Apache DataSource ----------------- Key: HHH-1434 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1434 Project: Hibernate Core Issue Type: Bug Affects Versions: 3.1.1 Environment: Apache, Hibernate, Oracle-DB Reporter: Manfred Wiegers Assignee: Steve Ebersole Priority: Minor Using: s = c.createStatement(); rs = s.executeQuery(sql); with a Connection from its DataSource works fine. If the Connection comes from the Hibernate-Session it will raise: java.sql.SQLException: org.apache.tomcat.dbcp.dbcp.DelegatingStatement is closed. at org.apache.tomcat.dbcp.dbcp.DelegatingStatement.checkOpen(DelegatingStatement.java:136) at org.apache.tomcat.dbcp.dbcp.DelegatingStatement.executeQuery(DelegatingStatement.java:203) by executeQuery.