Enable live reconfiguration of Log4J settings for the Java broker via JMX
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Key: QPID-1648
URL: https://issues.apache.org/jira/browse/QPID-1648
Project: Qpid
Issue Type: New Feature
Components: Java Broker, Java Management : JMX Console
Reporter: Robert Gemmell
Fix For: Eclipse MC M5
It would be useful to be able to update the Log4J settings for a running Java
broker via JMX, incase it was desirable to adjust logging to investigate an
issue which became apparent after startup.
Whilst Log4J supports monitoring its own configuration file for updates, the
broker must be started with this enabled for it to be of any use, and updating
the settings by manually modifying the xml file runs the risk of accidentally
rendering the file invalid, which could lead to serious issues when the update
is detected and applied by Log4j.
In order to address these issues, adding the ability to to update the settings
via JMX would allow users to be able to adjust the Log4J settings in 2 ways: by
modifying the xml file programatically rather than by hand, or by modifying the
Log4J runtime settings directly, allowing (temporary) updates even where Log4J
has not been instructed to monitor its configuration file for change.
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