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phorge-phorge/support
epriestley 08126d3904 Improve top-level exception handling
Summary:
Fixes T6692. Addresses two main issues:

  - The write guard would sometimes not get disposed of on exception pathways, generating an unnecessary secondary error which was just a symptom of the original root error.
    - This was generally confusing and reduced the quality of reports we received because users would report the symptomatic error sometimes instead of the real error.
    - Instead, reflow the handling so that we always dispose of the write guard if we create one.
  - If we missed the Controller-level error page generation (normally, a nice page with full CSS, etc), we'd jump straight to Startup-level error page generation (very basic plain text).
    - A large class of errors occur too early or too late to be handled by Controller-level pages, but many of these errors are not fundamental, and the plain text page is excessively severe.
    - Provide a mid-level simple HTML error page for errors which can't get full CSS, but also aren't so fundamental that we have no recourse but plain text.

Test Plan:
Mid-level errors now produce an intentional-looking error page:

{F259885}

Verified that setup errors still render properly.

@chad, feel free to tweak the exception page -- I just did a rough pass on it. Like the setup error stuff, it doesn't have Celerity, so we can't use `{$colors}` and no other CSS will be loaded.

Reviewers: chad, btrahan

Reviewed By: btrahan

Subscribers: epriestley, chad

Maniphest Tasks: T6692

Differential Revision: https://secure.phabricator.com/D11126
2015-01-02 10:49:27 -08:00
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aphlict Fix some functions being used before they are defined 2014-12-30 22:09:53 +11:00
bin Ignore and README for support/bin 2013-04-03 12:58:39 -07:00
empty Various linter fixes. 2014-02-26 12:44:58 -08:00
lint Allow JX to be redefined for NodeJS files 2014-12-31 08:39:25 +11:00
phame Delete license headers from files 2012-11-05 11:16:51 -08:00
PhabricatorStartup.php Improve top-level exception handling 2015-01-02 10:49:27 -08:00