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I want log4j to log my errors in a MySql database, but the official documentation on this is pretty sparse (why?). Anyway, here's my attempt at a log4j.xml config file: <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"> <appender name="jdbcAppender" class="org.apache.log4j.jdbc.JDBCAppender"> <param name="URL" value="jdbc:mysql://my_host/my_database" /> <param name="Driver" value="com.mysql.jdbc.Driver" /> <param name="User" value="my_user_name" /> <param name="Password" value="my_passwod" /> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="INSERT INTO errorlogs (Date, log_level, Application, Message, Exception) VALUES (TIMESTAMP(now()),'%p', ?? '%m', '%e' )" /> </layout> </appender> I need the "Application" parameter to be custom. With log4net in C#, in my code I would add it like this: log4net.GlobalContext.Properties["Application"] = applciation; and add it like so in my xml config file: <parameter> <parameterName value="?application" /> <dbType value="String" /> <size value="50" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%property{Application}" /> </layout> </parameter> I was wondering how can I do the same thing with log4j? Thanks!

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