You should really look at the Tomcat logs, as the message mentions.  Perhaps
if you posted the root cause of the exception, and more context, someone
could help you.  That said, what gives you the impression that it's the
Action and not something else, like the ActionForm?  Did it manifest itself
on submit of the form?  On load of the JSP?  Is the ActionForm on the
classpath?  What about the Action?

On 8/23/06, sheetal <[EMAIL PROTECTED]> wrote:

Hi,
During deployment on tomcat,
when my jsp ties to invoke action class,
following error is flashed..

*type* Exception report

*message*

*description* _The server encountered an internal error () that
prevented it from fulfilling this request._

*exception*

javax.servlet.ServletException: Servlet execution threw an exception

*root cause*

java.lang.NoClassDefFoundError
       sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
       sun.reflect.NativeConstructorAccessorImpl.newInstance(
NativeConstructorAccessorImpl.java:39)
       sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
DelegatingConstructorAccessorImpl.java:27)
       java.lang.reflect.Constructor.newInstance(Constructor.java:494)
       java.lang.Class.newInstance0(Class.java:350)
       java.lang.Class.newInstance(Class.java:303)
       org.apache.struts.util.RequestUtils.applicationInstance(
RequestUtils.java:143)
       org.apache.struts.action.RequestProcessor.processActionCreate(
RequestProcessor.java:280)
       org.apache.struts.action.RequestProcessor.process(
RequestProcessor.java:218)
       org.apache.struts.action.ActionServlet.process(ActionServlet.java
:1194)
       org.apache.struts.action.ActionServlet.doPost(ActionServlet.java
:432)
       javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
       javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

*note* _The full stack trace of the root cause is available in the
Apache Tomcat/5.5.17 logs.
_

_Does anybody has any idea why is it so...(Why is the servlet exceotion
thrown)
REgards,
Sheetal
_




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