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https://issues.apache.org/jira/browse/LOG4J2-2011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Remko Popma resolved LOG4J2-2011.
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Resolution: Fixed
Migrated to picocli, and users no longer need an external dependency to run
Log4j2 utility applications like TcpSocketServer or
Log4j1ConfigurationConverter.
There is still some remaining work to add {{description}} annotations on these
commands to generate nicer usage help messages, and migrate some other utility
applications that did not use JCommander to use picocli.
> replace JCommander with picocli
> -------------------------------
>
> Key: LOG4J2-2011
> URL: https://issues.apache.org/jira/browse/LOG4J2-2011
> Project: Log4j 2
> Issue Type: Improvement
> Components: Core, Servers
> Affects Versions: 2.8.2
> Reporter: Remko Popma
> Assignee: Remko Popma
> Fix For: 2.9
>
>
> As discussed in the mailing list, replace uses of JCommander with
> [picocli|https://github.com/remkop/picocli] to get
> * customizable usage help
> * usage help with ANSI colors
> * better support for positional parameters (so we can use positional
> parameters for mandatory arguments and options for optional arguments)
> * include picocli as source so users can run these applications without
> requiring an external dependency
> Candidates for usage are:
> *log4j-core*
> * CustomLoggerGenerator
> * ExtendedLoggerGenerator
> * Generate
> * PluginManager
> *log4j-jmx-gui*
> * ClientGui
> *log4j-1.2-api*
> * Log4j1ConfigurationConverter
> *logging-log4j-tools/log4j-server*
> * AbstractSocketServer
> * TcpSocketServer
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