[LOG4J2-3341] Support passing something like '-Dlog4j.rootLogger=INFO,Console' from command line to set level and appenders at once

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.17.2
• Component/s: Configuration
• Assignee: Matt Sicker
• Reporter: Duo Zhang
• Created: 15/Jan/22 03:53
• Updated: 02/Mar/22 01:12
• Resolved: 29/Jan/22 03:42

Description

Please see the discussion thread on the dev list.

https://lists.apache.org/thread/gvfb3jkg6t11cyds4jmpo7lrswmx28w3

The current direction is to introduce a new plugin to split the command line argument.

Issue Links

• is duplicated by: LOG4J2-3394 The 'rootLogger=${sys:root.logger:-INFO,console}' does not work
• relates to: LOG4J2-3394 The 'rootLogger=${sys:root.logger:-INFO,console}' does not work
• relates to: HBASE-26723 Switch to use log4j2.properties file to configure log4j2
• relates to: HADOOP-16206 Migrate from Log4j1 to Log4j2
• links to: GitHub Pull Request #733