以下是我截取启动tomcat时候报错的关键几处：
信息: Initializing Spring root WebApplicationContext2011-04-04 12:38:59,780 ERROR org.hibernate.tool.hbm2ddl.SchemaUpdate:(SchemaUpdate.java:175) - could not get database metadatajava.sql.SQLException: Connections could not be acquired from the underlying database!at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection 信息: Initializing&
信息: Initializing Spring root WebApplicationContext2011-04-04 12:38:59,780 ERROR org.hibernate.tool.hbm2ddl.SchemaUpdate:(SchemaUpdate.java:175) - could not get database metadatajava.sql.SQLException: Connections could not be acquired from the underlying database!at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection 信息: Initializing&
