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From "Mike Bremford" <mi...@paperx.com>
Subject RE: TC3.2b3 was interrupting me
Date Fri, 20 Oct 2000 14:55:59 GMT
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:fthielem@stahlnetz.com]
> 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>
> 
> 
> 
> 
> 

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