[Webkit-unassigned] [Bug 8519] WebCore doesn't fire window.onerror event when uncaught JavaScript exceptions are thrown

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=8519


kangax <kangax at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |kangax at gmail.com




--- Comment #32 from kangax <kangax at gmail.com>  2009-09-11 23:03:47 PDT ---
(In reply to comment #31)
> The bottom line is that you can't put try/catch everywhere, and especially (and
> unfortunately) considering the performance hit it represent. What I'm
> interested in building is a way to trap unexpected errors and send it
> automatically with details, user agent, stack trace etc to a backend
> application in order to learn about bugs users will never report and help have
> an idea of their frequency.

[...]

I second that, and actually is exactly what I'm doing in supporting clients.
Trapping all unexpected errors at the top level does in fact reveal some of the
unexpected glitches in application.

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