[INFO] [talledLocalContainer] 23.03.2016 12:18:06 ERROR [org.apache.wicket.DefaultExceptionMapper.mapUnexpectedExceptions():170] Unexpected error occurred [INFO] [talledLocalContainer] org.apache.wicket.WicketRuntimeException: Method onRequest of interface org.apache.wicket.behavior.IBehaviorListener targeted at org.apache.wicket.ajax.markup.html.AjaxLink$1@4d4c6b5e on component [ViewGroupActionLink [Component id = link]] threw an exception [INFO] [talledLocalContainer] at org.apache.wicket.RequestListenerInterface.internalInvoke(RequestListenerInterface.java:268) [INFO] [talledLocalContainer] at org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:241) [INFO] [talledLocalContainer] at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.invokeListener(ListenerInterfaceRequestHandler.java:250) [INFO] [talledLocalContainer] at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:236) [INFO] [talledLocalContainer] at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:890) [INFO] [talledLocalContainer] at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64) [INFO] [talledLocalContainer] at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261) [INFO] [talledLocalContainer] at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218) [INFO] [talledLocalContainer] at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289) [INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:259) [INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:201) [INFO] [talledLocalContainer] at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:282) [INFO] [talledLocalContainer] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) [INFO] [talledLocalContainer] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [INFO] [talledLocalContainer] at org.hippoecm.frontend.plugins.login.ConcurrentLoginFilter.doFilter(ConcurrentLoginFilter.java:54) [INFO] [talledLocalContainer] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) [INFO] [talledLocalContainer] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) [INFO] [talledLocalContainer] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) [INFO] [talledLocalContainer] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) [INFO] [talledLocalContainer] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) [INFO] [talledLocalContainer] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) [INFO] [talledLocalContainer] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) [INFO] [talledLocalContainer] at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) [INFO] [talledLocalContainer] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) [INFO] [talledLocalContainer] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) [INFO] [talledLocalContainer] at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041) [INFO] [talledLocalContainer] at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603) [INFO] [talledLocalContainer] at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312) [INFO] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [INFO] [talledLocalContainer] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [INFO] [talledLocalContainer] at java.lang.Thread.run(Thread.java:745) [INFO] [talledLocalContainer] Caused by: java.lang.reflect.InvocationTargetException [INFO] [talledLocalContainer] at sun.reflect.GeneratedMethodAccessor120.invoke(Unknown Source) [INFO] [talledLocalContainer] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [INFO] [talledLocalContainer] at java.lang.reflect.Method.invoke(Method.java:497) [INFO] [talledLocalContainer] at org.apache.wicket.RequestListenerInterface.internalInvoke(RequestListenerInterface.java:258) [INFO] [talledLocalContainer] ... 30 more [INFO] [talledLocalContainer] Caused by: java.lang.IllegalArgumentException: Node name can not be empty. [INFO] [talledLocalContainer] at org.hippoecm.repository.api.NodeNameCodec.encode(NodeNameCodec.java:133) [INFO] [talledLocalContainer] at org.hippoecm.repository.api.NodeNameCodec.encode(NodeNameCodec.java:101) [INFO] [talledLocalContainer] at org.hippoecm.frontend.plugins.cms.admin.users.User.userExists(User.java:141) [INFO] [talledLocalContainer] at org.hippoecm.frontend.plugins.cms.admin.groups.Group.getMembersAsDetachableUsers(Group.java:279) [INFO] [talledLocalContainer] at org.hippoecm.frontend.plugins.cms.admin.groups.ViewGroupPanel.(ViewGroupPanel.java:137) [INFO] [talledLocalContainer] at org.hippoecm.frontend.plugins.cms.admin.groups.ViewGroupActionLink$1.create(ViewGroupActionLink.java:51) [INFO] [talledLocalContainer] at org.apache.wicket.extensions.breadcrumb.panel.BreadCrumbPanel.activate(BreadCrumbPanel.java:116) [INFO] [talledLocalContainer] at org.hippoecm.frontend.plugins.cms.admin.groups.ViewGroupActionLink.onClick(ViewGroupActionLink.java:49) [INFO] [talledLocalContainer] at org.apache.wicket.ajax.markup.html.AjaxLink$1.onEvent(AjaxLink.java:86) [INFO] [talledLocalContainer] at org.apache.wicket.ajax.AjaxEventBehavior.respond(AjaxEventBehavior.java:146) [INFO] [talledLocalContainer] at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:633) [INFO] [talledLocalContainer] ... 34 more