Tatsuhiko Miyagawa > Plack-1.0016 > Plack::Middleware::ErrorDocument

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Source   Latest Release: Plack-1.0030

NAME ^

Plack::Middleware::ErrorDocument - Set Error Document based on HTTP status code

SYNOPSIS ^

  # in app.psgi
  use Plack::Builder;

  builder {
      enable "Plack::Middleware::ErrorDocument",
          500 => '/uri/errors/500.html', 404 => '/uri/errors/404.html',
          subrequest => 1;
      $app;
  };

DESCRIPTION ^

Plack::Middleware::ErrorDocument allows you to customize error screen by setting paths (file system path or URI path) of error pages per status code.

CONFIGURATIONS ^

subrequest

A boolean flag to serve error pages using a new GET sub request. Defaults to false, which means it serves error pages using file system path.

  builder {
      enable "Plack::Middleware::ErrorDocument",
          502 => '/home/www/htdocs/errors/maint.html';
      enable "Plack::Middleware::ErrorDocument",
          404 => '/static/404.html', 403 => '/static/403.html', subrequest => 1;
      $app;
  };

This configuration serves 502 error pages from file system directly assuming that's when you probably maintain database etc. but serves 404 and 403 pages using a sub request so your application can do some logic there like logging or doing suggestions.

When using a subrequest, the subrequest should return a regular '200' response.

AUTHOR ^

Tatsuhiko Miyagawa

SEE ALSO ^

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