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Posted to commits@wicket.apache.org by "Ernesto Reinaldo Barreiro (JIRA)" <ji...@apache.org> on 2013/02/13 13:34:12 UTC
[jira] [Updated] (WICKET-5039) ajax post call handlers might not
get called because of failure on AJAX processEvaluation function
[ https://issues.apache.org/jira/browse/WICKET-5039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ernesto Reinaldo Barreiro updated WICKET-5039:
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Summary: ajax post call handlers might not get called because of failure on AJAX processEvaluation function (was: ajax post call handlers might not get called because of failure on problems with processEvaluation function)
> ajax post call handlers might not get called because of failure on AJAX processEvaluation function
> --------------------------------------------------------------------------------------------------
>
> Key: WICKET-5039
> URL: https://issues.apache.org/jira/browse/WICKET-5039
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.4.21, 1.5.8, 6.5.0
> Environment: any
> Reporter: Ernesto Reinaldo Barreiro
> Priority: Trivial
> Attachments: WICKET-5039.patch
>
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> We are having problems on Wicket 1.4.x with and "AJAX function" processEvaluation... and I see the code is practically the same at 6.x. So, let's bring the subject to the list...
> Our problem is that after evaluating some expressions with errors, screen "freezes" because post-call handlers are not called. Problem seems to be related to the code.
> // test if the javascript is in form of identifier|code
> // if it is, we allow for letting the javascript decide when the rest of processing will continue
> // by invoking identifier();
> var res = text.match(new RegExp("^([a-z|A-Z_][a-z|A-Z|0-9_]*)\\|((.|\\n)*)$"));
> if (res !== null) {
> var f = jQuery.noop;
> text = "f = function(" + res[1] + ") {" + res[2] + "};";
> try {
> // do the evaluation
> eval(text);
> f(notify);
> } catch (exception) {
> Wicket.Log.error("Wicket.Ajax.Call.processEvaluation: Exception evaluating javascript: " + exception + ", text: " + text);
> }
> }
> In case of error. Shouldn't it be
> try {
> // do the evaluation
> eval(text);
> f(notify);
> } catch (exception) {
> Wicket.Log.error("Wicket.Ajax.Call.processEvaluation: Exception evaluating javascript: " + exception + ", text: " + text);
> notify();
> }
> So that next steps in processing get called. The above solves or freezing problem in case of error
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