500 - Internal Server Error

org.apache.velocity.exception.MethodInvocationException: Invocation of method 'label' in  class de.imperia.axa.common.util.ExtendedContentFilter threw exception java.lang.NullPointerException at /slider/script/velocity/CE-Repmode_Slider_Element.vm[line 6, column 61]
	at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:243)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:187)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.Template.merge(Template.java:356)
	at org.apache.velocity.Template.merge(Template.java:260)
	at org.apache.velocity.app.VelocityEngine.mergeTemplate(VelocityEngine.java:354)
	at org.apache.velocity.app.VelocityEngine.mergeTemplate(VelocityEngine.java:320)
	at pirobase.cms.view.builder.velocity.VelocityTemplate.process(VelocityTemplate.java:66)
	at pirobase.cms.view.builder.AbstractBuilder.signal(AbstractBuilder.java:168)
	at pirobase.cms.view.builder.InplaceEditor.relay(InplaceEditor.java:727)
	at pirobase.cms.view.builder.InplaceEditor.signal(InplaceEditor.java:701)
	at pirobase.cms.view.builder.ContentProcessor.signal(ContentProcessor.java:346)
	at pirobase.cms.view.builder.ContentProcessor.process(ContentProcessor.java:209)
	at pirobase.cms.view.builder.InterceptingProcessor.process(InterceptingProcessor.java:47)
	at pirobase.cms.view.builder.AbstractBuilder.signal(AbstractBuilder.java:168)
	at pirobase.cms.view.builder.TemplateSupport.content(TemplateSupport.java:137)
	at pirobase.cms.view.builder.TemplateSupport.content(TemplateSupport.java:108)
	at sun.reflect.GeneratedMethodAccessor840.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:369)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:420)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.directive.Parse.render(Parse.java:260)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.Template.merge(Template.java:356)
	at org.apache.velocity.Template.merge(Template.java:260)
	at pirobase.cms.velocity.servlet.LibraryVelocityToolboxView.mergeTemplate(LibraryVelocityToolboxView.java:102)
	at pirobase.cms.velocity.servlet.LibraryVelocityToolboxView.doRender(LibraryVelocityToolboxView.java:66)
	at org.springframework.web.servlet.view.velocity.VelocityView.renderMergedTemplateModel(VelocityView.java:294)
	at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:167)
	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:304)
	at pirobase.cms.view.builder.velocity.VelocityView.process(VelocityView.java:60)
	at pirobase.cms.view.builder.AbstractBuilder.signal(AbstractBuilder.java:168)
	at pirobase.cms.view.builder.InplaceEditor.relay(InplaceEditor.java:727)
	at pirobase.cms.view.builder.InplaceEditor.signal(InplaceEditor.java:701)
	at pirobase.cms.view.builder.ContentProcessor.signal(ContentProcessor.java:346)
	at pirobase.cms.view.builder.ContentProcessor.process(ContentProcessor.java:209)
	at pirobase.cms.view.builder.InterceptingProcessor.process(InterceptingProcessor.java:47)
	at pirobase.cms.view.builder.AbstractBuilder.signal(AbstractBuilder.java:168)
	at pirobase.cms.view.builder.PageProcessor.process(PageProcessor.java:201)
	at pirobase.cms.view.builder.PageProcessor.process(PageProcessor.java:153)
	at pirobase.cms.view.builder.InterceptingProcessor.process(InterceptingProcessor.java:47)
	at pirobase.cms.view.builder.AbstractBuilder.signal(AbstractBuilder.java:168)
	at pirobase.cms.view.builder.ItemTypeRouter.process(ItemTypeRouter.java:32)
	at pirobase.cms.view.builder.AbstractBuilder.startProcess(AbstractBuilder.java:70)
	at pirobase.cms.view.builder.AbstractBuilder.transform(AbstractBuilder.java:56)
	at pirobase.cms.view.builder.ContentPlugin.renderItem(ContentPlugin.java:184)
	at pirobase.cms.view.builder.ContentPlugin.processPrepareData(ContentPlugin.java:127)
	at pirobase.cms.view.plugin.Plugin.prepare(Plugin.java:165)
	at pirobase.cms.view.plugin.Plugin.prepareData(Plugin.java:132)
	at pirobase.cms.velocity.directive.CmsPlugin.prepareData(CmsPlugin.java:144)
	at pirobase.cms.velocity.directive.CmsPlugin.render(CmsPlugin.java:81)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.directive.Parse.render(Parse.java:260)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.runtime.directive.Parse.render(Parse.java:260)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
