Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via XWiki.org JIRA by Fabio Mancinelli, 1 year ago
This exception has no message.
via XWiki.org JIRA by Jerome Velociter, 1 year ago
This exception has no message.
via XWiki.org JIRA by Raffaello Pelagalli, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at org.xwiki.context.DefaultExecution.getContext(DefaultExecution.java:50)	at com.xpn.xwiki.store.XWikiHibernateBaseStore.initialize(XWikiHibernateBaseStore.java:96)	at org.xwiki.plexus.lifecycle.phase.InitializePhase.execute(InitializePhase.java:44)	at org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:128)	at org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:142)	at org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:132)	at org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:90)	at org.codehaus.plexus.DefaultComponentLookupManager.lookup(DefaultComponentLookupManager.java:147)	at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:277)	at org.xwiki.plexus.manager.PlexusComponentManager.lookup(PlexusComponentManager.java:76)	at com.xpn.xwiki.web.Utils.getComponent(Utils.java:545)	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:675)	at com.xpn.xwiki.XWiki.(XWiki.java:656)	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:316)	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:387)	at com.xpn.xwiki.xmlrpc.XWikiReflectiveXmlRpcHandler.execute(XWikiReflectiveXmlRpcHandler.java:85)	at org.apache.xmlrpc.server.XmlRpcServerWorker.execute(XmlRpcServerWorker.java:43)	at org.apache.xmlrpc.server.XmlRpcServer.execute(XmlRpcServer.java:83)	at org.apache.xmlrpc.server.XmlRpcStreamServer.execute(XmlRpcStreamServer.java:182)	at org.apache.xmlrpc.webserver.XmlRpcServletServer.execute(XmlRpcServletServer.java:103)	at org.apache.xmlrpc.webserver.XmlRpcServlet.doPost(XmlRpcServlet.java:120)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:616)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428)	at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830)	at com.xpn.xwiki.plugin.webdav.DavFilter.doFilter(DavFilter.java:68)	at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)	at com.xpn.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:96)	at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)	at com.xpn.xwiki.web.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:287)	at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)	at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)	at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)	at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:471)	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568)	at org.mortbay.http.HttpContext.handle(HttpContext.java:1565)	at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633)	at org.mortbay.http.HttpContext.handle(HttpContext.java:1517)	at org.mortbay.http.HttpServer.service(HttpServer.java:954)	at org.mortbay.http.HttpConnection.service(HttpConnection.java:816)	at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:983)	at org.mortbay.http.HttpConnection.handle(HttpConnection.java:833)	at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)	at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)	at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)