You might want to check the log files in the tomcat installation directory for startup errors. (Unfortunately tomcat writes logs in several files, at least last time I checked. Just look into everything that has updated recently in the logs dir) A possible cause for the problem is that you have two xwiki webapps running in the same tomcat; maybe caused by having a custom context.xml duplicated or the like (?) But without the startup error from the log this is just a wild guess HTH Clemens ----- Ursprüngliche Nachricht ----- Von: Gervwyk Am: Mittwoch, 18.11.2015, 14:57 An: Xwiki Users Betreff: [xwiki-users] XWiki startup HTTP 500 issue

Good day.

Had xwiki set up and running for a while now. This morning windows 7 dicided to do a system recovery on startup. Now when I try to run XWiki I get a HTTP 500 error:

java.lang.NullPointerException com.xpn.xwiki.web.Utils.getContextComponentManager(Utils.java:695) com.xpn.xwiki.web.Utils.getComponent(Utils.java:752) com.xpn.xwiki.web.Utils.getComponent(Utils.java:719)

com.xpn.xwiki.web.XWikiRequestProcessor.processPath(XWikiRequestProcessor.java:47)

org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:154) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) javax.servlet.http.HttpServlet.service(HttpServlet.java:624) javax.servlet.http.HttpServlet.service(HttpServlet.java:731) com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)

org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63) com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66)

org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)

org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:137)

Any ideas where to start looking for the problem? I went over the configuration and all looks fine and MySQL is running and tomcat7 is running.. Not sure how to recover.

Thanks

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