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Failed to execute the [velocity] macro. Cause: [null]. Click on this message for details.
org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [{{html}}
#set($image="$!xcontext.macro.params.image")
#set($docNameAndImgName = $image.split('@'))
#if ($docNameAndImgName.size() != 2)
  #if ($image.indexOf('/') == -1)
    #set($image=$doc.getAttachmentURL($image))
  #end
#else
  #set($targetDoc=$xwiki.getDocument($docNameAndImgName.get(0)))
  #set($image=$targetDoc.getAttachmentURL($docNameAndImgName.get(1)))
#end

#set($title="$!xcontext.macro.params.title")
#set($width="$!xcontext.macro.params.width")
#if ($width != "")
    #set($width="width=$width")
#end
#set($height="$!xcontext.macro.params.height")
#if ($height != "")
    #set($height="height=$height")
#end
#if ($xcontext.macro.params.group)
    #set($group="[$xcontext.macro.params.group]")
#else
    #set($group="")
#end

#if($context.action == 'edit')

    <img src="$image" $width $height/>

#else

    <a href="$image" rel="lightbox$group" title="$title"><img src="$image" $width $height /></a>

#end
{{/html}}]
 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:139)
 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:52)
 at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:286)
 at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
 at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
 at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297)
 at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.transform(AbstractBlockAsyncRenderer.java:76)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:807)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:793)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:579)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.execute(DefaultWikiMacroRenderer.java:394)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)
 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.execute(DefaultBlockAsyncRendererExecutor.java:125)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacro.execute(DefaultWikiMacro.java:107)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacro.execute(DefaultWikiMacro.java:53)
 at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297)
 at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
 at org.xwiki.rendering.internal.macro.html.HTMLMacro.renderWikiSyntax(HTMLMacro.java:278)
 at org.xwiki.rendering.internal.macro.html.HTMLMacro.execute(HTMLMacro.java:158)
 at org.xwiki.rendering.internal.macro.html.HTMLMacro.execute(HTMLMacro.java:75)
 at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297)
 at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.transform(AbstractBlockAsyncRenderer.java:76)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:807)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:793)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.transform(DefaultWikiMacroRenderer.java:579)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacroRenderer.execute(DefaultWikiMacroRenderer.java:394)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)
 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.execute(DefaultBlockAsyncRendererExecutor.java:125)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacro.execute(DefaultWikiMacro.java:107)
 at org.xwiki.rendering.wikimacro.internal.DefaultWikiMacro.execute(DefaultWikiMacro.java:53)
 at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297)
 at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
 at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101)
 at org.xwiki.display.internal.DocumentContentAsyncExecutor.executeInCurrentExecutionContext(DocumentContentAsyncExecutor.java:348)
 at org.xwiki.display.internal.DocumentContentAsyncExecutor.execute(DocumentContentAsyncExecutor.java:221)
 at org.xwiki.display.internal.DocumentContentAsyncRenderer.execute(DocumentContentAsyncRenderer.java:107)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:273)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)
 at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:67)
 at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:43)
 at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:96)
 at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:39)
 at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:123)
 at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:52)
 at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:68)
 at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:42)
 at com.xpn.xwiki.doc.XWikiDocument.display(XWikiDocument.java:1215)
 at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1356)
 at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1305)
 at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1272)
 at com.xpn.xwiki.api.Document.displayDocument(Document.java:786)
 at jdk.internal.reflect.GeneratedMethodAccessor669.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$VelMethodImpl.invoke(UberspectImpl.java:548)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)
 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
 at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:701)
 at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:72)
 at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:240)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
 at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:191)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
 at org.xwiki.velocity.internal.directive.TryCatchDirective.render(TryCatchDirective.java:86)
 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
 at org.apache.velocity.Template.merge(Template.java:358)
 at org.apache.velocity.Template.merge(Template.java:262)
 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:284)
 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316)
 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$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$VelMethodImpl.invoke(UberspectImpl.java:548)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)
 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
 at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
 at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215)
 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328)
 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258)
 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
 at org.apache.velocity.Template.merge(Template.java:358)
 at org.apache.velocity.Template.merge(Template.java:262)
 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:284)
 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316)
 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$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$0(DefaultAsyncRendererExecutor.java:267)
 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
 at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2506)
 at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2484)
 at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:983)
 at jdk.internal.reflect.GeneratedMethodAccessor208.invoke(Unknown Source)
 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 at org.apache.velocity.util.introspection.UberspectImpl$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.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.velocity.XWikiVelocityException: Failed to evaluate content with namespace [xwiki:Formcycle.UserInterface.FilesAndTemplates.Link]
 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:292)
 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316)
 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
 ... 261 more
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getAttachmentURL' in  class com.xpn.xwiki.api.Document threw exception java.lang.NullPointerException at xwiki:Formcycle.UserInterface.FilesAndTemplates.Link[line 6, column 18]
 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.value(ASTReference.java:701)
 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.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.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)
 ... 263 more
Caused by: java.lang.NullPointerException
Link-Templates werden in Aktionen vom Typ Weiterleitung verwendet und ermöglichen nach dem Absenden des Formulars eine Weiterleitung auf den angegeben Link. In der Aktion Weiterleitung besteht zusätzlich die Möglichkeit, noch URL-Parameter anzufügen.
Link templates are used in the actions type forwarding and enables the forwarding after sending the form to the declared link. It is possible to add URL parameters in the action forwarding.
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