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https://issues.apache.org/jira/browse/HADOOP-14026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15840126#comment-15840126
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Allen Wittenauer commented on HADOOP-14026:
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bq. not contains any non-english characters
That's a violation of POSIX:
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_437
which references
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_278
.
bq. nor any upper case english characters
it's easier then to just pass it through tr.
> start-build-env.sh: invalid docker image name
> ---------------------------------------------
>
> Key: HADOOP-14026
> URL: https://issues.apache.org/jira/browse/HADOOP-14026
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Reporter: Gergő Pásztor
> Assignee: Gergő Pásztor
> Attachments: HADOOP-14026_v1.patch
>
>
> start-build-env.sh using the current user name to generate a docker image
> name. But the current user name can contains some not english characters and
> upper letters (after all this is usually the name/nickname of the owner).
> Both of them are not supported in docker image names, so the script will fail.
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