Hello everyone, I tried to use the Panel Wizard to change the Page Layout from the default setting of "Right Column" to "Left Column". When I clicked "Save the new layout" I received a prompt "The layout has been saved properly". However, a stack trace was written to the console. I am now left with no side columns at all. What am I doing wrong? Here's the message that is now written to the console when I navigate to the Panel Wizard page. 16:22:30,727 ERROR P1-18 http://localhost:8080/xwiki/bin/view/Panels/PanelWizard?forceLeftPanels=1&fo... SimpleLog4JLogSystem:logVelocityMessage:154 - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:22:30,747 ERROR P1-18 http://localhost:8080/xwiki/bin/view/Panels/PanelWizard?forceLeftPanels=1&fo... SimpleLog4JLogSystem:logVelocityMessage:154 - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:22:30,747 ERROR P1-18 http://localhost:8080/xwiki/bin/view/Panels/PanelWizard?forceLeftPanels=1&fo... SimpleLog4JLogSystem:logVelocityMessage:154 - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] I have installed xwiki-enterprise-1.1-milestone-3 on a Windows XP machine. For now, I'm using the default HSQL database and Jetty web server. Regards, Justin Robbins
Hello Folks, Now that I know that XWiki logs everything to xwiki.log (thanks Vincent!), I'm including the entire log that is written when I attempt to modify the Page Layout. A full description of my problem can be found in the thread below. Any help is appreciated. Thanks. 16:22:30,727 [P1-18] ERROR log.SimpleLog4JLogSystem - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:22:30,747 [P1-18] ERROR log.SimpleLog4JLogSystem - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:22:30,747 [P1-18] ERROR log.SimpleLog4JLogSystem - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:25:55,368 [P1-18] WARN web.XWikiAction - Uncaught exception: Error number 0 in 11: Uncaught exception Wrapped Exception: null com.xpn.xwiki.XWikiException: Error number 0 in 11: Uncaught exception Wrapped Exception: null at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:165) 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:596) 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$CachedChain.doFilter(WebApplicationHandler.java:830) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:118) at org.mortbay.jetty.servlet.WebApplicationHandler$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$PoolThread.run(ThreadPool.java:534) Wrapped Exception: java.lang.IllegalStateException at org.mortbay.jetty.servlet.ServletHttpResponse.getWriter(ServletHttpResponse.java:564) at com.xpn.xwiki.web.XWikiServletResponse.getWriter(XWikiServletResponse.java:93) at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:120) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:159) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) at javax.servlet.http.HttpServlet.service(HttpServlet.java:596) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428) at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:118) 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) 16:31:09,292 [P1-19] WARN web.XWikiAction - Uncaught exception: Error number 0 in 11: Uncaught exception Wrapped Exception: null com.xpn.xwiki.XWikiException: Error number 0 in 11: Uncaught exception Wrapped Exception: null at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:165) 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:596) 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$CachedChain.doFilter(WebApplicationHandler.java:830) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:118) at org.mortbay.jetty.servlet.WebApplicationHandler$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$PoolThread.run(ThreadPool.java:534) Wrapped Exception: java.lang.IllegalStateException at org.mortbay.jetty.servlet.ServletHttpResponse.getWriter(ServletHttpResponse.java:564) at com.xpn.xwiki.web.XWikiServletResponse.getWriter(XWikiServletResponse.java:93) at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:120) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:159) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) at javax.servlet.http.HttpServlet.service(HttpServlet.java:596) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428) at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:118) 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) 16:32:42,379 [P1-18] ERROR log.SimpleLog4JLogSystem - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:32:42,389 [P1-18] ERROR log.SimpleLog4JLogSystem - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:32:42,399 [P1-18] ERROR log.SimpleLog4JLogSystem - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] Regards, Justin Robbins [email protected] 07/19/2007 04:34 PM Please respond to [email protected] To [email protected] cc Subject [xwiki-users] Can't adjust Page Layout in Panel Wizard Hello everyone, I tried to use the Panel Wizard to change the Page Layout from the default setting of "Right Column" to "Left Column". When I clicked "Save the new layout" I received a prompt "The layout has been saved properly". However, a stack trace was written to the console. I am now left with no side columns at all. What am I doing wrong? Here's the message that is now written to the console when I navigate to the Panel Wizard page. 16:22:30,727 ERROR P1-18 http://localhost:8080/xwiki/bin/view/Panels/PanelWizard?forceLeftPanels=1&fo... SimpleLog4JLogSystem:logVelocityMessage:154 - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:22:30,747 ERROR P1-18 http://localhost:8080/xwiki/bin/view/Panels/PanelWizard?forceLeftPanels=1&fo... SimpleLog4JLogSystem:logVelocityMessage:154 - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] 16:22:30,747 ERROR P1-18 http://localhost:8080/xwiki/bin/view/Panels/PanelWizard?forceLeftPanels=1&fo... SimpleLog4JLogSystem:logVelocityMessage:154 - Left side ($first) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. Panels.PanelWizard [line 6, column 14] I have installed xwiki-enterprise-1.1-milestone-3 on a Windows XP machine. For now, I'm using the default HSQL database and Jetty web server. Regards, Justin Robbins _____________________________________________________________________________ Scanned by IBM Email Security Management Services powered by MessageLabs. For more information please visit http://www.ers.ibm.com _____________________________________________________________________________ _____________________________________________________________________________ Scanned by IBM Email Security Management Services powered by MessageLabs. 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