12:15:15,224 ERROR [org.jbpm.designer.bpmn2.impl.Bpmn2JsonUnmarshaller] (http-localhost.localdomain/127.0.0.1:8080-6) Invalid UUID string: mySignal 12:15:15,224 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) java.lang.NullPointerException 12:15:15,224 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.eclipse.bpmn2.util.Bpmn2ResourceImpl.setIdEvenIfSet(Bpmn2ResourceImpl.java:157) 12:15:15,224 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.eclipse.bpmn2.util.Bpmn2ResourceImpl.prepareSave(Bpmn2ResourceImpl.java:126) 12:15:15,224 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.jbpm.designer.bpmn2.resource.JBPMBpmn2ResourceImpl.createXMLSave(JBPMBpmn2ResourceImpl.java:43) 12:15:15,224 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doSave(XMLResourceImpl.java:192) 12:15:15,224 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.eclipse.emf.ecore.resource.impl.ResourceImpl.save(ResourceImpl.java:1406) 12:15:15,224 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.jbpm.designer.web.profile.impl.JbpmProfileImpl$1.parseModel(JbpmProfileImpl.java:223) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.jbpm.designer.repository.servlet.AssetServiceServlet.doPost(AssetServiceServlet.java:104) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.uberfire.ext.security.server.SecureHeadersFilter.doFilter(SecureHeadersFilter.java:53) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.uberfire.ext.security.server.SecurityIntegrationFilter.doFilter(SecurityIntegrationFilter.java:45) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:231) 12:15:15,225 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:512) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:150) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:419) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) 12:15:15,226 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) 12:15:15,227 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:854) 12:15:15,227 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) 12:15:15,227 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926) 12:15:15,227 ERROR [stderr] (http-localhost.localdomain/127.0.0.1:8080-6) at java.lang.Thread.run(Thread.java:745)