I don't have much idea of what you could this.

You don't have any other error before this one ? Maybe try to enable a
bit more log in Tomcat (see the log setup suggested in
http://platform.xwiki.org/xwiki/bin/view/AdminGuide/InstallationTomcat#HSEVERE:ErrorlistenerStart).

On Tue, Dec 13, 2016 at 12:21 PM, KirbY ZhoU <kirbyz...@gmail.com> wrote:
>
>
>
> How to startup XWiki-8.4.2 with Centos-7 and Tomcat-7?
>
> I downloaded a .WAR version package of XWiki-8.4.2 under Centos-7.
> And run it with Tomcat-7
> The servlet always cannot be initialized:
>
> Package versions:
>
> tomcat-7.0.69-10.el7.noarch
> java-1.8.0-openjdk-1.8.0.111-1.b15.el7_2.x86_64
>
> The error message is below:
>
> #] cat localhost.2016-12-13.log
> Dec 13, 2016 6:59:06 PM org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet [action] in context with path [/xwiki] 
> threw exception
> javax.servlet.UnavailableException: Cannot initialize RequestProcessor of 
> class com.xpn.xwiki.web.XWikiRequestProcessor: java.lang.NullPointerException
>         at 
> org.apache.struts.action.ActionServlet.getRequestProcessor(ActionServlet.java:614)
>         at 
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1910)
>         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:112)
>         at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
>         at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>         at 
> org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
>         at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
>         at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>         at 
> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
>         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:136)
>         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:220)
>         at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
>         at 
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
>         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:956)
>         at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
>         at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
>         at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
>         at 
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
>         at 
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at 
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>         at java.lang.Thread.run(Thread.java:745)
>
> Dec 13, 2016 6:59:06 PM org.apache.catalina.core.ApplicationContext log
> INFO: Marking servlet action as unavailable
> Dec 13, 2016 6:59:06 PM org.apache.catalina.core.ApplicationContext log
> INFO: Marking servlet action as unavailable
> Dec 13, 2016 6:59:06 PM org.apache.catalina.core.ApplicationDispatcher invoke
> WARNING: Servlet action is currently unavailable
> Dec 13, 2016 6:59:06 PM org.apache.catalina.core.ApplicationDispatcher invoke
> WARNING: Servlet action is currently unavailable
> Dec 13, 2016 6:59:14 PM org.apache.catalina.core.ApplicationDispatcher invoke
> WARNING: Servlet action is currently unavailable
> Dec 13, 2016 7:00:34 PM org.apache.catalina.core.ApplicationDispatcher invoke
> WARNING: Servlet action is currently unavailable
>
>
>
>
> --
> Kirby Zhou  -  分机2557
>
>
>
>
>
>
>



-- 
Thomas Mortagne

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