Setting the Logging Level
Changes to the logging level can be made by altering the value of logger.level.file in the Streams.properties file. The server will not log messages with a lower/finer level than this value. The separate logging configuration still applies to route whatever messages that the server does log. This means that if you have set the file handler’s level to INFO in the configuration, setting the property to FINE has no effect.
The default value of the property is set to INFO. At this level, most information needed for troubleshooting is logged, including many data queries, timing, and parameters. With a lower/finer level performance will be affected due to the amount of information logged.
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