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https://issues.apache.org/jira/browse/GUACAMOLE-1751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Jumper closed GUACAMOLE-1751.
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Resolution: Duplicate
> Container fails to start when LOGBACK_LEVEL environment variable is set
> -----------------------------------------------------------------------
>
> Key: GUACAMOLE-1751
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1751
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole-docker
> Affects Versions: 1.5.0
> Environment: x86 CentOS Stream 8 with Docker version 20.10.13, build
> a224086
> Reporter: Jans Rautenbach
> Priority: Minor
>
> h2. Symptom
> When starting up the docker image `guacamole/guacamole:latest`, with the
> environment variable `LOGBACK_LEVEL` set to anything, the container fails to
> start. The container logs only show the following line:
> {{/opt/guacamole/bin/start.sh: 1169: unzip: not found}}
> h2. Preliminary Investigation
> This is the code around the aforementioned line above:
> {{if [ -n "$LOGBACK_LEVEL" ]; then}}
> {{ unzip -o -j /opt/guacamole/guacamole.war WEB-INF/classes/logback.xml -d
> $GUACAMOLE_HOME}}
> {{ sed -i "s/level=\"info\"/level=\"$LOGBACK_LEVEL\"/"
> $GUACAMOLE_HOME/logback.xml}}
> {{fi}}
> The code only executes if the `LOGBACK_LEVEL` environment variable is set,
> and then the unzip command fails, likely because it is not installed in the
> image.
> h2. Proposed solution
> Install the unzip program by adding it to the relevant Dockerfile.
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