EDIT

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">

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

  debug="false">

  <appender name="CONSOLE" class="org.apache.log4j.ConsoleAppender">

    <param name="Target" value="System.out" />

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

      <param name="ConversionPattern" value="%d %p [%c] - %m%n" />

    </layout>

    <filter class="org.apache.log4j.filter.ExpressionFilter">

      <param name="expression"

        value="msg like  '.*has a maxElementsInMemory of 0. This might lead to performance degradation or OutOfMemoryError at Terracotta client.*'" />

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

    </filter>

    <filter class="org.apache.log4j.filter.ExpressionFilter">

      <param name="expression"

    </filter>

  </appender>

  <root>

    <priority value="WARN" />

    <appender-ref ref="CONSOLE" />

  </root>

<!--     <level value="info" /> -->

<!--   </logger> -->

<!--   <logger -->

<!--     name="org.hibernate.collection.internal.AbstractPersistentCollection"> -->

<!--     <level value="info" /> -->

<!--   </logger> -->

<!--     name="eu.etaxonomy.taxeditor.service.CdmServiceRequestExecutor"> -->

<!--     <level value="info" /> -->

<!--   </logger> -->

<!--     name="eu.etaxonomy.taxeditor.session.DefaultNewEntityListener"> -->

<!--     <level value="info" /> -->

<!--   </logger> -->

<!--     <logger -->

<!--     name="eu.etaxonomy.taxeditor.util.ProgressMonitorClientManager"> -->

<!--     <level value="info" /> -->

<!--   </logger> -->