c3p0 oracle10.2 ojbc611.2.0.1.0. 数据库连接出错500

Question

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!

Answer 1

http://jyao.iteye.com/blog/1915561