Resolution:
Description:
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Example configuration in log4j-config.xml:

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    <appender name="ErrorFile" class="org.apache.log4j.RollingFileAppender">

        <param name="File" value="${GATEWAY_LOG_DIRECTORY}/error.log"/>

        <param name="Append" value="false"/>

        <param name="MaxFileSize" value="5KB"/>

        <param name="MaxBackupIndex" value="5"/>

        <layout class="org.apache.log4j.PatternLayout">

            <param name="ConversionPattern" value="%d %-5p %m%n"/>

        </layout>

    </appender>
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MaxFileSize: File size in string

MaxBackupIndex: number of files that are rotated and kept.