The viewfile servlet in the documentation package (resin-doc) for Caucho Resin 3.0.17 and 3.0.18 allows remote attackers to obtain the source code for file under the web root via the file parameter.
http://www.vupen.com/english/advisories/2006/1831
http://securityreason.com/securityalert/908
http://archives.neohapsis.com/archives/fulldisclosure/2006-05/0384.html