如何解决 laravel/snappy 错误代码 127？

Question

Recently i have updated laravel to version 7 and when i want to download the pdf from laravel/snappy i get this error :

The exit status code '127' says something went wrong:\nstderr: \"sh: 1: /usr/local/bin/wkhtmltopdf: not found\n\"\nstdout: \"\"\ncommand: /usr/local/bin/wkhtmltopdf --lowquality --orientation 'landscape' --page-size 'a4' --encoding 'utf-8' '/tmp/knp_snappy5fa9279006a045.56009440.html' '/tmp/knp_snappy5fa9279006aaf0.09066361.pdf

original code generating this error :

$data['company'] = $this->user->company->toArray();
        $data['departments'] = $this->user->company->departments->toArray();

        $this->prepareText($data);

        /* @var $pdf PdfWrapper */
        $pdf = App::make('snappy.pdf.wrapper');
        $pdf->loadView('ticket.index', compact('data'))
            ->setOrientation('landscape')
            ->setOption('encoding', 'utf-8')
            ->setPaper('a4');

        return $pdf->inline(sprintf('Employee-Report-(%s).pdf', Jalalian::forge('now')
            ->format('Y-m-d')));

Answer 1

The best option should be install wkhtmltopdf as an composer dependency install this

And after in config for an example config/snappy.php

 'pdf' => [
    'enabled' => true,
    'binary'  => env(
        'WKHTML_PDF_BINARY',
        base_path('vendor/h4cc/wkhtmltopdf-amd64/bin/wkhtmltopdf-amd64'),
    ),
    'timeout' => false,
    'options' => [],
    'env'     => [],
],

'image' => [
    'enabled' => true,
    'binary'  => env(
        'WKHTML_IMG_BINARY',
        base_path('vendor/h4cc/wkhtmltoimage-amd64/bin/wkhtmltoimage-amd64'),
    ),
    'timeout' => false,
    'options' => [],
    'env'     => [],
],

Answer 2

If you are working on Linux or macOS, run $ which wkhtmltopdf to find where the binary is stored on your machine (provided that you've installed the software).

Then, make sure config/snappy.php configuration points to that binary, see:

    'pdf' => [
        'enabled' => true,
        'binary'  => env('WKHTML_PDF_BINARY', '/usr/local/bin/wkhtmltopdf'),
        'timeout' => false,
        'options' => [],
        'env'     => [],
    ],

    'image' => [
        'enabled' => true,
        'binary'  => env('WKHTML_IMG_BINARY', '/usr/local/bin/wkhtmltoimage'),
        'timeout' => false,
        'options' => [],
        'env'     => [],
    ],

If you store your binary paths in .env file, you may need to clear the cache with php artisan config:clear .

Answer 3

I'm using laradock and php 7.4 and got the same problem. Just replace the code below in laradock\php-fpm\Dockerfile

ARG INSTALL_WKHTMLTOPDF=true

RUN if [ ${INSTALL_WKHTMLTOPDF} = true ]; then \
    apt-get install -y \
    libxrender1 \
    libfontconfig1 \
    libx11-dev \
    libjpeg62 \
    libxtst6 \
    fontconfig \ 
    libjpeg62-turbo \
    xfonts-base \
    xfonts-75dpi \
    wget \
    && wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.stretch_amd64.deb -O /usr/local/bin/wkhtmltopdf \
    && chmod +x /usr/local/bin/wkhtmltopdf \
    && dpkg -i --force-depends /usr/local/bin/wkhtmltopdf \
    && apt -f install \
;fi

Then,

docker-compose build php-fpm workspace

Answer 4

In Ubuntu 22.04/20.04 you can easily install it through:

wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.focal_amd64.deb
sudo apt install ./wkhtmltox_0.12.6-1.focal_amd64.deb

Answer 5

I finally got the answer . Problem is that i am using utf-8 for persian parsing and the only version of wkhtmltopdf which is working with that is 0.12.16-1 and as a result the binary directory which is responsible for saving the pdf is different in newer versions .

In conclusion, if you are using wkhtmltopdf and getting this error you should change the binary directory in your nginx (or your chosen web server ) to make it work