Metabereich
Error number 4001 in 4: Error while evaluating velocity template menus_content.vm
Error number 4001 in 4: Error while evaluating velocity template menus_content.vm com.xpn.xwiki.XWikiException: Error number 4001 in 4: Error while evaluating velocity template menus_content.vm at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2511) at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2484) at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:983) at jdk.internal.reflect.GeneratedMethodAccessor208.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369) at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258) at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423) at org.apache.velocity.Template.merge(Template.java:358) at org.apache.velocity.Template.merge(Template.java:262) at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:284) at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316) at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267) at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250) at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711) at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78) at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2506) at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2484) at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:983) at jdk.internal.reflect.GeneratedMethodAccessor208.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369) at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258) at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423) at org.apache.velocity.Template.merge(Template.java:358) at org.apache.velocity.Template.merge(Template.java:262) at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:284) at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316) at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267) at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250) at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711) at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78) at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2506) at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2484) at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:983) at jdk.internal.reflect.GeneratedMethodAccessor208.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369) at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258) at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:172) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423) at org.apache.velocity.Template.merge(Template.java:358) at org.apache.velocity.Template.merge(Template.java:262) at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:284) at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316) at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267) at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250) at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711) at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78) at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2506) at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:576) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:250) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) at javax.servlet.http.HttpServlet.service(HttpServlet.java:634) at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:122) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:351) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:375) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:869) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:829) Caused by: org.xwiki.rendering.RenderingException: Failed to execute renderer at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:270) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250) at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711) at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78) at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2506) ... 161 more Caused by: org.xwiki.rendering.RenderingException: Failed to evaluate template with id [/skins/flamingo/menus_content.vm] at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:219) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267) at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267) ... 169 more Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [/skins/flamingo/view.vm] at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:292) at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316) at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217) ... 175 more Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'hasAccessLevel' in class com.xpn.xwiki.api.XWiki threw exception java.lang.NullPointerException at /skins/flamingo/view.vm[line 23, column 42] at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:306) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:233) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369) at org.apache.velocity.runtime.parser.node.ASTReference.evaluate(ASTReference.java:674) at org.apache.velocity.runtime.parser.node.ASTAndNode.evaluate(ASTAndNode.java:112) at org.apache.velocity.runtime.parser.node.ASTAndNode.value(ASTAndNode.java:78) at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:72) at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:240) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423) at org.apache.velocity.Template.merge(Template.java:358) at org.apache.velocity.Template.merge(Template.java:262) at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:284) ... 178 more Caused by: java.lang.NullPointerException
Inhalt
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Verbergen
]
Im Metabereich können zusätzliche Elemente in den Html head des generierten Formulars eingefügt werden.
Erläuterung
Im Metabereich können zusätzliche Elemente in den head des erzeugten Html-Dokuments eingefügt werden. Dies kann etwa dazu genutzt werden, um:
- Fonts von externen Anbietern oder Webressourcen einzubinden
- zusätzliche JavaScript- oder CSS-Dateien hinzuzufügen. Dies ist besonders nützlich, wenn JavaScript und CSS nicht direkt in Xima® Formcycle bearbeitet wird. Wenn beispielsweise TypeScript und SCSS mit externen Anwendungen bearbeitet wird, kann dann die Toolchain während der Entwicklung so eingestellt werden, dass bei Änderungen der Quelldateien automatisch transpiliert wird. Die so erzeugten Dateien können über einen lokal gestarteten Server dann eingebunden werden und sind so immer aktuell.
- weitere Informationen in Form von Html-Meta-Tags bereit zu stellen, wie etwa dem Autor des Formulars oder eine Beschreibung
- HTTP-Header über Meta-Tags zu setzen
Der eingegebene Text im Metabereich muss gültiges Html darstellen und im head-Html-Element erlaubt sein.
Einbinden externer Schriftarten
Wird durch einen externen Anbieter eine Schriftart zur Verfügung gestellt (hosted), kann diese wie folgt eingebunden werden:
<link type="text/css" rel="stylesheet" href="https://fonts.example.com/css?family=EB+Garamond">
Meta-Tags für Suchmaschinenoptimierung
Es können auch meta-Elemente eingefügt werden, etwa zu Zwecken der Suchmaschinenoptimierung.
<meta name="description" content="Mein tolles Formular">
<meta name="keywords" content="HTML,CSS,XML,JavaScript">
<meta name="author" content="Maria Mustermann">
<meta name="keywords" content="HTML,CSS,XML,JavaScript">
<meta name="author" content="Maria Mustermann">
Meta-Tags für das Setzen von HTTP-Headern
Über Meta-Tags mit dem Attribut http-equiv und einem entsprechenden Wert ist es ebenso möglich, nicht vorhandene HTTP-Header zu setzen. Dies sieht beispielsweise für den Header Content-Security-Policy wie folgt aus:
<meta http-equiv="Content-Security-Policy" content="default-src 'self' 'unsafe-inline' 'unsafe-eval'; img-src 'self' data:; font-src 'self' data:">
Zu beachten ist hier, dass Header, welche durch die Anwendung oder den Web-Server ausgeliefert werden, hiermit nicht überschrieben werden können.
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