16 lines
1.1 KiB
Markdown
16 lines
1.1 KiB
Markdown
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title: Custom error pages
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---
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# Custom error pages
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You can configure SVR.JS to serve custom error pages by adding _.<errorcode>_ (SVR.JS 3.0.0 or newer) or _<errorcode>.html_ pages. For the 404 error, you can specify it by changing the _page404_ property in _config.json_. From SVR.JS 3.8.0 onwards, you can use _errorPages_ property in _config.json_ to specify path to each custom error page.
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When designing custom error pages, you can make use of the following placeholders or templates:
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- _{errorMessage}_ - Displays the error code along with its short description.
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- _{errorDesc}_ - Displays a longer description of the server error.
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- _{stack}_ - Displays the error stack, which is equivalent to the _Error.stack_ property in JavaScript.
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- _{path}_ - Shows the path of the page that caused the error.
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- _{server}_ - Displays the server version string along with the hostname. For example, "_SVR.JS/3.9.6 (Linux; Node.JS/v12.22.12) on 127.0.0.1:8080_" or simply "_SVR.JS on svrjs.org_".
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- _{contact}_ - Displays the contact information of the server administrator, which can be set using the _serverAdministratorEmail_ property in _config.json_.
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