Passing variables to Java using Ajax DWR

[Gran Roguismo]

I'm picking up a project using Ajax an din specific DWR. I don't know too much about either though and seem to be stuck on something that hopefully seems easy to everyone else.

I am trying to pass a variable string from my JSP page to my java method. Although the examples on the DWR site work there, when I try seemingly the same code I get the same result on my site, a message popping up saying "Invalid reply from server"

my setup is this. I put the method class into the dwr.xml

<dwr>
<allow>
    <create creator="new" javascript="Remote" scope="application">
      <param name="class" value="Remote"/>
    </create>
    </allow>
</dwr>

A created the classes to pull from with 2 parameters

public class Remote {
public void log(String type, String message) {
System.out.println(message);
}
}

and I put the javascript in the page

    window.onLaod = function() {
    Remote.log(null, "", "test");
    };

where did I go wrong though? thanks for any help.

[B Stapleton]

and I put the javascript in the page

Does this mean that you included the /dwr/engine.js and /dwr/interface/Remote.js files?
If so, try going to your DWR test page (webappRootUrl/dwr) to see if it has created the Remote.js file.
Look to see if the Remote.js file that was created contains a function named "log" which takes two parameters. If not, you may need to add an <include> tag to your dwr.xml

I'm not a super proficient DWR user, but I've tinkered with it a bit. Paste your whole Java class, dwr.xml and html page and I can try and run it/debug it.

[Bear Bibeault]

Gran Roguismo wrote:and I put the javascript in the page

    window.onLaod = function() {
    Remote.log(null, "", "test");
    };

Is this really what's on the page? If so, check your spelling. If not, please read AvoidRedHerrings.