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Commit5ad1599

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featuresymfony#3577 Development of custom error pages is impractical if you need to set kernel.debug=false (mpdude)
This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closessymfony#3577).Discussion----------Development of custom error pages is impractical if you need to set kernel.debug=falseAlso seesymfony/symfony#7446 andsymfony/symfony#1486Commits-------6aa90e0 Use WebfactoryExceptionsBundle instead of webfactory/exceptions-bundle2fee263 Update error_pages.rst435019c Point out the difference between error and exception pages.2194607 Add a pointer to webfactory/exceptions-bundle which helps with development of custom error pages.
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‎cookbook/controller/error_pages.rst

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@@ -29,13 +29,30 @@ control you need:
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which allows complete control over exception handling. For more
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information, see:ref:`kernel-kernel.exception`.
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The default ``ExceptionController`` will either display an
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*exception* or *error* page, depending on the setting of the ``kernel.debug``
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flag. While *exception* pages give you a lot of helpful
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information during development, *error* pages are meant to be
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shown to the end-user.
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..sidebar::Testing Error Pages during Development
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You should not set ``kernel.debug`` to ``false`` in order to see your
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error pages during development. This will also stop
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Symfony2 from recompiling your twig templates, among other things.
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The third-party `WebfactoryExceptionsBundle`_ provides a special
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test controller that allows you to display your custom error
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pages for arbitrary HTTP status codes even with
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``kernel.debug`` set to ``true``.
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All of the error templates live inside the TwigBundle. To override the
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templates, simply rely on the standard method for overriding templates that
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live inside a bundle. For more information, see
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:ref:`overriding-bundle-templates`.
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For example, to override the default error template that's shown to the
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end-user, create a newtemplate located at
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For example, to override the default error template, create a new
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template located at
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``app/Resources/TwigBundle/views/Exception/error.html.twig``:
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..code-block::html+jinja
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customized in the same way by creating templates such as
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``exception.html.twig`` for the standard HTML exception page or
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``exception.json.twig`` for the JSON exception page.
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.. _`WebfactoryExceptionsBundle`:https://github.com/webfactory/exceptions-bundle

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