---
name: "Plack::Middleware::LogWarn"
section: "3pm"
platform: "linux"
package: "libplack-middleware-logwarn-perl"
version: "0.001002-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Plack::Middleware::LogWarn"
---

# Plack::Middleware::LogWarn(3pm)

converts to warns to log messages

## NAME

Plack::Middleware::LogWarn - converts to warns to log messages

## VERSION

version 0.001002

## SYNOPSIS

```
 builder {
    enable 'LogWarn';
    $app;
 }
 # use it with another logger middleware
 builder {
    enable 'LogWarn';
    enable 'Log4perl', category => 'plack', conf => '/path/to/log4perl.conf';
    $app;
 }
```

## DESCRIPTION

LogWarn is a `"Plack::Middleware"` component that will help you get warnings into a logger. You probably want to use some sort of real logging system such as Log::Log4perl and another `"Plack::Middleware"` such as Plack::Middleware::Log4perl.

## CONFIGURATION

- logger

  optional, `"coderef"` that will capture warnings. By default it uses `"$env->{'psgix.logger'}"` with a level of `"warn"`.

## SEE ALSO

Plack::Middleware::Log4perl

## CREDITS

Thanks to Micro Technology Services, Inc. for funding the initial development of this module and frew (Arthur Axel "fREW" Schmidt \<frioux@gmail.com\>) for his extensive patience and assistance.

## AUTHOR

Geoffrey Darling \<geoffreydarling@gmail.com\>

## COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Geoffrey Darling.

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