If you need a specific (and old) version of Cassandra, you may consider using "yum install https://archive.apache.org/dist/cassandra/redhat/40x/cassandra-4.0.0-1.noarch.rpm"; instead of setting up the YUM repository and install the package from it. The URL to the archived RPM files are pretty stable, even the Cassandra 2.x RPMs are still available today, and their URL remained unchanged since the day one they were published.

On 14/03/2022 12:10, Stijn Vanden Brande (External) wrote:
Hi,

when configuring the Apache archive for Cassandra RPMs, with file "/etc/yum.repos.d/cassandra-oss.repo":

    [cassandra-oss]
    name=Cassandra OSS RPM
    baseurl=https://archive.apache.org/dist/cassandra/redhat/40x
    failovermethod=priority
    enabled=1

Older package versions (non-latest) are not found in the /repodata/ nor installable. While older packages are present in the repository: https://archive.apache.org/dist/cassandra/redhat/40x/

    $ yum info cassandra --show-duplicates --disableplugin=versionlock

    Loaded plugins: ovl, priorities, product-id, search-disabled-repos

    148 packages excluded due to repository priority protections

    Available Packages

    Name       : cassandra

    Arch       : noarch

    Version    : 4.0.3

    Release    : 1

    Size       : 45 M

    Repo       : cassandra-oss-artifactory

    Summary    : Cassandra is a highly scalable, eventually
    consistent, distributed, structured key-value store.

    URL        : http://cassandra.apache.org/
    <http://cassandra.apache.org/>

    License    : Apache Software License 2.0

    Description : Cassandra is a distributed (peer-to-peer) system for
    the management and storage of structured data.


I assume the /repodata/ is also mirrored from the main repository: https://downloads.apache.org/cassandra/redhat/40x/
And thus, the file list does not contain the other packages:
https://archive.apache.org/dist/cassandra/redhat/40x/repodata/repomd.xml

Primary file list:

    $ zgrep 'ver='
    
ece31517ddeb401b0eaff53c83ecabd59f4862df38efffe436b68d0781516e6d-primary.xml.gz
                                                     -1-
      <version epoch="0" ver="4.0.3" rel="1"/>
          <rpm:entry name="cassandra" flags="EQ" epoch="0" ver="4.0.3"
    rel="1"/>
          <rpm:entry name="python(abi)" flags="GE" epoch="0" ver="3.6"/>
          <rpm:entry name="jre" flags="GE" epoch="0" ver="1.8.0"/>
      <version epoch="0" ver="4.0.3" rel="1"/>
          <rpm:entry name="ant-junit" flags="GE" epoch="0" ver="1.9"/>
          <rpm:entry name="ant" flags="GE" epoch="0" ver="1.9"/>
      <version epoch="0" ver="4.0.3" rel="1"/>
          <rpm:entry name="cassandra-tools" flags="EQ" epoch="0"
    ver="4.0.3" rel="1"/>
          <rpm:entry name="cassandra" flags="EQ" epoch="0" ver="4.0.3"
    rel="1"/>

Other file list:

    $ zgrep 'ver='
    
4c42c3645f88f578a7e38b34b516313de36d1ab223bfaced8b757ba58bf2c32d-other.xml.gz

        <version epoch="0" ver="4.0.3" rel="1"/>
        <version epoch="0" ver="4.0.3" rel="1"/>
        <version epoch="0" ver="4.0.3" rel="1"/>

I would assume older available versions are part of the repodata and thus installable.
Can you please advise on this?

Kind regards,
Stijn Vanden Brande
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