Alexander Dejanovski created CASSANDRA-16480:
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Summary: cassandra-builds produce deb packages that require python
3.7
Key: CASSANDRA-16480
URL: https://issues.apache.org/jira/browse/CASSANDRA-16480
Project: Cassandra
Issue Type: Bug
Reporter: Alexander Dejanovski
Since the builds moved from depending on python 2 to python 3, the packages
that are produced by the [cassandra-builds
project|https://github.com/apache/cassandra-builds] expect Python 3.7 to be
installed on the target systems:
{noformat}
$ sudo dpkg -i cassandra_4.0~beta5-20210303gitd29dd643df_all.deb
(Reading database ... 117878 files and directories currently installed.)
Preparing to unpack cassandra_4.0~beta5-20210303gitd29dd643df_all.deb ...
Unpacking cassandra (4.0~beta5-20210303gitd29dd643df) over
(4.0~beta5-20210303git25f3cf84f7) ...
dpkg: dependency problems prevent configuration of cassandra:
cassandra depends on python3 (>= 3.7~); however:
Version of python3 on system is 3.6.7-1~18.04.dpkg: error processing package
cassandra (--install):
dependency problems - leaving unconfigured
Processing triggers for systemd (237-3ubuntu10.38) ...
Processing triggers for ureadahead (0.100.0-21) ...
Errors were encountered while processing:
cassandra{noformat}
The [test docker
images|https://github.com/apache/cassandra-builds/blob/trunk/docker/testing/ubuntu1910_j11.docker#L35-L36]
ship with both py36 and py38, which allows the install to pass nicely, but on
a vanilla Ubuntu Bionic system, only Python 3.6 is installed.
We need to use debian buster images for builds that ship with python 3.6 so
that the dependencies align with it.
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