用hibernate4连接数据库时，提醒No suitable driver found for jdbc:mysql://localhost:3306/te-Java教程-爱易网页

用hibernate4连接数据库时，提醒No suitable driver found for jdbc:mysql://localhost:3306/te

日期：2014-05-19　浏览次数：20703 次

用hibernate4连接数据库时，提示No suitable driver found for jdbc:mysql://localhost:3306/te
刚接触hibernate，这个问题纠结了一天了，网上各种方法都试过了，依旧提示
No suitable driver found for jdbc:mysql://localhost:3306/test
用的是hibernate4，以下几个应该注意的地方都检查过了，没有问题：
1、jdbc-connector的jar包添加到WEB-INF/lib下；
2、url格式正确；
3、jdbc-connector的jar包添加到javahome/jre/lib/ext下。

以前用hibernate3访问数据库的时候没有出这问题啊。求解答；以下是console输出：

HTML code

严重: Servlet.service() for servlet [dispatcher] in context with path [/springMVC] threw exception [Request processing failed; nested exception is org.hibernate.exception.JDBCConnectionException: Could not open connection] with root cause
java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/test
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.getConnection(DriverManagerConnectionProviderImpl.java:192)
    at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:278)
    at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:297)
    at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:169)
    at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67)
    at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:160)
    at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1363)
    at cn.edu.tju.lxd.Checkvalid.isvalid(Checkvalid.java:16)
    at cn.edu.tju.lxd.login.handleRequest(login.java:22)
    at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:511)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
    a

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用hibernate4连接数据库时，提醒No suitable driver found for jdbc:mysql://localhost:3306/te

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