I traced it to a nullpointerexception. Didn't know why Struts is calling
toString() which throws NullPointerException. Anyway, it uncovers the
bug in my toString.
Thanks Hiran!
Sebastian
2004-10-06 17:47:33,268 ERROR [org.apache.struts.util.RequestUtils]
Error creating form bean of class
sg.edu.astar.flamingo.web.proteomics.form.FileForm
java.lang.NullPointerException
at
sg.edu.astar.flamingo.web.proteomics.form.FileForm.toString(FileForm.java:200)
at java.lang.String.valueOf(String.java:2131)
at java.lang.StringBuffer.append(StringBuffer.java:370)
at
org.apache.struts.util.RequestUtils.createActionForm(RequestUtils.java:844)
at
org.apache.struts.action.RequestProcessor.processActionForm(RequestProcessor.java:364)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:253)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
On Wed, 2004-10-06 at 19:08, [EMAIL PROTECTED] wrote:
> Hi, Sebastian.
>
> It looks like the call to new FileForm() throws an exception.
> Have a look at your Tomcat logfiles. There might be more information about the JSP
> compiler failing.
>
> If that is not the case, check that the class exists (class name/package name).
> If it is the first instantiation in your application, it might be a class loading
> problem. Maybe another class FileForm relies on cannot be found.
> If it is a second, ... instantiation check what code runs in the default constructor.
>
> This is what I'd go for.
>
> Hiran
>
> -----------------------------------------
> Hiran Chaudhuri
> SAG Systemhaus GmbH
> Elsenheimer StraÃe 11
> 80867 MÃnchen
> Phone +49-89-54 74 21 34
> Fax +49-89-54 74 21 99
>
>
>
>
> > -----Original Message-----
> > From: Sebastian Ho [mailto:[EMAIL PROTECTED]
> > Sent: Mittwoch, 6. Oktober 2004 11:57
> > To: Struts Users Mailing List
> > Subject: RE: Cannot create ActionForm
> >
> > You mean struts log file? Give me some time. Mean while this
> > is the output from my server.
> >
> > 18:28:33,772 ERROR [Engine] ApplicationDispatcher[/Flamingo]
> > Servlet.service() for servlet jsp threw exception
> > org.apache.jasper.JasperException: Exception creating bean of class
> > sg.edu.astar.flamingo.web.proteomics.form.FileForm: {1}
> > at
>
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