Action Form error.

[digant . k . joshi]

Somehow I am  getting   ActionForm is null when one of the Action is 
called.

How can I find out if ActionForm object was created after jsp forwarded to 
ActionServlet. ?


Here is my details.

web.action.SectorAction  has 

public ActionForward setUpForInsertOrUpdate(ActionMapping mapping, 
ActionForm form, HttpServletRequest request, HttpServletResponse response) 
throws Exception {
        SectorForm sectForm = (SectorForm)form;
                ....
                ...
struts-config.xml   has

                <action
                path="/sectorSetUp"
                name="sectorForm"
                type="web.action.SectorAction"
                scope="request"
                parameter="dispatch">
            <forward name="success" path="/sectorForm.jsp"/>
        </action>
 
I am getting exception 

        java.lang.NullPointerException
                 at web.action.SectorAction.isUpdate(SectorAction.java:92)
                 at 
web.action.SectorAction.setUpForInsertOrUpdate(SectorAction.java:36)
                 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)
                 at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
                 at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
                 at java.lang.reflect.Method.invoke(Method.java:324)
....
...


What is going on ?

Thanks.

Digant
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