log4j.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="console" class="org.apache.log4j.ConsoleAppender">
           <param name="Threshold" value="INFO"/>
           <layout class="org.apache.log4j.PatternLayout">
             <param name="ConversionPattern" value="%m%n"/>
           </layout>
        </appender>
        
        <appender name="file" class="org.apache.log4j.RollingFileAppender">
        	<param name="File" value="target/protege.log"/>
        	<param name="Append" value="false"/>
        	<param name="MaxFileSize" value="8GB"/>
        	<layout class="org.apache.log4j.PatternLayout">
             	<param name="ConversionPattern" value="%m%n"/>
           </layout>
       </appender>

        <category name="org.mindswap.pellet">
            <priority value="error"/>
        </category>

        <!-- fear not, there is not too much here and it will be
             useful for a bit -->
        <category name="org.protege.editor.core.ProtegeApplication">
            <priority value="debug"/>
        </category>
        
        <!-- <category name="org.protege.owlapi.database.DatabaseOntologySupport">
        	<priority value="debug"/>
        </category>
        -->
        
        <root>
           <priority value ="info" />
           <appender-ref ref="console" />
           <appender-ref ref="file"/>
        </root>

</log4j:configuration>