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I'm new here and am debugging something I've never seen before, so I'm hoping someone can show me where I'm going wrong.

I've created a local yum repo for all my servers. The idea is to distribute any custom built internal RPMs (our application) or other packages that aren't in other external repos. The first external package I'm testing is nxlog. I downloaded the RPM from the download page and dropped it into my repo.

The problem I'm hitting is that when I try to install the package via yum, one of the dependencies is checked differently vs. installing via RPM from the HTTP URL to the RPM itself.

Here's what happens via yum:

$ yum -q deplist nxlog-ce|grep pcre
dependency: pcre
provider: pcre.i686 7.8-6.el6
provider: pcre.x86_64 7.8-6.el6
dependency: libpcre.so.1()(64bit)

Here's what happens via rpm:

$ rpm -qpR https://repo.mydomain.com/packages/nxlog/nxlog-ce-2.9.1347-1_rhel6.x86_64.rpm|grep pcre
libpcre.so.0()(64bit)
pcre

Notice that the libpcre check is different between yum and rpm. This causes the yum installation to fail and the rpm installation to succeed. This would be fine, but I want to use the ansible yum module to install all my local packages.

All the normal searching hasn't turned up anything useful and I'm not keen to create symlinks or anything as that's never going to be good for future operations.

Has anyone seen something like this before? What would cause it? The dependencies are defined in the RPM spec file, so I can't think of a reason the tools would do something different.

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  • Are you sure you're looking at the same packages? Apr 24, 2015 at 16:56
  • Yum is going to wrap rpm. There is some other explanation for what you're seeing, although the obvious answer is that with yum you are specifying a name that yum is resolving from its configuration of active repos, rather than a specific url. You can use yum to install an RPM by specifying the full path to the rpm. Is that what you're doing?
    – gview
    Apr 24, 2015 at 17:03
  • @michael-hampton I'm as close to 100% sure I'm looking at the same packages as I can be. Running a yum info nxlog-ce shows that the package is in my repo. It's the only package in the repo at the moment. Apr 24, 2015 at 17:12
  • @gview Knowing that yum wraps rpm is what makes this so frustrating, it should be the same. I'm not using yum to install via the full URL, I'm running yum install nxlog-ce. Apr 24, 2015 at 17:14
  • Even more strange, I've tested installing via yum using the full URL to the package and it worked fine. I wonder if yum is overriding the package dependency somehow. Apr 24, 2015 at 17:29

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