dpkg - triggers looping

[Hajo Locke]

Hello,

i think i understand my problem now. But still need help to resolve it. 
I think this is wrong mailinglist for this kind of problems. I will try 
to ask at debian-dpkg at lists.debian.org

Thanks,
Hajo

Am 30.05.2017 um 08:48 schrieb Hajo Locke:
> Hello List,
>
> is this the right place to ask general packaging questions? I think i 
> need a hint from an experienced deb packager.
>
> Situations is as follows: For my intranet-servers (16.04.2) i do 
> packaging of software on my own. I have packaged and installed my own 
> php 7.0.14 and now want to upgrade to 7.0.19
> creating patches, building etc all was successful. My problem occurs 
> when installing package libapache2-mod-php70
> I got this message:
>
> Unpacking php70-common (7.0.19-my1) over (7.0.14-my1) ...
> Setting up php70-common (7.0.19-my1) ...
> dpkg: cycle found while processing triggers:
>  chain of packages whose triggers are or may be responsible:
>   libapache2-mod-php70 -> libapache2-mod-php70
>  packages' pending triggers which are or may be unresolvable:
>   libapache2-mod-php70: /etc/php70/conf.d
> dpkg: error processing package libapache2-mod-php70 (--configure):
>  triggers looping, abandoned
> Setting up php70-cli (7.0.19-my1) ...
>
> The problem seems to be located in file /var/lib/dpkg/triggers/File. 
> This is triggering line: "/etc/php70/conf.d libapache2-mod-php70" 
> inserted by /var/lib/dpkg/info/libapache2-mod-php70.triggers with 
> content "interest /etc/php70/conf.d"
> I can avoid this by manually editing file /var/lib/dpkg/triggers/File 
> before installation and change line "/etc/php70/conf.d 
> libapache2-mod-php70"  to "/etc/php7/conf.d libapache2-mod-php70" . 
> yes, just 70 to 7 seems to solve the loop.
> But what is the problem here? i dont understand why there is a loop 
> and how to avoid it generally.  I think i need a helping hand of a pro 
> please.
> I tried to fix this line with sed by using the 
> libapache2-mod-php70.preinst, but editing or even deletion of this 
> file was not successful. no error but also no change.
> What should i do now?
>
> Thanks,
> Hajo
>
>