Serious Bug! ajax cant work using multiple forms.
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Key: MYFACES-2637
URL: https://issues.apache.org/jira/browse/MYFACES-2637
Project: MyFaces Core
Issue Type: Bug
Components: JSR-314
Affects Versions: 2.0.0-beta-3
Environment: tomcat 6.0.20, java 1.6 (mac osx)
Reporter: Mark Li
Priority: Blocker
I am using multiple forms. the second form can submit correctly first time,
but when you submit again, the ajax cant work.
you can try following code, first time the form f1 can reRend out1, but then
form f1 cant submit any more.
test.jspx:
<h:head>
</h:head>
<h:body>
<h:outputScript name="jsf.js" library="javax.faces"
target="head"/>
<h:form id="f0">
</h:form>
<h:form id="f1">
<h:inputText value="#{TestBean.value}"/>
<h:outputText id="out1" value="#{TestBean.value}"/>
<h:commandButton value="click me"
onclick="jsf.ajax.request(this,event,{execute:'@form', render:'@form'});return
false;"></h:commandButton>
</h:form>
</h:body>
The reason i find is that:
during the first time submit and ajax rendering, the form will lose <input
type="hidden" id="javax.faces.ViewState"/> childnode. Then the following submit
will not work.
the code in jsf.js causes this problem:
jsf.js:
myfaces._impl.xhrCore._AjaxResponse.prototype.processUpdate = function
(request, context, node) {
if (node.getAttribute("id") == "javax.faces.ViewState") {
sourceForm = document.forms.length > 0 ? document.forms[0] : null;
....
}
" sourceForm = document.forms.length > 0 ? document.forms[0] : null; " is wrong!
when there is multiple forms, it will always find the first one.
Please change this, thx.
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