我正在开发我的项目 Spring MVC、Hibernate 和 H2 数据库。在我从 MySQL 迁移到 H2 之前，MySQL 上的一切都运行得很好。经过从 MySQL 到 H2 数据库的更改后，我得到了以下结果：
2013-07-18 15:40:01,193 DEBUG [com.mchange.v2.resourcepool.BasicResourcePool] - <acquire test -- pool size: 0; target_pool_size: 3; desired target? 1>
2013-07-18 15:40:01,193 DEBUG [com.mchange.v2.resourcepool.BasicResourcePool] - <awaitAvailable(): [unknown]>
2013-07-18 15:40:01,194 DEBUG [com.mchange.v2.resourcepool.BasicResourcePool] - <trace com.mchange.v2.resourcepool.BasicResourcePool@19f9444 [managed: 0, unused: 0, excluded: 0]>
2013-07-18 15:40:01,192 WARN [com.mchange.v2.c3p0.DriverManagerDataSource] - <Could not load driverClass org.h2.Drive>
java.lang.ClassNotFoundException: org.h2.Drive
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1676)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1521)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:186)
at com.mchange.v2.c3p0.DriverManagerDataSource.ensureDriverLoaded(DriverManagerDataSource.java:100)
at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:132)
at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171) …