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https://issues.apache.org/jira/browse/CASSANDRA-20181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18060993#comment-18060993
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Stefan Miklosovic edited comment on CASSANDRA-20181 at 2/25/26 10:06 AM:
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[~arvindk12] what is your motivation exactly when fixing this? Is there some 
scenario / use case you are using these docker files in? We are trying to 
understand what would happen if we just removed these Docker files as one can 
already override Python version to run cqlsh tests against and that renders 
these Docker files a little bit obsolete. Have you just stumbled upon these 
Docker files and found them broken so you went to fix it or is there some 
deeper meaning behind you trying it out?


was (Author: smiklosovic):
[~arvindk12] what is your motivation exactly when fixing this? Is there some 
scenario / use case you are using these docker files in? We are trying to 
understand what would happen if we just removed these Docker files as one can 
already override Python version to run cqlsh tests against and that renders 
these Docker files a little bit obsolete. 

> Instructions in pylib/README.asc for building Docker images to run cqlsh in 
> are not up-to-date
> ----------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-20181
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20181
>             Project: Apache Cassandra
>          Issue Type: Bug
>          Components: CQL/Interpreter
>            Reporter: lanqing yang
>            Assignee: Arvind Kandpal
>            Priority: Normal
>              Labels: lhf
>             Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> # Hi, i am trying to build and test cqlsh locally following this 
> [guide|https://github.com/lyang24/cassandra/blob/8fd44ca8fc9e0b0e94932bcd855e2833bf6ca3cb/pylib/README.asc#L34]
>  . I bypassed this with setting the python directory to 3.6 in the docker 
> file.
> should we fix the python version in the install command?
> i.e. apt-get install -y python3.8 python3.8-minimal
> {code:java}
> 11.37 update-alternatives: error: alternative path /usr/bin/python3.8 doesn't 
> exist
> ------
> Dockerfile.ubuntu.py3:18
> --------------------
>   16 |     #
>   17 |     FROM ubuntu:bionic
>   18 | >>> RUN apt-get update && apt-get install -y python3-minimal && 
> update-alternatives --install /usr/bin/python python /usr/bin/python3.8 1
>   19 |     
> --------------------
> ERROR: failed to solve: process "/bin/sh -c apt-get update && apt-get install 
> -y python3-minimal && update-alternatives --install /usr/bin/python python 
> /usr/bin/python3.8 1" did not complete successfully: exit code: 2
> {code}
>  



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