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via XWiki.org JIRA by Artem Melentev, 1 year ago
java.lang.NullPointerException: 	at com.xpn.xwiki.XWiki.rollback(XWiki.java:6296)	at com.xpn.xwiki.web.RollbackAction.action(RollbackAction.java:59)	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:215)	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:115)	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)	at com.xpn.xwiki.web.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:287)	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)	at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)	at org.mortbay.jetty.Server.handle(Server.java:324)	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828)	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)	at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)