[erlang-questions] Erlang 18.3 CentOS RPM/yum failing

Ryan Stewart <>
Wed Sep 28 22:58:00 CEST 2016

Oh, and keep in mind that yum install/remove can leave vestigial remnants
of apps behind in /usr/lib64/erlang/lib, which can cause havoc when you
downgrade. Specifically, the asn1 and ic apps seem to leave stuff behind.
If you've installed 19, then removed it to install 18.3, you should
nuke /usr/lib64/erlang/lib from orbit before you do.

On Wed, Sep 28, 2016 at 3:51 PM Ryan Stewart <> wrote:

> The erlang package is a metapackage that pulls in a bunch of erlang-*
> packages. It looks like new erlang 19 packages have obsoleted some of those
> erlang 18.3 packages, so yum is trying to get the newer packages to replace
> the obsoleted one without realizing that all of these packages ought to be
> kept at the same version. Try "yum install erlang-18.3
> --setopt=obsoletes=0", and see what you get.
> On Wed, Sep 28, 2016 at 3:23 PM Matthew Fitzpatrick <
> > wrote:
>> Not sure if anyone else is running into this, but it seems like it
>> happened very recently guessing with yesterday's update. For myself at
>> least, the yum installer for 18.3 is not working correctly anymore. It's
>> breaking on dependency resolutions.
>> My first question: Is this a "its my computer" problem? Is anyone else
>> having issues here? I've tried on several different VM's and it seems like
>> I'm in the clear there and this is a true issue, but I figured I would ask
>> that first.
>> And the follow-up, if people ARE having issues, who do we need to bug to
>> fix the rpm's or how can we go about patching them up?
>> Side Note: It seems like the erlang 19 packages are fine, if you run a
>> vanilla `yum install erlang` np, its just when you specify `yum install
>> erlang-18.3` you have issues with dependency resolution.
>> Thanks,
>> -Matthew
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