RS in rule matching

2015-04-04 22:02:27,742 [ajp-apr-8005-exec-269] ERROR Window - OLAT::ERROR ^%^ N5-E36 ^%^ org.olat.core.gui.components

Apache-HttpClient/4.3 (java 1.5) 
**RedScreen** exception while rendering component 'vc_fullwebapplayout' (org.olat.core.gui.components.velocity.VelocityContainer) listener:[org.olat.core.commons.fullWebApp.BaseFullWebappController [cListener:-]]
Message of exception: MethodInvocationException occured while merging template: methName:getLogoLinkUri, refName:logoInfos 
>>> stack of 1.cause::org.olat.core.logging.OLATRuntimeException: exception while rendering component 'vc_fullwebapplayout' (org.olat.core.gui.components.velocity.VelocityContainer) listener:[org.olat.core.commons.fullWebApp.BaseFullWebappController [cListener:-]]
Message of exception: MethodInvocationException occured while merging template: methName:getLogoLinkUri, refName:logoInfos
-> at org.olat.core.gui.components.Window.dispatchRequest(Window.java:761)
   at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:233)
   at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:192)
   at org.olat.dispatcher.DMZDispatcher.execute(DMZDispatcher.java:272)
   at org.olat.core.servlets.OpenOLATServlet.executeUserRequest(OpenOLATServlet.java:269)
   at org.olat.core.servlets.OpenOLATServlet.doGet(OpenOLATServlet.java:198)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
   at org.olat.core.servlets.OpenOLATServlet.service(OpenOLATServlet.java:155)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>> stack of 2.cause::org.olat.core.logging.OLATRuntimeException: MethodInvocationException occured while merging template: methName:getLogoLinkUri, refName:logoInfos
-> at org.olat.core.gui.render.velocity.VelocityHelper.merge(VelocityHelper.java:169)
   at org.olat.core.gui.render.velocity.VelocityHelper.mergeContent(VelocityHelper.java:184)
   at org.olat.core.gui.components.velocity.VelocityContainerRenderer.render(VelocityContainerRenderer.java:77)
   at org.olat.core.gui.render.Renderer.render(Renderer.java:236)
   at org.olat.core.gui.components.panel.PanelRenderer.render(PanelRenderer.java:44)
   at org.olat.core.gui.render.Renderer.render(Renderer.java:236)
   at org.olat.core.gui.render.Renderer.render(Renderer.java:186)
   at org.olat.core.gui.components.Window.dispatchRequest(Window.java:754)
   at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:233)
   at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:192)
   at org.olat.dispatcher.DMZDispatcher.execute(DMZDispatcher.java:272)
>>> stack of 3.cause::java.lang.NullPointerException: null
-> at org.olat.admin.landingpages.model.Rule.match(Rule.java:101)
   at org.olat.admin.landingpages.model.Rules.matchRule(Rules.java:60)
   at org.olat.admin.landingpages.model.Rules.match(Rules.java:69)
   at org.olat.admin.layout.LogoInformations.getLogoLinkUri(LogoInformations.java:97)
   at sun.reflect.GeneratedMethodAccessor309.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:483)
   at org.apache.velocity.runtime.parser.node.PropertyExecutor.execute(PropertyExecutor.java:142)
   at org.apache.velocity.util.introspection.UberspectImpl$VelGetterImpl.invoke(UberspectImpl.java:539)
   at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:198)
   at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)