Decided to use Apache\'s Common Configuration package to parse an XML File.
I decided to do a:
XMLConfiguration xmlConfig = new XMLConfiguration(file
org.apache.commons.configuration.ConfigurationException extends org.apache.commons.lang.exception.NestableException.
org.apache.commons.configuration.ConfigurationException
org.apache.commons.lang.exception.NestableException
Do you have Commons Lang on your path also? If not, Eclipse will fail to resolve the ConfigurationException class, and you'll get that error.
ConfigurationException