HTTP-404 \nwwv_flow.accept: SIGNATURE (parameter names) MISMATCH\nVARIABLES

Question

Hello Experts,
Im getting following error on my Apex Application :-
[Mon Jan 17 12:23:56 2011] [error] [client 148.197.8.17] [ecid: 85107896978,1] mod_plsql: /pls/jdbtest/wwv_flow.accept HTTP-404 \nwwv_flow.accept: SIGNATURE (parameter names) MISMATCH\nVARIABLES IN FORM NOT IN PROCEDURE: CHECKBOX\nNON-DEFAULT VARIABLES IN PROCEDURE NOT IN FORM: \n
I've got a form which a has a select list, depending on the select list, Check boxes are displayed on the form
I've got the following code in "HTML Form Element Attributes" for the Select list Item :-
onchange="setCheckbox(this, 'P3_CHECKBOX_ITEM');"
And I've got the following AJEX to create the Checkboxes :-
function setCheckbox(pThis, pItem){
var l_code = '';
var l_code1 = '';
// Get checkbox name
rName = $x(pItem).firstChild.name;
alert(rName);
// Fire AJAX
var get = new htmldb_Get(null,html_GetElement('pFlowId').value,'APPLICATION_PROCESS=CHECKBOX_LIST',0);
get.add('F109_SELECTLIST_ITEM_1',pThis.value);
gReturn = get.get('XML');
if (gReturn)
var values = gReturn.getElementsByTagName('value');
var messages = gReturn.getElementsByTagName('message');
// Build the checkbox
for (i=0; i<values.length; i++) {
var rValue = values.firstChild.nodeValue;
var rMessage = messages[i].firstChild.nodeValue;
if (rValue != 1) {
// l_code+='<DIV ID="P3_CHECKBOX_ITEM">Roles</DIV>';
//alert(rName);
l_code+='<input id='+pItem+' type=checkbox value='+rValue+' name="checkbox">';
l_code+='<label for='+pItem+'_'+i+'>'+rMessage+'</label>
if (l_code=='')
l_code1 += '<DIV ID="P3_CHECKBOX_ITEM"></DIV>';
else
l_code1 = '<br><DIV ID="P3_CHECKBOX_ITEM">Roles</DIV>'+l_code+'</br>';
$x(pItem).innerHTML = l_code1;
Everything works as it should I don't tick any of the check box, but as soon as I tick the check boxes I get the above mentioned Error.
Can anyone please help?
Thanks

Answer 1

You are trying to create a checkbox on the fly and submit it with the page.
But then APEX checks all the submitted items, detects your checkbox and doesn't know where to put it. So it raises an exception.
You should disable your checkbox before submit, then it won't get sent back to the server. You also could remove the "name" attribute of your checkbox, APEX will ignore it then. Whatever suits your needs best.
brgds,
Peter
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