Add error pages for unhandled exceptions #269
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https://eaflood.atlassian.net/browse/WC-308 If an error occurs, we don't want users to be kicked out to a scary or unclear error page. Instead, we should present a page which uses the same GOV.UK templates, explains an issue has occured and states what their next steps are.
The ErrorsController serves a specific page for the error if one exists, or a generic one if there is no match. This is based on the implementation from FRAE (https://github.com/DEFRA/flood-risk-engine/)
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Cruikshanks
approved these changes
Sep 24, 2018
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https://eaflood.atlassian.net/browse/WC-308
If an error occurs, we don't want users to be kicked out to a scary or unclear error page. Instead, we should present a page which uses the same GOV.UK templates, explains an issue has occurred and states what their next steps are.