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https://issues.apache.org/jira/browse/WICKET-5039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582046#comment-13582046
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Ernesto Reinaldo Barreiro commented on WICKET-5039:
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Martin.
Ok... Maybe what is missing is improving the JavaScript doc to state this
directly...
> 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, wicket5039.tar.gz
>
> 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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