Question

Hi i am working with product , i had problem in locating log file location at run time my file appender as follows , where in given location statically how can i edit this at run time.

<appender name="fileAppender" class="org.apache.log4j.DailyRollingFileAppender">
    <param name="File" value="E:/log/SQLAppLog.log" />
    <param name="DatePattern" value="'_'yyyy-MM-dd'.log'" />
    <param name="Append" value="true" />
    <layout class="org.apache.log4j.PatternLayout">
        <param name="ConversionPattern"
            value="%d{HH:mm:ss-SSS} | %t | %-5p | %C | %M | %L | %m%n" />
    </layout>
</appender>

Thank you in advance

Answer 1

Check the log4j api, it gives you handle to change the location of appender using the appender object.instead of using a static appender, you can also create an appender at run time using log4j apis.