Hi, that's a bug of 1.5.1 -> https://issues.apache.org/jira/browse/TOMEE-697
it only affects tomcat-jdbc connection pooling (not commons-dbcp) Romain Manni-Bucau Twitter: @rmannibucau Blog: http://rmannibucau.wordpress.com/ LinkedIn: http://fr.linkedin.com/in/rmannibucau Github: https://github.com/rmannibucau 2013/1/3 Simon Renard <simon.ren...@3ds.com>: > DataSourceProxy