ERROR info.magnolia.ui.admincentral.AdmincentralErrorHandler 04.06.2018 15:09:25 -- AdmincentralUI has encountered an unhandled exception. com.vaadin.event.ListenerMethod$MethodException: Invocation of method valueChange in info.magnolia.ui.form.field.factory.LinkFieldFactory$$Lambda$375/2035320143 failed. at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:531) ~[vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:211) ~[vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:174) ~[vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1033) ~[vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.v7.ui.AbstractField.fireValueChange(AbstractField.java:1138) ~[vaadin-compatibility-server-8.1.5.jar:8.1.5] at com.vaadin.v7.ui.AbstractField.setValue(AbstractField.java:548) ~[vaadin-compatibility-server-8.1.5.jar:8.1.5] at com.vaadin.v7.ui.AbstractField.setValue(AbstractField.java:445) ~[vaadin-compatibility-server-8.1.5.jar:8.1.5] at com.vaadin.v7.ui.AbstractTextField.changeVariables(AbstractTextField.java:207) ~[vaadin-compatibility-server-8.1.5.jar:8.1.5] at com.vaadin.server.communication.ServerRpcHandler.changeVariables(ServerRpcHandler.java:626) ~[vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:471) [vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:414) [vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:274) [vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:90) [vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:41) [vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1568) [vaadin-server-8.1.5.jar:8.1.5] at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:381) [vaadin-server-8.1.5.jar:8.1.5] at info.magnolia.ui.admincentral.AdmincentralVaadinServlet.service(AdmincentralVaadinServlet.java:141) [magnolia-ui-admincentral-5.6.5.jar:?] at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) [tomcat8-servlet-api-8.5.14.jar:?] at info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:148) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.virtualuri.VirtualUriFilter.doFilter(VirtualUriFilter.java:98) [magnolia-virtual-uri-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:58) [magnolia-cache-core-5.6.1.jar:?] at info.magnolia.module.cache.executor.CompositeExecutor.processCacheRequest(CompositeExecutor.java:67) [magnolia-cache-core-5.6.1.jar:?] at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:220) [magnolia-cache-core-5.6.1.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:89) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.RangeSupportFilter.doFilter(RangeSupportFilter.java:77) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:57) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.security.SecurityCallbackFilter.doFilter(SecurityCallbackFilter.java:84) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:94) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.module.site.filters.SiteMergeFilter.doFilter(SiteMergeFilter.java:119) [magnolia-site-1.2.2.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.multisite.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:120) [magnolia-module-multisite-1.3.3.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MultiChannelFilter.doFilter(MultiChannelFilter.java:83) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73) [magnolia-cache-core-5.6.1.jar:?] at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:127) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:64) [magnolia-module-enterprise-5.6.6.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.personalization.preview.filter.PreviewFilter.doFilter(PreviewFilter.java:92) [magnolia-personalization-preview-app-1.5.2.jar:?] at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:155) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:128) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.SafeDestroyMgnlFilterWrapper.doFilter(SafeDestroyMgnlFilterWrapper.java:107) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlFilterDispatcher.doDispatch(MgnlFilterDispatcher.java:67) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:110) [magnolia-core-5.6.5.jar:?] at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:96) [magnolia-core-5.6.5.jar:?] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat8-catalina-8.5.14.jar:8.5.14] at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:486) [tomcat8-coyote-8.5.14.jar:8.5.14] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat8-coyote-8.5.14.jar:8.5.14] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) [tomcat8-coyote-8.5.14.jar:8.5.14] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455) [tomcat8-coyote-8.5.14.jar:8.5.14] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat8-coyote-8.5.14.jar:8.5.14] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_171] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_171] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat8-util-8.5.14.jar:8.5.14] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171] Caused by: java.lang.NullPointerException at info.magnolia.ui.form.field.factory.LinkFieldFactory.lambda$createFieldComponent$3e350d0$1(LinkFieldFactory.java:123) ~[magnolia-ui-form-5.6.5.jar:?] at sun.reflect.GeneratedMethodAccessor449.invoke(Unknown Source) ~[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_171] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_171] at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510) ~[vaadin-server-8.1.5.jar:8.1.5] ... 112 more