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From Gergő Pásztor (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14026) start-build-env.sh: invalid docker image name
Date Thu, 26 Jan 2017 17:47:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15840117#comment-15840117
] 

Gergő Pásztor commented on HADOOP-14026:
----------------------------------------

[~aw] Yeah, but we can't assume that somebody's login name not contains any non-english characters
nor any upper case english characters. Docker's rule for image names is much more strict than
a usual OS's rule for login names. Check out this for example: http://stackoverflow.com/a/25388074

I spent some hours to debug what's the problem with the script, because the error message
was misleading. I found out that my user name contains an upper case english character. I
can imagine that I'm not the only one who fell into this trap.

> 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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