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I got this error: "QXcbConnection: Could not connect to display Aborted" #116

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I got this error: "QXcbConnection: Could not connect to display Aborted"#116
@ykh

Description

@ykh
ykh
opened on Oct 7, 2015

Here is my code in controller:

public function printmeAction()
    {
        $file = "twig-test.pdf";

        $html = $this->renderView(
          'AppBundle::printme.html.twig',
          array(
            'msg'  => 'WOW! You Printed Me :D',
            'body' => true,
          )
        );

        return new Response(
          $this->get('knp_snappy.pdf')->getOutputFromHtml($html),
          200,
          array(
            'Content-Type'        => 'application/pdf',
            'Content-Disposition' => 'attachment; filename="'.$file.'"',
          )
        );
    }

I got this error when printme action is called:
The exit status code '134' says something went wrong:
stderr: "QXcbConnection: Could not connect to display
Aborted"

OS: Debian 8 (Jessie)
wkhtmltopdf version is 0.12.1
knplabs/knp-snappy": "~0.4.2"
knplabs/knp-snappy-bundle": "~1.3"

Activity

akovalyov

akovalyov commented on Oct 7, 2015

@akovalyov
akovalyov
on Oct 7, 2015
Contributor

Not Snappy related - wkhtmltopdf/wkhtmltopdf#2037
You should update wkhtmltopdf to latest, see https://github.com/KnpLabs/snappy/blob/master/doc/faq.md#q-it-says-wkhtmltopdf-cannot-connect-to-x-server-or-xvfb-run-error-xvfb-failed-to-start. I will update the readme and include this exception to FAQ as well.

ykh

ykh commented on Oct 7, 2015

@ykh
ykh
on Oct 7, 2015
Author

@akovalyov Yes, you right. I just download and install latest debian package and it works fine!
So tnx :)

ykh
closed this as completedon Oct 7, 2015
bluemanos

bluemanos commented on Dec 13, 2015

@bluemanos
bluemanos
on Dec 13, 2015

I'm getting the error for 0.12.2.4 wkhtmltopdf as well :/

root@mia:/tmp# wkhtmltopdf -V
wkhtmltopdf 0.12.2.4

Xubuntu 15.10 64bit

akovalyov

akovalyov commented on Dec 14, 2015

@akovalyov
akovalyov
on Dec 14, 2015
Contributor

@bluemanos
It is really bad that you receive this exception. However, it is not wkhtmltopdf package support, so I am pretty sure that we can't help you, because it is nothing related to snappy package. Moreover, you haven't commented out the way you have installed wkhtmltopdf.
Please, check out that you have installed libx11-6, libxext6 and libxrender1 (and all other required by the package deps).
And I encourage you to comment on the existing issue in wkhtmltopdf/wkhtmltopdf repo next time if it is not related to SnappyBundle. It will also help the maintainers of this piece of software and users of it.

akovalyov
mentioned this on Feb 12, 2016
rsaylor73

rsaylor73 commented on Jun 16, 2016

@rsaylor73
rsaylor73
on Jun 16, 2016

I had the same issue with CentOS 6.8. There is a bug somewhere with wkhtmltopdf. I ended up downloaded an older version and it worked.

https://jaimegris.wordpress.com/2015/03/03/how-to-install-wkhtmltopdf-in-centos-6-5/

sithuaung
mentioned this on Aug 4, 2016
rubenvdlinde

rubenvdlinde commented on Oct 10, 2016

@rubenvdlinde
rubenvdlinde
on Oct 10, 2016 · edited by rubenvdlinde

I stil get this error on on a ubuntu16 server, be it on symfony2 and php 6.2. The problem keeps showing up al the way to wkhtmltopdf 0.13 so it seems that the problem is here to stay. That does have something to do with the internal workings of QX3 v.s. QX5 (wkhtmltopdf switched to the later.

A clean solution is to use xvfb from kpnSnappy and ad a line in the Abstraggenerator::buildCommand that adds xvfb-run --server-args="-screen 0, 1024x768x24" to the comandline

Airmovz

Airmovz commented on Feb 7, 2017

@Airmovz
Airmovz
on Feb 7, 2017

@rubenvdlinde How did you add xvfb-run on Abstractgenerator::buildCommand? Wherein it is located at vendor directory.

ykh

ykh commented on Feb 8, 2017

@ykh
ykh
on Feb 8, 2017
Author

Try this (works for me):
http://download.gna.org/wkhtmltopdf/0.12/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz

ghost

ghost commented on May 2, 2017

@ghost
ghost
on May 2, 2017

Works great on our Ubuntu 16.04 servers. See work-around here:
wkhtmltopdf/wkhtmltopdf#2037 (comment)

See post from @masterkorp on that page (I do not take credit for this):

$ /usr/bin/xvfb-run /usr/bin/wkhtmltopdf

lyberteam

lyberteam commented on Jul 14, 2017

@lyberteam
lyberteam
on Jul 14, 2017 · edited by lyberteam

For thous, who use Symfony (my version is 3.3.2) you can simply add this to config.yml file in the knp_snappy section:

   knp_snappy:
       pdf:
           enabled:    true
           binary:     /usr/bin/xvfb-run /usr/bin/wkhtmltopdf
           options:    []
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          I got this error: "QXcbConnection: Could not connect to display Aborted" · Issue #116 · KnpLabs/KnpSnappyBundle