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I thought I had found a solution of being able to change a custom appender's level value on the fly by utilizing the jsp tag referenced here;

http://nayidisha.com/techblog/mycontent/posts/nd-utils/site/loggerAdmin.html

Unfortunately, the link is broken so I am unable to download the utility. The article was from 2009 and appears to be an exact match for what I need. Anyone have any ideas on how to accomplish? Below is an example:

[log4j.xml] snippet

 <logger name="EXAMPLE_LOGGER" additivity="false"> <level value="DEBUG" /> <appender-ref ref="EXXAMPLE_LOG_APPENDER" /> </logger>

I am looking for some way to modify the "level value" on the fly without restarting the managed server or polling the log4j.xml file. Thanks in advance for any insight.

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There is WebLogic logging library, that can do that. You can implement LOG4J Logger that utilizes this library. We have done this in previous job. I think this is the library: http://docs.oracle.com/cd/E21764_01/web.1111/e13739/config_logs.htm#i1011558

import weblogic.logging.log4j.Log4jLoggingHelper; import weblogic.logging.LoggerNotAvailableException; public class MyLog4jTest { public void testWLSLog4j() { try { Logger logger = Log4jLoggingHelper.getLog4jServerLogger(); logger.addAppender(myAppender); // The Appender is configured using either the log4j props file or other custom mechanism. logger.info("Test log message"); } catch(LoggerNotAvailableException lex) { System.err.println("Unable to get a reference to the log4j Logger: "+ lex.getMessage()) } } }
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