1:8080-2) JBWEB000236: Servlet.service() for servlet TransformerServlet threw exception: java.lang.IllegalArgumentException: The 'no null' constraint is violated
	at org.eclipse.emf.common.util.AbstractEList.validate(AbstractEList.java:101) [org.eclipse.emf.common-2.6.0.v20100614-1136.jar:]
	at org.eclipse.emf.common.util.BasicEList.addUnique(BasicEList.java:424) [org.eclipse.emf.common-2.6.0.v20100614-1136.jar:]
	at org.eclipse.emf.common.notify.impl.NotifyingListImpl.doAddUnique(NotifyingListImpl.java:331) [org.eclipse.emf.common-2.6.0.v20100614-1136.jar:]
	at org.eclipse.emf.common.notify.impl.NotifyingListImpl.addUnique(NotifyingListImpl.java:288) [org.eclipse.emf.common-2.6.0.v20100614-1136.jar:]
	at org.eclipse.emf.common.util.AbstractEList.add(AbstractEList.java:307) [org.eclipse.emf.common-2.6.0.v20100614-1136.jar:]
	at org.jbpm.designer.web.server.TransformerServlet.doPost(TransformerServlet.java:275) [jbpm-designer-backend-6.0.0.CR1.jar:6.0.0.CR1]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.jboss.solder.servlet.exception.CatchExceptionFilter.doFilter(CatchExceptionFilter.java:65) [solder-impl-3.2.0.Final.jar:3.2.0.Final]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.jboss.solder.servlet.event.ServletEventBridgeFilter.doFilter(ServletEventBridgeFilter.java:74) [solder-impl-3.2.0.Final.jar:3.2.0.Final]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.jbpm.designer.web.filter.impl.PluggableFilter.doFilter(PluggableFilter.java:70) [jbpm-designer-backend-6.0.0.CR1.jar:6.0.0.CR1]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:389) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.jboss.as.web.session.ClusteredSessionValve.handleRequest(ClusteredSessionValve.java:134) [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
	at org.jboss.as.web.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:99) [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
	at org.jboss.as.web.session.JvmRouteValve.invoke(JvmRouteValve.java:92) [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
	at org.jboss.as.web.session.LockingValve.invoke(LockingValve.java:64) [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
	at java.lang.Thread.run(Thread.java:724) [rt.jar:1.7.0_25]