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https://issues.apache.org/jira/browse/MYFACES-2881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12898833#action_12898833
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Werner Punz commented on MYFACES-2881:
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Ok I coded an external solution as well which you can apply:
function fixViewStates(data) {
if (data.status == "success") {
//do the viewstate post processing here
var responseXML = data.responseXML;
if (!responseXML) return;
//first fetch the update element holding the viewstate
var viewStateVal = null;
var foundUpdates = responseXML.getElementsByTagName("update");
if (!foundUpdates) return;
for (var cnt = foundUpdates.length - 1; viewStateVal == null && cnt >=
0; cnt -= 1) {
if (foundUpdates[cnt].getAttribute("id") ==
"javax.faces.ViewState") {
viewStateVal = foundUpdates[cnt].firstChild.nodeValue;
}
}
if (!viewStateVal) return;
for (var cnt = document.forms.length - 1; cnt >= 0; cnt -= 1) {
//viewstate is in a cdata block
_setVSTForm(document.forms[cnt], viewStateVal);
}
}
}
function _setVSTForm(theForm, viewstateVal) {
var viewStateField = (theForm.elements) ?
theForm.elements["javax.faces.ViewState"] :
null;//this._Dom.findFormElement(elem, this.P_VIEWSTATE);
if (viewStateField) {
viewStateField.value = viewstateVal;
} else if (!viewStateField) {
var element = document.createElement("div");
element.innerHTML = ["<input type='hidden' name='",
"javax.faces.ViewState" ,"' value='" , viewstateVal , "' />"].join("");
try {
theForm.appendChild(element.childNodes[0]);
} finally {
element.innerHTML = "";
//ie gc screwup fixup
if ("undefined" != typeof element.outerHTML) {
element.outerHTML = "";
}
}
}
}
you can use this function as a listener:
jsf.ajax.request(document.getElementById('queued3'), event, {execute:'@this',
render:'refresh', onevent: fixViewStates});
if you send the function down as onevent handler or register it as global
handler it also will fix the viewstate for mojarra properly in a non portlet
environment.
This solution definitely works over both implementations and fixes the issue
properly.
> Server state saving with two forms, ajax and normal request is broken
> ---------------------------------------------------------------------
>
> Key: MYFACES-2881
> URL: https://issues.apache.org/jira/browse/MYFACES-2881
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 2.0.1, 2.0.2-SNAPSHOT
> Environment: myfaces 2.0.1 or trunk;
> Reporter: Martin Kočí
> Priority: Blocker
> Fix For: 2.1.0
>
>
> Use simple xhtml with:
> <h:form id="form1">
> <h:commandButton value="Partial">
> <f:ajax execute="@this" render="@this" />
> </h:commandButton>
> </h:fom>
> </h:form>
> <h:form id="form2">
> <h:commandButton value="Full" />
> </h:form>
> then:
> 1) click "Partial" button 20x or more
> 2) click "Full" button
> -> ViewExpiredException appears. If you click "Partial" 19 times or less
> ViewExpiredException does not appear.
> 20 is default for NUMBER_OF_VIEW_IN_SESSION - it you set this param to 1 you
> reproduce this problem with two clicks. Maybe there is more simple test case
> for reproducing this issue but I didn't find it yet.
> This bug is present in 2.0.1 already and is related to server state saving:
> myfaces 2.0.1:
> PSS + server: failed
> PSS + client: ok
> FSS + server: failed
> FSS + client: ok
> myfaces 2.0.2-SNAPSHOT:
> PSS + server: failed
> PSS + client: ok
> FSS + server: failed
> FSS + client: ok
> Very likely this causes MYFACES-2877 too.
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