[LOG4J2-1022] Allow MdcPatternConvert to print a list of keys

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3
• Fix Version/s: 2.4
• Component/s: Pattern Converters
• Assignee: Ralph Goers
• Reporter: Ralph Goers
• Created: 18/May/15 22:04
• Updated: 19/May/15 00:18
• Resolved: 19/May/15 00:17

Description

MdcPatternConverter should allow the user to specify a list of keys to print, such as %X

{key1, key2}

so that only those key/value pairs are printed in the output. Any keys which do not have values should be omitted from the output.