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Dancer2::Core::Error(3) User Contributed Perl Documentation Dancer2::Core::Error(3)

Dancer2::Core::Error - Class representing fatal errors

version 0.400000

    # taken from send_file:
    use Dancer2::Core::Error;

    my $error = Dancer2::Core::Error->new(
        status    => 404,
        message => "No such file: `$path'"
    );

    Dancer2::Core::Response->set($error->render);

With Dancer2::Core::Error you can throw reasonable-looking errors to the user instead of crashing the application and filling up the logs.

This is usually used in debugging environments, and it's what Dancer2 uses as well under debugging to catch errors and show them on screen.

The error type.

The title of the error page.

This is only an attribute getter, you'll have to set it at "new".

The status that caused the error.

This is only an attribute getter, you'll have to set it at "new".

The message of the error page.

Create a new Dancer2::Core::Error object. For available arguments see ATTRIBUTES.

Populates the content of the response with the error's information. If $response is not given, acts on the app attribute's response.

Show the surrounding lines of context at the line where the error was thrown.

This method tries to find out where the error appeared according to the actual error message (using the "message" attribute) and tries to parse it (supporting the regular/default Perl warning or error pattern and the Devel::SimpleTrace output) and then returns an error-highlighted "message".

A main function to render environment information: the caller (using "get_caller"), the settings and environment (using "dumper") and more.

Creates a stack trace of callers.

An private function that tries to censor out content which should be protected.

"dumper" calls this method to censor things like passwords and such.

Private function that replaces illegal entities in (X)HTML with their escaped representations.

html_encode() doesn't do any UTF black magic.

This uses Data::Dumper to create nice content output with a few predefined options.

Dancer Core Developers

This software is copyright (c) 2022 by Alexis Sukrieh.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

2022-03-14 perl v5.32.1

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