Re: APT 1.4.8 unable to resolve dependencies (possible regression wrt 1.4.6)
On Wed, Feb 07, 2018 at 01:13:50PM +0100, Lukasz Walewski wrote:
> Hi,
>
> I build Debian-based filesystem images for embedded devices. By "image" I
> mean a regular Debian 9.x (stretch) filesystem created with debootstrap with
> some 3rd party packages installed on top of it. The filesystem is converted
> into a *.iso image and burned into the NAND of an embedded device.
>
> The 3rd party software shipped with an image features some proprietary Java
> application, that is (currently) compatible with JRE version 7 only, thus I
> need openjdk-7-jre package installed in my images. Since openjdk-7-jre is
> not available in Debian 9, I use Debian 8.x (jessie) mirror as a second
> sources.list entry. So what I do is basically:
>
> 1. debootstrap from an official Debian stable mirror
> 2. add official Debian oldstable mirror to /etc/apt/sources.list
> 3. apt-get update
> 4. apt-get install openjdk-7-jre
>
> The above procedure used to work with apt 1.4.6, i.e. the packages that
> openjdk-7-jre depends upon (214 additional packages) were pulled in and
> installed, which is what I expected:
>
> root@stretch-i386:~# apt -v
> apt 1.4.6 (i386)
>
> root@stretch-i386:~# apt-get install openjdk-7-jre
> Reading package lists... Done
> Building dependency tree... Done
> The following additional packages will be installed:
> [...]
> The following NEW packages will be installed:
> [...]
> The following packages will be upgraded:
> [...]
> 1 upgraded, 214 newly installed, 0 to remove and 0 not upgraded.
> Need to get 146 MB of archives.
> After this operation, 529 MB of additional disk space will be used.
> Do you want to continue? [Y/n]
>
>
> With apt 1.4.8 this does not work anymore - apt cannot resolve the
> dependencies and fails:
>
> root@stretch-i386:~# apt -v
> apt 1.4.8 (i386)
>
> root@stretch-i386:~# apt-get install openjdk-7-jre
> Reading package lists... Done
> Building dependency tree... Done
> Some packages could not be installed. This may mean that you have
> requested an impossible situation or if you are using the unstable
> distribution that some required packages have not yet been created
> or been moved out of Incoming.
> The following information may help to resolve the situation:
>
> The following packages have unmet dependencies:
> openjdk-7-jre : Depends: openjdk-7-jre-headless (= 7u111-2.6.7-1~deb8u1)
> but it is not going to be installed
> E: Unable to correct problems, you have held broken packages.
>
>
> What has changed from apt 1.4.6 to 1.4.8 that rendered my use case
> unsupported? Is this behavior desired? What can I do to continue with my
> workflow which is now broken?
There were no changes that could cause that.
--
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