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  1. XWiki Platform
  2. XWIKI-16793

Spaces in file names in Zip files cause VFS Tree macro break

    XMLWordPrintable

Details

    • Bug
    • Resolution: Fixed
    • Major
    • 12.4-rc-1
    • 11.3.4
    • VFS
    • XWiki 11.3.4, Firefox 69 / Chrome 77 / Ubuntu
    • Unit
    • Unknown
    • N/A
    • N/A

    Description

      Using VFS API and VFS Tree Macro, it seems that any zip file containing a file with one space in its title causes the VFS tree macro to not show the file.
      The macro shows an infinite "Loading..." message, and there is a jQuery error in the console, see below.

      Example file attached.

      TypeError: Cannot use 'in' operator to search for 'length' in Failed to execute the [velocity] macro. Cause: [java.lang.NullPointerException@2ee17469]. Click on this message for details.org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [#if ($xcontext.action == 'get')
        #handleVFSTreeRequest
      #end]
      	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.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101)
      	at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:263)
      	at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:133)
      	at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:58)
      	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:245)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.applySheet(SheetDocumentDisplayer.java:225)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.maybeDisplayWithSheet(SheetDocumentDisplayer.java:180)
      	at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:111)
      	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:1208)
      	at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1316)
      	at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1265)
      	at com.xpn.xwiki.api.Document.displayDocument(Document.java:741)
      	at sun.reflect.GeneratedMethodAccessor387.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$VelMethodImpl.invoke(UberspectImpl.java:384)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
      	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
      	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:567)
      	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
      	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
      	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
      	at org.xwiki.velocity.introspection.TryCatchDirective.render(TryCatchDirective.java:87)
      	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
      	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:358)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:884)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:755)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:730)
      	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:729)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:708)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:694)
      	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
      	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2452)
      	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2430)
      	at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:992)
      	at sun.reflect.GeneratedMethodAccessor210.invoke(Unknown Source)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
      	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
      	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:369)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
      	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
      	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
      	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:358)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:884)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:755)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:730)
      	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:729)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:708)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:694)
      	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
      	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2452)
      	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2430)
      	at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:992)
      	at sun.reflect.GeneratedMethodAccessor210.invoke(Unknown Source)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
      	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
      	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:369)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
      	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
      	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
      	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:358)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:884)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:755)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:730)
      	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:729)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:708)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:694)
      	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
      	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2452)
      	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2430)
      	at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:992)
      	at sun.reflect.GeneratedMethodAccessor210.invoke(Unknown Source)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395)
      	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
      	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280)
      	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:369)
      	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
      	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311)
      	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230)
      	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
      	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:358)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.evaluateContent(InternalTemplateManager.java:884)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:755)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.lambda$renderFromSkin$0(InternalTemplateManager.java:730)
      	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:729)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:708)
      	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:694)
      	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
      	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2452)
      	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:515)
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:217)
      	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:635)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
      	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:112)
      	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:200)
      	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
      	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
      	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
      	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
      	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
      	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
      	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
      	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)
      	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
      	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
      	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
      	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      	at java.lang.Thread.run(Thread.java:748)
      Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with id [xwiki:Macros.VFSTreeJSON]
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:227)
      	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:358)
      	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
      	... 183 more
      Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'url' in  class org.xwiki.vfs.script.VfsScriptService threw exception java.lang.IllegalArgumentException: java.lang.NullPointerException@2ee17469 at 37:xwiki:Macros.VFSTreeJSON[line 26, column 23]
      	at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:243)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:193)
      	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.ASTMap.value(ASTMap.java:80)
      	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.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.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.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
      	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.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
      	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluateInternal(DefaultVelocityEngine.java:259)
      	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:222)
      	... 185 more
      Caused by: java.lang.IllegalArgumentException: java.lang.NullPointerException@2ee17469
      	at sun.reflect.GeneratedMethodAccessor531.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$VelMethodImpl.invoke(UberspectImpl.java:384)
      	at org.xwiki.velocity.introspection.MethodArgumentsUberspector$ConvertingVelMethod.invoke(MethodArgumentsUberspector.java:214)
      	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173)
      	... 212 more
          at s (http://localhost:8080/xwiki/webjars/wiki%3Axwiki/jquery/2.2.2/jquery.min.js?r=1:2:4053)
          at Function.each (http://localhost:8080/xwiki/webjars/wiki%3Axwiki/jquery/2.2.2/jquery.min.js?r=1:2:2827)
          at h (http://localhost:8080/xwiki/webjars/wiki%3Axwiki/xwiki-platform-tree-webjar/11.3.4/tree.min.js:1:207)
          at Object.L (http://localhost:8080/xwiki/webjars/wiki%3Axwiki/xwiki-platform-tree-webjar/11.3.4/tree.min.js:1:461)
          at i (http://localhost:8080/xwiki/webjars/wiki%3Axwiki/jquery/2.2.2/jquery.min.js?r=1:2:27151)
          at Object.fireWith [as resolveWith] (http://localhost:8080/xwiki/webjars/wiki%3Axwiki/jquery/2.2.2/jquery.min.js?r=1:2:27914)
          at z (http://localhost:8080/xwiki/webjars/wiki%3Axwiki/jquery/2.2.2/jquery.min.js?r=1:4:12120)
          at XMLHttpRequest.<anonymous> (http://localhost:8080/xwiki/webjars/wiki%3Axwiki/jquery/2.2.2/jquery.min.js?r=1:4:15680)
      

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              surli Simon Urli
              jdennebouy Jean-Sébastien Dennebouy
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              Dates

                Created:
                Updated:
                Resolved: