diff --git a/artemis_sqlmap/chado_iBatis_config.xml b/artemis_sqlmap/chado_iBatis_config.xml
index 67ab8a7940d33967dfe445f68aa4dc2424d95417..ffde46323fe88a53d7dfe3496fc4a5b077a558af 100644
--- a/artemis_sqlmap/chado_iBatis_config.xml
+++ b/artemis_sqlmap/chado_iBatis_config.xml
@@ -35,7 +35,6 @@
   
   <!-- Configure a datasource to use with this SQL Map using SimpleDataSource. 
          Notice the use of the properties from the above resource --> 
- 
   <transactionManager type="JDBC" > 
     <dataSource type="SIMPLE"> 
       <property name="JDBC.Driver" value="org.postgresql.Driver"/> 
@@ -52,7 +51,28 @@
       <property name="Pool.PingConnectionsNotUsedFor" value="1800000"/>
     </dataSource> 
   </transactionManager> 
- 
+	
+  <!-- the following alternative transactionmanager requires the
+	   libraries commons-dbcp and common-pool in the CLASSPATH
+  <transactionManager type="JDBC">
+    <dataSource type="DBCP">
+     <property name="driverClassName" value="org.postgresql.Driver"/>
+     <property name="url" value="jdbc:postgresql://${chado}"/>
+     <property name="username" value="${username}"/>
+     <property name="password" value="${password}"/>
+
+     <property name="maxActive" value="3"/>
+     <property name="maxIdle" value="1"/>
+     <property name="maxWait" value="10000"/>
+
+     <property name="validationQuery" value="select * from cv"/>
+     <property name="logAbandoned" value="false"/>
+     <property name="removeAbandoned" value="false"/>
+     <property name="removeAbandonedTimeout" value="50000"/>
+    </dataSource>
+  </transactionManager>
+  -->
+
   <!-- Identify all SQL Map XML files to be loaded by this SQL map.  Notice the paths  
          are relative to the classpath.  -->