log.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'>

  <appender name="DEFAULT" class="org.apache.log4j.DailyRollingFileAppender">
    <param name="File" value="log/datastore_server_log.txt"/>
    <param name="DatePattern" value="'.'yyyy-MM-dd"/>

    <layout class="org.apache.log4j.PatternLayout">
      <param name="ConversionPattern" value="%d %-5p [%t] %c - %m%n"/>
    </layout>
  </appender>
  
  <root>
     <priority value ="info" />
     <appender-ref ref="DEFAULT" />
  </root>

</log4j:configuration>