Custom result type reference is causing my deploy to fail

[Chris Montgomery]

I feel like I've implemented my custom result type correctly, yet tomcat hates me and refuses to deploy my app...

Error Message:
There is no result type defined for type 'captchaImage' mapped with name 'success'. Did you mean 'captchaImage'? - result -

struts.xml<struts> <constant name="struts.devMode" value="true" /> <constant name="struts.custom.i18n.resources" value="messages" /> <constant name="struts.ui.theme" value="simple"/> <constant name="struts.serve.static" value="false"/> <constant name="struts.i18n.reload=false" value="false"/> <constant name="struts.configuration.xml.reload" value="false"/> <!-- Configuration for the default package. --> <package name="system-default" namespace="/" extends="struts-default"> <!-- RESULT TYPE DEFINITION --> <result-types> <result-type name="captchaImage" class="com.solo.ui.result.JCaptchaImageResult" /> </result-types> <global-results> <result name="exception">/error/error.jsp</result> </global-results> <global-exception-mappings> <exception-mapping exception="java.lang.Throwable" result="exception"/> </global-exception-mappings> <action name="login"> <result>/security/login.jsp</result> </action> ... <!-- RESULT TYPE USAGE --> <action name="jcaptchaImage"> <result type="captchaImage"/> </action> <action name="index"> <result>/index.jsp</result> </action> </package> </struts>

I'm not using any plugins.
I get the same error whether my jcaptchaImage.action references a class or not
Based on a few book references, it all looks good.

My goal is to have my captcha image's src reference my action:
<img id="captchaImage" src="${pageContext.request.contextPath}/jcaptchaImage.action"/>


Thanks!!

[pooja par]

you are using result-type in the wrong way

result-type specifies whether the result should be map, list, json etc..
Please see the below sample code
JSP

<package name="jsonPackage" namespace="/" extends="json-default">
	  <result-types>
	     <result-type name="json" class="com.googlecode.jsonplugin.JSONResult"/> 
	  </result-types>  
   
   	  <action name="managersAutoCompleter1" method = "execute" class="com.wellmanage.trading.eieio.actions.ManagersAutoCompleter1">
       	 <result type="json" name="success"><param name="root">managerNames</param></result> 
      </action>
</package>

"managerNames" is the array of strings which I am returning from the action class.. But I want to display them in JSON format.. so I mentioned result-type as json.
Action.java

public class ManagersAutoCompleter1 extends ActionSupport
{
        private String term;
    	List<String> managerList = new ArrayList<String>();
        private String[]  managerNames; 
        public String execute() throws Exception {
                if(StringUtils.isNotBlank(term)){
            		managerList = ValidationManagerDAOImpl.getInstance().getManagersList(term);
            		managerNames =managerList.toArray(new String[managerList.size()]);
            	} else{
            		managerNames   = null;
            	}
                 return SUCCESS;
        }

       public String[] getManagerNames() {
           return managerNames;
       }
       public void setTerm(String term) {
                this.term = term;
        }
}

[pooja par]

sorry.. the code which I specified as JSP is Struts.xml

[Chris Montgomery]

I'm not sure I'm convinced.

The way I understand it, the result type 'name' attribute is just that. a name. I can chose any string I want - like "json" in your example.
In addition to the name attribute, you must enter a class attribute to point to your custom Result class.
Finally in your action, you should be able to reference that newly created result type by its name.

Tomcat shouldn't care about the name I've used, it's just a pointer to my class isn't it?
My guess is that if you rename your result type from "json" to "myCustomJSON" and reference that in your action configuration, it will still work.

What's actually return is based on what is loaded in your execute method of your Result class.
Here's an example method taken from a tutorial:

public void execute(ActionInvocation invocation) throws Exception {
        HTMLProvider htmlProvider = (HTMLProvider) invocation.getAction();
        String html = htmlProvider.getHTML();

        HttpServletResponse response = (HttpServletResponse) invocation
                .getInvocationContext()
                .get(StrutsStatics.HTTP_RESPONSE);

        response.setContentType("text/html");
        response.setContentLength(html.length());

        ServletOutputStream outstream = response.getOutputStream();

        outstream.write(html.toString().getBytes());
        outstream.flush();
    }

As you can see, it's just loading up the response object with 'stuff', so your JSP can do things with it.
I have the action coded and the Result coded, I'm just trying to figure out how to convince Tomcat my configuration is correct!

I actually think I don't even need to go this route. I'm starting to see evidence that I can load up the response object from my action after all (rather than creating a Result class).
I'll post my results.