Err... > <b>Root cause:</b> > <pre>java.lang.NullPointerException > at > _0002fhome_0002ejsphome_jsp_1._jspService(_0002fhome_0002ejsph > ome_jsp_1.java, > Compiled Code) Call it a guess but I'd say you had a null pointer exception. The blank page means that the browser doesn't think it should display what it got back, usually because it's outside the BODY tag or something. Cheers... Mike > -----Original Message----- > From: Fritz Thielemann [mailto:[EMAIL PROTECTED]] > Sent: 20 October 2000 00:09 > To: tomcat-user > Subject: Q: TC3.2b3 was interrupting me > > > Hi friends, > > I'm sitting here and working with a jsp application for the last two > hours (entering data into a database). > But in the middle of the road (after pressing the submit > button to save > changes) there appears a blank page > without any exception or alert. Totally strange, because it > was running > before and I haven't done anything except > entering data. > checked all logs (DB? up and running; ConnectionPool? fine; Apache? > working, no errors? tomcat (3.2b3)? nothing) > then I checked the 'view source' in netscape of the blank page and > found: > > <h1>Included servlet error: 500</h1> > <h2>Location:/mycontext/go_to_welcome.jsp</h2><b>Internal Servlet > Error:</b><br><pre>javax.servlet.ServletException > at > org.apache.jasper.runtime.PageContextImpl.handlePageException( > PageContextImpl.java:448) > > at > _0002fhome_0002ejsphome_jsp_1._jspService(_0002fhome_0002ejsph > ome_jsp_1.java, > Compiled Code) > at > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:865) > at > org.apache.jasper.servlet.JspServlet$JspServletWrapper.service > (JspServlet.java:177) > > at > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet > .java:309) > > at > org.apache.jasper.servlet.JspServlet.service(JspServlet.java, > Compiled Code) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:865) > at > org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper > .java:387) > > at org.apache.tomcat.core.Handler.service(Handler.java:263) > at > org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371) > at > org.apache.tomcat.facade.RequestDispatcherImpl.include(Request > DispatcherImpl.java:308) > > at > org.apache.jasper.runtime.PageContextImpl.include(PageContextI > mpl.java:407) > > at > _0002fgo_0005fto_0005fwelcome_0002ejspgo_0005fto_0005fwelcome_ > jsp_0._jspService(_0002fgo_0005fto_0005fwelcome_0002ejspgo_000 > 5fto_0005fwelcome_jsp_0.java:129) > > at > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:865) > at > org.apache.jasper.servlet.JspServlet$JspServletWrapper.service > (JspServlet.java:177) > > at > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet > .java:309) > > at > org.apache.jasper.servlet.JspServlet.service(JspServlet.java, > Compiled Code) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:865) > at > org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper > .java:387) > > at org.apache.tomcat.core.Handler.service(Handler.java:263) > at > org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371) > at > org.apache.tomcat.core.ContextManager.internalService(ContextM > anager.java:749) > > at > org.apache.tomcat.core.ContextManager.service(ContextManager.java:695) > at > org.apache.tomcat.service.connector.Ajp12ConnectionHandler.pro > cessConnection(Ajp12ConnectionHandler.java:166) > > at > org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java, > Compiled Code) > at > org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java, > Compiled Code) > at java.lang.Thread.run(Thread.java:479) > </pre> > <b>Root cause:</b> > <pre>java.lang.NullPointerException > at > _0002fhome_0002ejsphome_jsp_1._jspService(_0002fhome_0002ejsph > ome_jsp_1.java, > Compiled Code) > at > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:865) > at > org.apache.jasper.servlet.JspServlet$JspServletWrapper.service > (JspServlet.java:177) > > at > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet > .java:309) > > at > org.apache.jasper.servlet.JspServlet.service(JspServlet.java, > Compiled Code) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:865) > at > org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper > .java:387) > > at org.apache.tomcat.core.Handler.service(Handler.java:263) > at > org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371) > at > org.apache.tomcat.facade.RequestDispatcherImpl.include(Request > DispatcherImpl.java:308) > > at > org.apache.jasper.runtime.PageContextImpl.include(PageContextI > mpl.java:407) > > at > _0002fgo_0005fto_0005fwelcome_0002ejspgo_0005fto_0005fwelcome_ > jsp_0._jspService(_0002fgo_0005fto_0005fwelcome_0002ejspgo_000 > 5fto_0005fwelcome_jsp_0.java:129) > > at > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:865) > at > org.apache.jasper.servlet.JspServlet$JspServletWrapper.service > (JspServlet.java:177) > > at > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet > .java:309) > > at > org.apache.jasper.servlet.JspServlet.service(JspServlet.java, > Compiled Code) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:865) > at > org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper > .java:387) > > at org.apache.tomcat.core.Handler.service(Handler.java:263) > at > org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371) > at > org.apache.tomcat.core.ContextManager.internalService(ContextM > anager.java:749) > > at > org.apache.tomcat.core.ContextManager.service(ContextManager.java:695) > at > org.apache.tomcat.service.connector.Ajp12ConnectionHandler.pro > cessConnection(Ajp12ConnectionHandler.java:166) > > at > org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java, > Compiled Code) > at > org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java, > Compiled Code) > at java.lang.Thread.run(Thread.java:479) > </pre> > > > > >
