[Ros-release] how to troubleshoot broken debs?

Vincent Rabaud vrabaud at willowgarage.com
Fri Jul 27 20:24:46 UTC 2012

Here is how to debug it (I know, it is not trivial)

Look for a few lines above when it is trying to build it:

The following packages have unmet dependencies:
 pbuilder-satisfydepends-dummy : Depends: yaml-cpp0.2.6-dev which is a
virtual package.
                                 Depends: libpcap0.8-dev but it is not
going to be installed.
                                 Depends: ros-fuerte-common-msgs but
it is not going to be installed.
                                 Depends: ros-fuerte-diagnostics but
it is not going to be installed.
                                 Depends: ros-fuerte-geometry but it
is not going to be installed.
                                 Depends: ros-fuerte-nodelet-core but
it is not going to be installed.
                                 Depends: ros-fuerte-perception-pcl
but it is not going to be installed.
                                 Depends: ros-fuerte-ros but it is not
going to be installed.
                                 Depends: ros-fuerte-ros-comm but it
is not going to be installed.
The following actions will resolve these dependencies:

     Remove the following packages:
1)     pbuilder-satisfydepends-dummy

The following packages will be REMOVED:
0 packages upgraded, 0 newly installed, 1 to remove and 31 not upgraded.

So it basically means that it is trying to install yaml-cpp0.2.6-dev. If
you look at your yaml file:
(that you can access by clicking on velodyne from
http://www.ros.org/debbuild/fuerte.html ) it indeed contains that for

Now, if you look at that file:
you can see that the yaml-cpp dependency for precise, it is called yaml-cpp
and not yaml-cpp0.2.6-dev

So when generating your yaml file, there basically was the wrong dependency
exported for precise. That means you had not done 'rosdep update' before
releasing. That's it !

And pre-release should still work for dry stuff (used it last week)

On Fri, Jul 27, 2012 at 12:52 PM, Jack O'Quin <jack.oquin at gmail.com> wrote:

> On Thu, Jul 26, 2012 at 6:43 PM, Tully Foote <tfoote at willowgarage.com>
> wrote:
> > For the old style debs it's unfortunately cumbersome.  What you need to
> do
> > is identify the rosdistro, distro, arch and find that job on
> > build.willowgarage.com.  Ala
> >
> http://build.willowgarage.com/job/debbuild-build-debs-fuerte-precise-i386/
> > The job is parameterized.  It's either run with a specific stack name or
> > as a parameter.  You want to find the most recent ALL job that failed.
>  To
> > find the parameter you need to click on a specific job instance: for
> example
> > 470
> >
> http://build.willowgarage.com/job/debbuild-build-debs-fuerte-precise-i386/470/
> > and then click on the parameters button to show the parameters.  It shows
> > ALL.  Then click on the [raw] button for the console output and find
> where
> > it started building your package. ( A shortcut to finding the ALL builds
> is
> > usually that they are red, when individual releases ususally are blue.  )
> >
> > If it's a compile failure you can look for [FAIL] but if it's a packaging
> > issues unfortunately you need to search for the name of the stack.
> Thanks for the pointer.
> Looking at that one, about all I see is this (which does not tell
> much). Where is the pbuilder output?
> ===================
> [build_debs]: selecting [velodyne] because [ros-fuerte-velodyne,
> 0.9.1-\w*~precise] not in repo
> [build_debs]: Attempting to build: ('velodyne', '0.9.1')
> [build_debs]: Initiating build of: ('velodyne', '0.9.1')
> [build_debs]: Actually trying to build velodyne-0.9.1...
> [build_debs]: starting pbuilder build of velodyne-0.9.1
> [build_debs]: Build of [('velodyne', '0.9.1')] failed, adding to broken
> list
> [build_debs]: looking for next stack to build. Current deps list is
> =======================
> Before Fuerte, I was always able to solve problems like this using the
> pre-release tests. Now they no longer seem to work.
> --
>  joq
> _______________________________________________
> Ros-release mailing list
> Ros-release at code.ros.org
> https://code.ros.org/mailman/listinfo/ros-release
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