Exception at initialization WAR install of XWiki v12.10.6

I’m installing XWiki uisng WAR file xwiki-platform-distribution-war-12.10.6.war in Tomcat v7.0.76, with MariaDB v10.5.

The when accessing through browser, the application of xwiki/ was able to reach initialization 100% but stucked there forever, in the mean while, the Tomcat log file contains the below exception.

If try “http://xwikiv:8080/xwiki/bin/distribution/XWiki/Distribution?xredirect=%2Fxwiki%2Fbin%2Fview%2FMain%2F” it also stuck there.

Any hints will be highly appreciated.

==> ./localhost.2021-04-16.log <==
Apr 16, 2021 3:56:05 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [action] in context with path [/xwiki] threw exception [Servlet execution threw an exception] with root cause
java.lang.ClassNotFoundException: javax.servlet.http.HttpUpgradeHandler
        at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1892)
        at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
        at java.lang.Class.getDeclaredMethods0(Native Method)
        at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
        at java.lang.Class.getDeclaredMethods(Class.java:1975)
        at org.apache.velocity.util.introspection.ClassMap.populateMethodCacheWith(ClassMap.java:181)
        at org.apache.velocity.util.introspection.ClassMap.createMethodCache(ClassMap.java:146)
        at org.apache.velocity.util.introspection.ClassMap.<init>(ClassMap.java:88)
        at org.apache.velocity.util.introspection.IntrospectorCache.put(IntrospectorCache.java:168)
        at org.apache.velocity.util.introspection.IntrospectorBase.getMethod(IntrospectorBase.java:97)
        at org.apache.velocity.util.introspection.Introspector.getMethod(Introspector.java:93)
        at org.apache.velocity.util.introspection.SecureIntrospectorImpl.getMethod(SecureIntrospectorImpl.java:73)
        at org.apache.velocity.runtime.parser.node.PropertyExecutor.discover(PropertyExecutor.java:101)
        at org.apache.velocity.runtime.parser.node.PropertyExecutor.<init>(PropertyExecutor.java:71)
        at org.apache.velocity.runtime.parser.node.PropertyExecutor.<init>(PropertyExecutor.java:48)
        at org.apache.velocity.util.introspection.UberspectImpl.getPropertyGet(UberspectImpl.java:371)
        at org.apache.velocity.util.introspection.AbstractChainableUberspector.getPropertyGet(AbstractChainableUberspector.java:100)
        at org.apache.velocity.util.introspection.DeprecatedCheckUberspector.getPropertyGet(DeprecatedCheckUberspector.java:65)
        at org.apache.velocity.util.introspection.AbstractChainableUberspector.getPropertyGet(AbstractChainableUberspector.java:100)
        at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:164)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
        at org.apache.velocity.runtime.parser.node.ASTReference.evaluate(ASTReference.java:674)
        at org.apache.velocity.runtime.parser.node.ASTExpression.evaluate(ASTExpression.java:63)
        at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:170)
        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: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$0(DefaultAsyncRendererExecutor.java:267)
        at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
        at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
        at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
        at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2516)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2494)
        at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:983)
        at sun.reflect.GeneratedMethodAccessor195.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
        at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
        at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258)
        at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
        at org.apache.velocity.Template.merge(Template.java:358)
        at org.apache.velocity.Template.merge(Template.java:262)
        at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
        at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
        at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
        at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
        at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:772)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:745)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:725)
        at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:711)
        at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:78)
        at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2516)
        at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2494)
        at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:983)
        at sun.reflect.GeneratedMethodAccessor195.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565)
        at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548)
        at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)
        at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
        at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:490)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:144)
        at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:328)
        at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:258)
        at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:301)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
        at org.apache.velocity.Template.merge(Template.java:358)
        at org.apache.velocity.Template.merge(Template.java:262)
        at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
        at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
        at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:217)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:180)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:137)
        at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:53)
        at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$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:2516)
        at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
        at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:88)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:670)
        at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:283)
        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:624)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:122)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:109)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$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)

Hi, this means you’re using a not supported Tomcat version (unsupported Servlet API version).

Please check the installation requirements at Installation (XWiki.org) and you’ll see it’ll lead you to Servlet Container Support Strategy (Community.SupportStrategy.ServletContainerSupportStrategy.WebHome) - XWiki

1 Like

Thank you for your help, @vmassol . Yes, you’re right, and I’ve resolved the issue following your advice. I uninstalled the other version of Tomcat, and installed Tomcat-9 (current latest v9.0.45), and everything works fine there after.