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12.2. The Log4j Service
The
Log4jService MBean configures the Apache log4j system. JBoss uses the log4j framework as its internal logging API.
- ConfigurationURL: The URL for the log4j configuration file. This can refer to either a XML document parsed by the
org.apache.log4j.xml.DOMConfiguratoror a Java properties file parsed by theorg.apache.log4j.PropertyConfigurator. The type of the file is determined by the URL content type, or if this is null, the file extension. The default setting ofresource:log4j.xmlrefers to theconf/log4j.xmlfile of the active server configuration file set. - RefreshPeriod: The time in seconds between checks for changes in the log4 configuration specified by the
ConfigurationURLattribute. The default value is 60 seconds. - CatchSystemErr: This boolean flag if true, indicates if the
System.errstream should be redirected onto a log4j category calledSTDERR. The default is true. - CatchSystemOut: This boolean flag if true, indicates if the
System.outstream should be redirected onto a log4j category calledSTDOUT. The default is true. - Log4jQuietMode: This boolean flag if true, sets the
org.apache.log4j.helpers.LogLog.setQuiteMode. As of log4j1.2.8 this needs to be set to avoid a possible deadlock on exception at the appender level. See bug#696819.
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