Exception in thread "main" org.apache.ibatis.exceptions.PersistenceException:?

### Error querying database. ?Cause: java.sql.SQLException: No suitable driver found for jdbc:mysql//localhost:3306/test

### The error may exist in p1/imooc/config/sqlxml/Message.xml

### The error may involve Message.MessageListAll

### The error occurred while executing a query

### Cause: java.sql.SQLException: No suitable driver found for jdbc:mysql//localhost:3306/test

at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:26)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:111)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:98)

at p1.imooc.Dao.MessageDao.queryMessageList(MessageDao.java:22)

at p1.imooc.Dao.MessageDao.main(MessageDao.java:39)

Caused by: java.sql.SQLException: No suitable driver found for jdbc:mysql//localhost:3306/test

at java.sql.DriverManager.getConnection(DriverManager.java:596)

at java.sql.DriverManager.getConnection(DriverManager.java:187)

at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:195)

at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:190)

at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.getConnection(UnpooledDataSource.java:92)

at org.apache.ibatis.transaction.jdbc.JdbcTransaction.openConnection(JdbcTransaction.java:134)

at org.apache.ibatis.transaction.jdbc.JdbcTransaction.getConnection(JdbcTransaction.java:61)

at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:279)

at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:72)

at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)

at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)

at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)

at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)

at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)

... 4 more

我覺(jué)得是驅(qū)動(dòng)的問(wèn)題。。。數(shù)據(jù)庫(kù)版本5.5.28 驅(qū)動(dòng) 5.1.22 ?童鞋們啊 幫我看看吧，真特么心累