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https://issues.apache.org/jira/browse/GUACAMOLE-659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17922099#comment-17922099
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Jean Seurin commented on GUACAMOLE-659:
---------------------------------------
This saved my life, I couldn't understand at all why I received this message.
> {{The Guacamole Docker container needs at least one authentication mechanism
> }}
I wasn't even able to track where it comes from in the github repos.
I find it very counter intuitive, it should indicated clearly in the
documentation here:
[https://guacamole.apache.org/doc/gug/configuring-guacamole.html#user-mapping-xml]
my 2c
> Docker Image does not allow default authentication
> --------------------------------------------------
>
> Key: GUACAMOLE-659
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-659
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole-client
> Affects Versions: 0.9.14
> Reporter: Tom Kent
> Priority: Major
>
> When starting a docker image, I mount a directory with a guacamole.properties
> and user-mapping.xml:
> {{docker run --name some-guac --link some-guacd:guacd -p 8080:8080 -v
> $PWD/settings:/etc/guacamole guacamole/guacamole}}
> However, when the instance starts up, it immediately fails because there is
> no mysql, postgres, or LDAP authentication.
> {{FATAL: No authentication configured}}
> {{-------------------------------------------------------------------------------}}
> {{The Guacamole Docker container needs at least one authentication mechanism
> in}}
> {{order to function, such as a MySQL database, PostgreSQL database, or LDAP}}
> {{directory. Please specify at least the MYSQL_DATABASE or POSTGRES_DATABASE}}
> {{environment variables, or check Guacamole's Docker documentation regarding}}
> {{configuring LDAP and/or custom extensions.}}
> Ideally, there would be a check in
> guacamole-client/guacamole-docker/bin/start.sh to see if user-mapping.xml
> exists in $GUACAMOLE_HOME and allow it to proceed.
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