I have a jsp where I want to include a button that will simply invoke a new
struts action, which is a ForwardAction that invokes the Tiles definition
for a new page. At first I tried this with a Struts tag, as below:
<html:form action="/BuildPostMessageViewAction">
<html:submit value="Post message for this classmate"/>
</html:form>
However, I was getting the following error in my browser:
[ServletException in:/classmateInfoData1.jsp] Cannot retrieve
definition for form bean null' javax.servlet.jsp.JspException: Cannot
retrieve definition for
form bean null at
org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:831)
at...
...
I guess this was becuse I was defining a form in my JSP, yet there really
aren't any form fields, nor any form associated with the action invoked by
the button. So, I swapped out that code for the straight HTML:
<FORM METHOD="LINK" ACTION="BuildPostMessageViewAction.do">
<INPUT TYPE="submit" VALUE="Post message for this classmate">
</FORM>
This works fine, but I have to ask, is this how a purely struts application
should be written, or is there a truly struts-based solution to what I was
trying to do?
Thanks!
p.s., if it helps here is the relevant snippet from struts-config.xml:
<action path="/BuildPostMessageViewAction"
type="org.apache.struts.actions.ForwardAction" parameter="postMessageDef">
</action>
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