It looks to me like in your admin.jsp file you have something like
<logic:empty>
<logic:redirect>
</logic:redirect>
</logic:empty>
Something is wrong with your redirect tag.. make sure you are giving it the
correct parameters that are required etc... when all else fails use a
debugger and find out where exactly the null pointer exception is coming
from in the code.
-David
----- Original Message -----
From: "Otávio Augusto" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, January 05, 2004 3:03 PM
Subject: weird
please, i got a weird problem with struts. I haven't done anything different
from what i do hundres of times a day: edit something in an Action or
FormAction file, change small things in a jsp...ant build, shutdown,
startup...well, no matter what i do, it has never given me any problem. But
sundenly all the browser returns to me is a tomcat erros messagem like this:
java.lang.NullPointerException
at org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:521)
at org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:436)
at org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:396)
at org.apache.struts.taglib.logic.RedirectTag.doEndTag(RedirectTag.java:294)
at org.apache.jsp.admin_jsp._jspx_meth_logic_redirect_0(admin_jsp.java:153)
at org.apache.jsp.admin_jsp._jspx_meth_logic_empty_0(admin_jsp.java:130)
at org.apache.jsp.admin_jsp._jspService(admin_jsp.java:86)
this message comes from a page where i have a logic:empty tag. it used to
work just as i expected. but even the logon page does not work. it has
nothing more than two fields and.. well, the last time i touched this page
was one week ago. it does not work any more ;(
This is the error i get when trying to access the logon page:
org.apache.jasper.JasperException: Cannot find ActionMappings or
ActionFormBeans collection
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
54)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
I've already checked if any file is missing...but everything is there. just
like 5 minutes ago, when everything was working fine.
What may be the problem??
Please, if someone can help me, do it. If i don't solve this, i'll be stuck
in my tasks.
Otávio Augusto
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