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org.apache.velocity.exception.MethodInvocationException: Invocation of method 'displayDocument' in class com.xpn.xwiki.api.Document threw exception com.xpn.xwiki.XWikiException: Error number 0 in 4: Failed to render document to syntax [HTML 5.0] at environment:/templates/contentvars.vm[line 45, column 36] at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:308) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:235) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368) at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704) at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75) at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:190) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147) at org.xwiki.velocity.internal.directive.TryCatchDirective.render(TryCatchDirective.java:86) at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439) at org.apache.velocity.Template.merge(Template.java:358) at org.apache.velocity.Template.merge(Template.java:262) at org.xwiki.velocity.internal.InternalVelocityEngine.evaluate(InternalVelocityEngine.java:233) at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:107) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:219) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:174) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:135) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:284) at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:284) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267) at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:869) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:831) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:818) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:773) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:765) at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:79) at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:73) at org.xwiki.template.script.TemplateScriptService.render(TemplateScriptService.java:54) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368) at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147) at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:217) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261) at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439) at org.apache.velocity.Template.merge(Template.java:358) at org.apache.velocity.Template.merge(Template.java:262) at org.xwiki.velocity.internal.InternalVelocityEngine.evaluate(InternalVelocityEngine.java:233) at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:107) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:219) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:174) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:135) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:284) at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:284) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267) at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:869) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:831) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:818) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:773) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderNoException(InternalTemplateManager.java:765) at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:79) at com.xpn.xwiki.internal.template.DefaultTemplateManager.renderNoException(DefaultTemplateManager.java:73) at org.xwiki.template.script.TemplateScriptService.render(TemplateScriptService.java:54) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368) at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147) at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:217) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331) at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261) at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:171) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:190) at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439) at org.apache.velocity.Template.merge(Template.java:358) at org.apache.velocity.Template.merge(Template.java:262) at org.xwiki.velocity.internal.InternalVelocityEngine.evaluate(InternalVelocityEngine.java:233) at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:107) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:219) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:174) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:135) at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:284) at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:284) at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267) at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:869) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:831) at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:811) at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:797) at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:91) at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:85) at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2552) at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:180) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:651) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:339) at com.xpn.xwiki.web.LegacyActionServlet.service(LegacyActionServlet.java:111) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:123) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:135) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:212) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.xwiki.container.servlet.filters.internal.SafeRedirectFilter.doFilter(SafeRedirectFilter.java:106) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.xwiki.container.servlet.filters.internal.ResolveRelativeRedirectFilter.doFilter(ResolveRelativeRedirectFilter.java:129) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.xwiki.container.servlet.filters.internal.SourceURLResolverFilter.doFilter(SourceURLResolverFilter.java:177) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:120) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:165) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:88) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:113) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:83) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:654) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:72) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:903) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1797) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:973) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:491) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Unknown Source) Caused by: com.xpn.xwiki.XWikiException: Error number 0 in 4: Failed to render document to syntax [HTML 5.0] at com.xpn.xwiki.doc.XWikiDocument.renderXDOM(XWikiDocument.java:9333) at com.xpn.xwiki.doc.XWikiDocument.display(XWikiDocument.java:1436) at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1569) at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1519) at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1488) at com.xpn.xwiki.api.Document.displayDocument(Document.java:822) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571) at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221) ... 158 more Caused by: java.lang.NullPointerException: Cannot invoke "com.xpn.xwiki.doc.XWikiDocument.getAttachment(String)" because "rdoc" is null at com.xpn.xwiki.web.XWikiServletURLFactory.findAttachmentForDocRevision(XWikiServletURLFactory.java:906) at com.xpn.xwiki.web.XWikiServletURLFactory.createAttachmentURL(XWikiServletURLFactory.java:674) at com.xpn.xwiki.XWiki.getAttachmentURL(XWiki.java:5619) at com.xpn.xwiki.XWiki.getAttachmentURL(XWiki.java:5630) at com.xpn.xwiki.XWiki.getAttachmentURL(XWiki.java:5667) at com.xpn.xwiki.doc.DefaultDocumentAccessBridge.getAttachmentURL(DefaultDocumentAccessBridge.java:836) at org.xwiki.rendering.internal.wiki.XWikiWikiModel.getLinkURL(XWikiWikiModel.java:157) at org.xwiki.rendering.internal.renderer.xhtml.link.AttachmentXHTMLLinkTypeRenderer.beginLinkExtraAttributes(AttachmentXHTMLLinkTypeRenderer.java:79) at org.xwiki.rendering.internal.renderer.xhtml.link.AbstractXHTMLLinkTypeRenderer.beginLink(AbstractXHTMLLinkTypeRenderer.java:158) at org.xwiki.rendering.internal.renderer.xhtml.link.DefaultXHTMLLinkRenderer.beginLink(DefaultXHTMLLinkRenderer.java:90) at org.xwiki.rendering.internal.renderer.xhtml.XHTMLChainingRenderer.beginLink(XHTMLChainingRenderer.java:261) at org.xwiki.rendering.listener.chaining.AbstractChainingListener.beginLink(AbstractChainingListener.java:203) at org.xwiki.rendering.listener.chaining.AbstractChainingListener.beginLink(AbstractChainingListener.java:203) at org.xwiki.rendering.listener.chaining.EmptyBlockChainingListener.beginLink(EmptyBlockChainingListener.java:122) at org.xwiki.rendering.listener.chaining.AbstractChainingListener.beginLink(AbstractChainingListener.java:203) at org.xwiki.rendering.listener.chaining.BlockStateChainingListener.beginLink(BlockStateChainingListener.java:337) at org.xwiki.rendering.listener.chaining.AbstractChainingListener.beginLink(AbstractChainingListener.java:203) at org.xwiki.rendering.block.LinkBlock.before(LinkBlock.java:97) at org.xwiki.rendering.block.AbstractBlock.traverse(AbstractBlock.java:590) at org.xwiki.rendering.block.AbstractBlock.traverse(AbstractBlock.java:593) at org.xwiki.rendering.block.AbstractBlock.traverse(AbstractBlock.java:593) at org.xwiki.rendering.block.AbstractBlock.traverse(AbstractBlock.java:593) at org.xwiki.rendering.block.AbstractBlock.traverse(AbstractBlock.java:593) at org.xwiki.rendering.internal.renderer.AbstractBlockRenderer.render(AbstractBlockRenderer.java:63) at org.xwiki.rendering.internal.renderer.AbstractBlockRenderer.render(AbstractBlockRenderer.java:55) at com.xpn.xwiki.doc.XWikiDocument.renderXDOM(XWikiDocument.java:9330) ... 168 more