For a successful build, you must get the following jars from java.sun.com
and copy them into ${libdir}:
activation.jar, Version 1.0.2 as activation-1.0.2.jar
mail.jar, Version 1.3 as javamail-1.3.jar
jdbc.jar, Version 2.0 as jdbc-2.0.jar
jndi.jar, Version 1.2.1 as jndi-1.2.1.jar
One of these jars is missing. Please correct this error and
rebuild.