Cups Printing breaks with own backend script

[Jesai langenbach]

> > Please Help,
> >
> > we have our own backend script but it looks like that it never starts.
> >
> > In the Log file I got some Error massages but I find nothing.
>
>
> What about this message? See:
>
> [....]
> > D [02/Jul/2007:18:09:23 +0200] [Job 20] Can`t open debug file at /usr/lib/cups/backend/dwcups line 95.
>
> Where do you want to write that "debug file" to? Does the user who runs that backend [*] have rights to read/write to that file? Does its directory already exist?
>
> [*] Normally, with CUPS-1.2.7 (that you run, according to your log
>     file extract), the CUPS backend will run as root if its permissions
>     are "700". But you never know.... Lately, quite some distros do
>     wild things in patching away CUPS' recommended default settings,
>     without properly documenting their self-willing obstinacy, leaving
>     users like yourself and supporters like ourselfs sometimes
>     scratching our heads in vain....
>
> --
> Kurt Pfeifle
> System & Network Printing Consultant --- Linux/Unix/Windows/Samba/CUPS
> Infotec Deutschland GmbH - A RICOH Company ......... Stuttgart/Germany
>
>


Thank you vary much.

That was the Problem, the distro did not start the backend script as root. I changed the permissions of the directory where it writes its debug file to and it worked!


I didn't saw that error. I tried to figure out what it was for 1 day and didn't find the error.