Tapestry ajax form swallows server-side errors
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Key: TAP5-722
URL: https://issues.apache.org/jira/browse/TAP5-722
Project: Tapestry 5
Issue Type: Bug
Components: tapestry-core
Affects Versions: 5.1.0.5
Reporter: Ciaran Wood
I've encountered a bug in T5.1.0.5 where a form that submits via ajax (i.e.
The form has its zone parameter set) will never notify the user if the
server-side action fails. I've traced it down to this line in tapestry.js:
// Set a default failure handler if none is provided.
options.onFailure |= Tapestry.ajaxFailureHandler;
This line is in the sendAjaxRequest function that gets added to all form
elements via Prototype's Element.addMethods function. I used firebug to
debug the above statement and instead of the OR assignment that it looks
like, options.onFailure actually ends up being assigned the value '0'. I
guess this means that its only a bitwise operation and can't be used for
functions etc.
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