Unknown error when drag & drop tab layout ----------------------------------------- Key: GTNPORTAL-105 URL: https://jira.jboss.org/jira/browse/GTNPORTAL-105 Project: GateIn Portal Issue Type: Bug Affects Versions: 3.0.0-CR01 Reporter: Hang Nguyen Fix For: 3.0.0-CR01 Steps: - Go to group editor --> add new page --> at step 3: In Page Editor --> select tab layout and drag & drop two ( three) tab --> Unknown error. Show exception: SEVERE: Error during the processAction phase java.lang.NullPointerException at org.exoplatform.portal.webui.portal.UIPortalComponentActionListener$MoveChildActionListen er.execute(UIPortalComponentActionListener.java:223) at org.exoplatform.webui.event.Event.broadcast(Event.java:89) at org.exoplatform.webui.core.lifecycle.Lifecycle.processAction(Lifecycle.java:56) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:66) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:30) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.webui.core.UIApplication.processAction(UIApplication.java:112) at org.exoplatform.portal.application.PortalRequestHandler.execute(PortalRequestHandler.java :100) at org.exoplatform.web.WebAppController.service(WebAppController.java:147) at org.exoplatform.portal.application.PortalController.onService(PortalController.java:127) at org.exoplatform.container.web.AbstractHttpServlet.service(AbstractHttpServlet.java:114) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.frameworks.jcr.web.ThreadLocalSessionProviderInitializedFilter.doFilter(T hreadLocalSessionProviderInitializedFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.CacheUserProfileFilter.doFilter(CacheUserProfileFilter.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.services.security.web.SetCurrentIdentityFilter.doFilter(SetCurrentIdentit yFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.filter.ExtensibleFilter$ExtensibleFilterChain.doFilter(ExtensibleFilt er.java:112) at org.exoplatform.web.filter.ExtensibleFilter.doFilter(ExtensibleFilter.java:84) at org.exoplatform.web.filter.GenericFilter.doFilter(GenericFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava: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:175) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) 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:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.ja va:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:595) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira