Profile of Souhila Zenine

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Created by Souhila Zenine on 2021/03/11 09:44
Failed to execute the [velocity] macro. Cause: [Connection refused (Connection refused)]. Click on this message for details.
org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [#panelheader($services.localization.render('xe.panels.navigation'))
## Escape special characters in macro parameter values.
#set ($openToDoc = $doc.documentReference.toString().replaceAll('([~"])', '~$1'))
## Apply the configured page exclusions.
#set ($config = $xwiki.getDocument('PanelsCode.NavigationConfiguration'))
#set ($exclusions = $collectiontool.set)
#set ($defaultDocumentName = $services.model.getEntityReference('DOCUMENT', 'default').name)
## Exclude top level extension pages.
#if ($config.getValue('excludeTopLevelExtensionPages') == 1)
  #set ($query = $services.query.hql('select space.name from XWikiSpace space where space.parent is null'))
  #set ($discard = $query.addFilter('hidden/space'))
  #foreach ($result in $query.execute())
    #set ($documentReference = $services.model.createDocumentReference($NULL, $result, $defaultDocumentName))
    #set ($installedExtensions = $services.extension.xar.getInstalledExtensions($documentReference))
    #if ($installedExtensions && $installedExtensions.size() > 0
        && !$services.extension.xar.isEditAllowed($documentReference))
      #set ($discard = $exclusions.add("document:$documentReference"))
    #end
  #end
#end
## Exclude top level application pages.
#if ($config.getValue('excludeTopLevelApplicationPages') == 1)
  #set ($statement = 'select space.name '
    + 'from XWikiSpace as space, Document as doc, doc.object(AppWithinMinutes.LiveTableClass) as app '
    + 'where space.parent is null and doc.space = space.reference')
  #set ($query = $services.query.xwql($statement).addFilter('hidden/space'))
  #foreach ($result in $query.execute())
    #set ($documentReference = $services.model.createDocumentReference($NULL, $result, $defaultDocumentName))
    #set ($discard = $exclusions.add("document:$documentReference"))
  #end
#end
## Inclusions are treated as exceptions to the dynamic exclusion filters.
#if ($config.getValue('excludeTopLevelExtensionPages') == 1 || $config.getValue('excludeTopLevelApplicationPages') == 1)
  ## FIXME: This panel is cached and the cache is not invalidated by default when an extension is installed or
  ## uninstalled and neither when an application is created, deleted or renamed. Ideally we should invalidate the cache
  ## whenever a top level page is created or modified but we can't do this ATM so the next best thing is to invalidate
  ## the cache whenever a page (anywhere in the page hierarchy) is modified.
  #set ($discard = $services.async.useEntity("wiki:$xcontext.database"))
  #foreach ($inclusion in $config.getValue('inclusions'))
    #set ($documentReference = $services.model.resolveDocument($inclusion))
    #set ($discard = $exclusions.remove("document:$documentReference"))
  #end
#end
## Other page exclusions.
#foreach ($exclusion in $config.getValue('exclusions'))
  #set ($documentReference = $services.model.resolveDocument($exclusion))
  #set ($discard = $exclusions.add("document:$documentReference"))
#end
#set ($exclusions = $stringtool.join($exclusions, ','))
{{documentTree showTranslations="false" showAttachments="false" compact="true" openTo="document:$openToDoc"
  exclusions="$exclusions" /}}
#panelfooter()]
	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:103)
	at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.transform(AbstractBlockAsyncRenderer.java:74)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRenderer.tranform(DefaultBlockAsyncRenderer.java:143)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRenderer.execute(DefaultBlockAsyncRenderer.java:126)
	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.panels.internal.PanelWikiUIExtension.render(PanelWikiUIExtension.java:131)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor$DecoratorWrapper.render(DefaultBlockAsyncRendererExecutor.java:67)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor$DecoratorWrapper.render(DefaultBlockAsyncRendererExecutor.java:49)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:232)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:113)
	at org.xwiki.uiextension.internal.AbstractWikiUIExtension.execute(AbstractWikiUIExtension.java:112)
	at jdk.internal.reflect.GeneratedMethodAccessor270.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java: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.value(ASTReference.java:704)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:167)
	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.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.parser.node.ASTIfStatement.render(ASTIfStatement.java:171)
	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.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
	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$0(DefaultAsyncRendererExecutor.java:267)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2523)
	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2501)
	at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:997)
	at jdk.internal.reflect.GeneratedMethodAccessor167.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
	at org.apache.velocity.Template.merge(Template.java:358)
	at org.apache.velocity.Template.merge(Template.java:262)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
	at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
	at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
	at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
	at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2523)
	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2501)
	at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:997)
	at jdk.internal.reflect.GeneratedMethodAccessor167.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:190)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
	at org.apache.velocity.Template.merge(Template.java:358)
	at org.apache.velocity.Template.merge(Template.java:262)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
	at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
	at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
	at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$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:2523)
	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:605)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:286)
	at com.xpn.xwiki.web.LegacyActionServlet.service(LegacyActionServlet.java:104)
	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.RemoteIpValve.invoke(RemoteIpValve.java:747)
	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:868)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1594)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$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:Panels.Navigation]
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:288)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
	... 181 more
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'execute' in  class org.xwiki.query.internal.ScriptQuery threw exception org.xwiki.query.QueryException: Exception while executing query. Query statement = [select space.name from XWikiSpace space where space.parent is null] at xwiki:Panels.Navigation[line 12, column 29]
	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.directive.Foreach.render(Foreach.java:237)
	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.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.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
	... 183 more
Caused by: org.xwiki.query.QueryException: Exception while executing query. Query statement = [select space.name from XWikiSpace space where space.parent is null]
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:176)
	at org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
	at org.xwiki.query.internal.SecureQueryExecutorManager.execute(SecureQueryExecutorManager.java:67)
	at org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:306)
	at org.xwiki.query.internal.ScriptQuery.execute(ScriptQuery.java:254)
	at jdk.internal.reflect.GeneratedMethodAccessor506.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:571)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
	... 193 more
Caused by: com.xpn.xwiki.XWikiException: Error number 0 in 3: Exception while hibernate execute
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:826)
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:889)
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:164)
	... 203 more
Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection
	at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:112)
	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)
	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)
	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:111)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:138)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:274)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:282)
	at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:246)
	at org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:83)
	at org.hibernate.internal.AbstractSharedSessionContract.beginTransaction(AbstractSharedSessionContract.java:480)
	at org.hibernate.engine.spi.SessionDelegatorBaseImpl.beginTransaction(SessionDelegatorBaseImpl.java:486)
	at com.xpn.xwiki.internal.store.hibernate.HibernateStore.beginTransaction(HibernateStore.java:802)
	at com.xpn.xwiki.internal.store.hibernate.HibernateStore.beginTransaction(HibernateStore.java:753)
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:532)
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:819)
	... 205 more
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:833)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:453)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
	at org.apache.commons.dbcp2.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:52)
	at org.apache.commons.dbcp2.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:357)
	at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:918)
	at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:431)
	at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:356)
	at org.apache.commons.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:134)
	at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:734)
	at com.xpn.xwiki.store.DBCPConnectionProvider.getConnection(DBCPConnectionProvider.java:258)
	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:38)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:108)
	... 216 more
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at jdk.internal.reflect.GeneratedConstructorAccessor22357.newInstance(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89)
	at com.mysql.cj.NativeSession.connect(NativeSession.java:144)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:953)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:823)
	... 229 more
Caused by: java.net.ConnectException: Connection refused (Connection refused)
	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:412)
	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:255)
	at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:237)
	at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.base/java.net.Socket.connect(Socket.java:609)
	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:155)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63)
	... 232 more
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