Line 61: PageContext pageContext = jspFactory.getPageContext(servlet, request, response, null, true, 8192, true);
returns null, so
Line 69: Writer writer = pageContext.getOut();
fails.
This is on two flavours of Jetty and a recent Tomcat5 build. The strange thing is that I still get the example-war to work... If you cannot figure out this from my current (brief) info, hang on until tomorrow and I'll have time to do some more debugging (the app I'm testing is somewhat complex, so I'll have to remove a lot of parts to isolate the error). But, something has definitely changed. :)
Cheers,
Dag
Stacktrace follows:
java.lang.NullPointerException
at org.apache.jasper.runtime.PageContextImpl._initialize(PageContextImpl.java:127)
at org.apache.jasper.runtime.PageContextImpl.initialize(PageContextImpl.java:114)
at org.apache.jasper.runtime.JspFactoryImpl.internalGetPageContext(JspFactoryImpl.java:175)
at org.apache.jasper.runtime.JspFactoryImpl.getPageContext(JspFactoryImpl.java:154)
at com.opensymphony.webwork.dispatcher.VelocityResult.doExecute(VelocityResult.java:61)
at com.opensymphony.webwork.dispatcher.WebWorkResultSupport.execute(WebWorkResultSupport.java:53)
at com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:243)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.TimerInterceptor.intercept(TimerInterceptor.java:66)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:115)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:174)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:154)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:356)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
at org.mortbay.jetty.servlet.Dispatcher.dispatch(Dispatcher.java:206)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:133)
at com.glt.sms.web.filter.SignOnFilter.doFilter(SignOnFilter.java:105)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at com.opensymphony.webwork.lifecycle.RequestLifecycleFilter.doFilter(RequestLifecycleFilter.java:62)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(Unknown Source)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(Unknown Source)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:286)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1723)
at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:514)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1673)
at org.mortbay.http.HttpServer.service(HttpServer.java:879)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:783)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:945)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:800)
at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:454)
00:31:08.027 EVENT [PoolThread-1]org.apache.jasper.logging.DefaultLogger.realLog(DefaultLogger.java:135)45> JspFactoryImpl: Exception initializing page context: java.lang.NullPointerException
2003-10-22 00:31:08,077 [ERROR] dispatcher.VelocityResult - Unable to render Velocity Template, '/login-form.vm'
java.lang.NullPointerException
at com.opensymphony.webwork.dispatcher.VelocityResult.doExecute(VelocityResult.java:68)
at com.opensymphony.webwork.dispatcher.WebWorkResultSupport.execute(WebWorkResultSupport.java:53)
at com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:243)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.TimerInterceptor.intercept(TimerInterceptor.java:66)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:115)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:174)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:154)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:356)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
at org.mortbay.jetty.servlet.Dispatcher.dispatch(Dispatcher.java:206)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:133)
at com.glt.sms.web.filter.SignOnFilter.doFilter(SignOnFilter.java:105)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at com.opensymphony.webwork.lifecycle.RequestLifecycleFilter.doFilter(RequestLifecycleFilter.java:62)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(Unknown Source)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(Unknown Source)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:286)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1723)
at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:514)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1673)
at org.mortbay.http.HttpServer.service(HttpServer.java:879)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:783)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:945)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:800)
at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:454)
2003-10-22 00:31:08,097 [ERROR] dispatcher.ServletDispatcher - Could not execute action
java.lang.NullPointerException
at com.opensymphony.webwork.dispatcher.VelocityResult.doExecute(VelocityResult.java:68)
at com.opensymphony.webwork.dispatcher.WebWorkResultSupport.execute(WebWorkResultSupport.java:53)
at com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:243)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.interceptor.TimerInterceptor.intercept(TimerInterceptor.java:66)
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:153)
at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:115)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:174)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:154)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:356)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294)
at org.mortbay.jetty.servlet.Dispatcher.dispatch(Dispatcher.java:206)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:133)
at com.glt.sms.web.filter.SignOnFilter.doFilter(SignOnFilter.java:105)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at com.opensymphony.webwork.lifecycle.RequestLifecycleFilter.doFilter(RequestLifecycleFilter.java:62)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(Unknown Source)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(Unknown Source)
at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334)
at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:286)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1723)
at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:514)
at org.mortbay.http.HttpContext.handle(HttpContext.java:1673)
at org.mortbay.http.HttpServer.service(HttpServer.java:879)
at org.mortbay.http.HttpConnection.service(HttpConnection.java:783)
at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:945)
at org.mortbay.http.HttpConnection.handle(HttpConnection.java:800)
at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201)
at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289)
at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:454)
WebWorkVelocityServlet instead.
PageContext pageContext = jspFactory.getPageContext(this, request, response, null, true, 8192, true);
Patrick Lightbody wrote:
Dag, HEAD has been broken for velocity tags the last few days, but Matt is
working on it right now and I think already committed to CVS. Try it
now.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dag Liodden Sent: Tuesday, October 21, 2003 1:28 AM To: [EMAIL PROTECTED] Subject: [OS-webwork] HTTP ERROR: 500 processing JSP Tags is not currently supported
I've recently been getting this message again (had it some time ago): HTTP ERROR: 500 processing JSP Tags is not currently supported
The webwork-example.war still works when built with ant, but when I run the it from Ecplise it does not. I suppose there's some sort of classpatch clash (configuration files, probably)... I have no idea how to debug it since I don't know how the pipeline from Velocity back to WW
is constructed, but it is emitted by AbstractTagDirective.processTag(). Latest from HEAD is in place (since I was about create a patch for Velocity ToolBox support in VelocityManager).
Any input would be greatly appreciated!
Dag
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