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  1. XWiki Platform
  2. XWIKI-24186

Error when displaying an extension that was uninstalled that doesn't allow to access any other extension UI

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Details

    • Bug
    • Resolution: Duplicate
    • Major
    • None
    • 16.10.11
    • Extension
    • None
    • Unknown

    Description

      On an XWiki instance, I have the following error in the administration when trying to see the details of an extension:

      This replaces the whole UI of the extension manager for that extension, so:

      • the status of the extension is not visible (installed / uninstalled ?)
      • no action is possible

      When clicking on the error, this stacktrace gets displayed:

      org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [## HTML cleaner messes up the content of the legend tag.
      {{html clean="false"}}
      #if ($isAjaxRequest)
        #handleExtensionRequest()
      #else
        <div class="full column">
        #displayExtensionSearchBar()
      
        #if ($request.extensionId && $request.extensionVersion)
        [...]
      {{/html}}]
       at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:186)
       at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:60)
       at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:279)
       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:441)
       at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
       at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:88)
       at org.xwiki.display.internal.DocumentContentAsyncExecutor.executeInCurrentExecutionContext(DocumentContentAsyncExecutor.java:396)
       at org.xwiki.display.internal.DocumentContentAsyncExecutor.execute(DocumentContentAsyncExecutor.java:269)
       at org.xwiki.display.internal.DocumentContentAsyncRenderer.execute(DocumentContentAsyncRenderer.java:112)
       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:290)
       at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267)
       at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)
       at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:93)
       at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:46)
       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:1431)
       at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1567)
       at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1534)
       at com.xpn.xwiki.XWiki.getRenderedContent(XWiki.java:4560)
       at com.xpn.xwiki.XWiki.include(XWiki.java:4497)
       at com.xpn.xwiki.api.XWiki.includeForm(XWiki.java:1875)
       at com.xpn.xwiki.api.XWiki.includeForm(XWiki.java:1835)
       at jdk.internal.reflect.GeneratedMethodAccessor1357.invoke(Unknown Source)
       at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
       at java.base/java.lang.reflect.Method.invoke(Method.java:569)
       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.ASTElseIfStatement.render(ASTElseIfStatement.java:108)
       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.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.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 org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:168)
       at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:60)
       at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:279)
       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:441)
       at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
       at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:88)
       at org.xwiki.display.internal.DocumentContentAsyncExecutor.executeInCurrentExecutionContext(DocumentContentAsyncExecutor.java:396)
       at org.xwiki.display.internal.DocumentContentAsyncExecutor.execute(DocumentContentAsyncExecutor.java:269)
       at org.xwiki.display.internal.DocumentContentAsyncRenderer.execute(DocumentContentAsyncRenderer.java:112)
       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:290)
       at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:267)
       at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)
       at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:93)
       at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:46)
       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.script.display.DisplayScriptService.document(DisplayScriptService.java:143)
       at com.xpn.xwiki.script.display.DisplayScriptService.content(DisplayScriptService.java:206)
       at com.xpn.xwiki.script.display.DisplayScriptService.content(DisplayScriptService.java:165)
       at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
       at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
       at java.base/java.lang.reflect.Method.invoke(Method.java:569)
       at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
       at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
       at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
       at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
       at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)
       at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
       at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:171)
       at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
       at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
       at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:190)
       at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
       at org.apache.velocity.Template.merge(Template.java:358)
       at org.apache.velocity.Template.merge(Template.java:262)
       at org.xwiki.velocity.internal.InternalVelocityEngine.evaluate(InternalVelocityEngine.java:233)
       at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:107)
       at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:219)
       at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:174)
       at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:135)
       at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54)
       at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$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:907)
       at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:869)
       at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:849)
       at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:835)
       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:2569)
       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:108)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
       at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:122)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
       at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:61)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
       at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
       at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
       at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
       at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:209)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
       at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:117)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
       at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
       at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:656)
       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
       at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:762)
       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
       at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:397)
       at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
       at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:935)
       at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1826)
       at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
       at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1189)
       at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:658)
       at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
       at java.base/java.lang.Thread.run(Thread.java:840)
      Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [xwiki:XWiki.XWikiPreferences]
       at org.xwiki.velocity.internal.InternalVelocityEngine.evaluate(InternalVelocityEngine.java:235)
       at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:168)
       ... 167 more
      Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getCause' in  class org.xwiki.store.TransactionException threw exception java.lang.NullPointerException: Cannot invoke "java.util.List.isEmpty()" because "this.causes" is null at environment:/templates/logging_macros.vm[line 24, column 19]
       at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:246)
       at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
       at org.apache.velocity.runtime.parser.node.ASTReference.evaluate(ASTReference.java:676)
       at org.apache.velocity.runtime.parser.node.ASTExpression.evaluate(ASTExpression.java:65)
       at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:169)
       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.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.runtime.parser.node.ASTStringLiteral.value(ASTStringLiteral.java:320)
       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.ASTIfStatement.render(ASTIfStatement.java:171)
       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.directive.Foreach.renderBlock(Foreach.java:309)
       at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:279)
       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.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.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.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.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.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.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.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.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.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.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.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)
       ... 168 more
      Caused by: java.lang.NullPointerException: Cannot invoke "java.util.List.isEmpty()" because "this.causes" is null
       at org.xwiki.store.TransactionException.getCause(TransactionException.java:121)
       at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
       at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
       at java.base/java.lang.reflect.Method.invoke(Method.java:569)
       at org.apache.velocity.runtime.parser.node.PropertyExecutor.execute(PropertyExecutor.java:159)
       at org.apache.velocity.util.introspection.UberspectImpl$VelGetterImpl.invoke(UberspectImpl.java:722)
       at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:217)
       ... 268 more
      

      This sounds more like an exception displaying an exception, so my assumption here is that this is not the original problem with this extension but this error prevents the status of the extension from being displayed.

      In the logs of the wiki, I have found the following:

      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #getThrowableRootCauseMessage called at environment:/templates/logging_macros.vm[line 25, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #getThrowableRootCauseMessage called at environment:/templates/logging_macros.vm[line 144, column 23] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #printLog called at environment:/templates/logging_macros.vm[line 163, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #printLogs called at environment:/templates/job_macros.vm[line 66, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #printStatusLog called at environment:/templates/job_macros.vm[line 58, column 9] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #displayJobStatusLog called at environment:/templates/extension.vm[line 717, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #displayExtensionJobStatus called at environment:/templates/extension.vm[line 691, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #displayExtensionDetails_progress called at environment:/templates/extension.vm[line 1017, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #displayExtensionDetails called at environment:/templates/extension.vm[line 1132, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #displayExtension called at environment:/templates/extension.vm[line 1189, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #handleExtensionAction called at environment:/templates/extension.vm[line 1148, column 1] 
      2026-04-03 00:18:44,214 [http-nio-8080-exec-9 - <anonymized>] ERROR o.a.v.d.null                   - Exception in macro #handleExtensionRequest called at xwiki:XWiki.Extensions[line 11, column 1] 
      

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              tmortagne Thomas Mortagne
              lucaa Anca Luca
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                Created:
                Updated:
                Resolved: