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https://issues.apache.org/jira/browse/FLINK-17926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17116007#comment-17116007
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Robert Metzger commented on FLINK-17926:
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Thanks, this is a good proposal. I assigned you.
> Can't build flink-web docker image because of EOL of Ubuntu:18.10
> -----------------------------------------------------------------
>
> Key: FLINK-17926
> URL: https://issues.apache.org/jira/browse/FLINK-17926
> Project: Flink
> Issue Type: Bug
> Components: Project Website
> Reporter: Congxian Qiu(klion26)
> Assignee: Congxian Qiu(klion26)
> Priority: Major
>
> Currently, the Dockerfile[1] in flink-web project is broken because of the
> EOL of Ubuntu 18.10[2], will encounter the error such as bellow when
> executing {{./run.sh}}
> {code:java}
> Err:3 http://security.ubuntu.com/ubuntu cosmic-security Release
> 404 Not Found [IP: 91.189.88.152 80]
> Ign:4 http://archive.ubuntu.com/ubuntu cosmic-updates InRelease
> Ign:5 http://archive.ubuntu.com/ubuntu cosmic-backports InRelease
> Err:6 http://archive.ubuntu.com/ubuntu cosmic Release
> 404 Not Found [IP: 91.189.88.142 80]
> Err:7 http://archive.ubuntu.com/ubuntu cosmic-updates Release
> 404 Not Found [IP: 91.189.88.142 80]
> Err:8 http://archive.ubuntu.com/ubuntu cosmic-backports Release
> 404 Not Found [IP: 91.189.88.142 80]
> Reading package lists...
> {code}
> The current LTS versions can be found in release website[2].
> Apache Flink docker image uses fedora:28[3], so it unaffected.
> As fedora does not have LTS release[4], I proposal to use Ubuntu for website
> here, and change the version from {{18.10}} to the closest LTS version
> {{18.04, tried locally, it works successfully.}}
> [1]
> [https://github.com/apache/flink-web/blob/bc66f0f0f463ab62a22e81df7d7efd301b76a6b4/docker/Dockerfile#L17]
> [2] [https://wiki.ubuntu.com/Releases]
>
> [3]https://github.com/apache/flink/blob/e92b2bf19bdf03ad3bae906dc5fa3781aeddb3ee/docs/docker/Dockerfile#L17
> [4]
> https://fedoraproject.org/wiki/Fedora_Release_Life_Cycle#Maintenance_Schedule
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