	at org.apache.velocity.Template.merge(Template.java:356)
	at org.apache.velocity.Template.merge(Template.java:260)
	at pirobase.cms.velocity.servlet.LibraryVelocityToolboxView.mergeTemplate(LibraryVelocityToolboxView.java:102)
	at pirobase.cms.velocity.servlet.LibraryVelocityToolboxView.doRender(LibraryVelocityToolboxView.java:66)
	at org.springframework.web.servlet.view.velocity.VelocityView.renderMergedTemplateModel(VelocityView.java:294)
	at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:167)
	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:304)
	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286)
	at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	at pirobase.cms.view.impl.ViewServiceImpl.service(ViewServiceImpl.java:771)
	at pirobase.cms.view.impl.ViewServiceImpl.service(ViewServiceImpl.java:2418)
	at pirobase.cms.smartview.controller.LayoutForwardingController.handleRequestInternal(LayoutForwardingController.java:36)
	at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	at pirobase.cms.view.impl.ViewServiceImpl.masterservice(ViewServiceImpl.java:810)
	at pirobase.cms.view.impl.ViewServiceImpl.master(ViewServiceImpl.java:797)
	at pirobase.cms.smartview.controller.MasterLayoutController.handleRequestInternal(MasterLayoutController.java:46)
	at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at com.pironet.pbng.cms.servletfilter.SecurityHttpHeaderFilter.doFilter(SecurityHttpHeaderFilter.java:140)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at pirobase.cms.smartview.ContextFilter.doFilter(ContextFilter.java:37)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at com.pironet.pbng.web.servlet.filter.RemoveSessionInURLFilter.doFilterInternal(RemoveSessionInURLFilter.java:32)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at com.pironet.pbng.cms.servletfilter.SessionFilter.doFilter(SessionFilter.java:71)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at com.pirobase.security.authentication.CmsAuthenticationFilter.doFilter(CmsAuthenticationFilter.java:179)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at com.pirobase.authentication.xapp.CrossApplicationProcessingFilter.doFilterHttp(CrossApplicationProcessingFilter.java:113)
	at com.pirobase.authentication.xapp.CrossApplicationProcessingFilter.doFilter(CrossApplicationProcessingFilter.java:52)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at com.pirobase.authentication.ntlm.NtlmProcessingFilter.doFilter(NtlmProcessingFilter.java:128)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at com.pirobase.authentication.delegation.CredentialDelegateFilter.doFilter(CredentialDelegateFilter.java:48)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at com.pirobase.authentication.kerberos.KerberosProcessingFilter.doFilter(KerberosProcessingFilter.java:166)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilterInternal(BasicAuthenticationFilter.java:158)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at com.pirobase.authentication.filter.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:80)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331)
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214)
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)
	at com.pirobase.authentication.filter.FilterProxy.doFilter(FilterProxy.java:47)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at com.pirobase.authentication.filter.NullFilter.doFilter(NullFilter.java:38)
	at com.pirobase.authentication.filter.FilterProxy.doFilter(FilterProxy.java:47)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at pirobase.cms.smartview.ErrorUrlFilter.doFilter(ErrorUrlFilter.java:47)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:597)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
	at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:761)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:396)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:937)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.NullPointerException
	at pirobase.cms.view.util.ContentFilter.filter(ContentFilter.java:481)
	at pirobase.cms.view.util.ContentFilter.label(ContentFilter.java:329)
	at sun.reflect.GeneratedMethodAccessor2337.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
	... 205 more