java权限管理报错了!!! help--------(库存分为零了 - -)

网上下载的权限管理功能代码， 用struts+hibernante  数据库 mysql ，  代码导入MyEclipse  数据库也根据下载文件里的sql语句生成 了。 不过我登陆该系统的时候， 却出现如下错误，不知各位大虾知道是啥原因不， 谢谢了。 = .=
16:10:02,046  WARN SettingsFactory:107 - Could not obtain connection metadata
java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2921)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:770)
at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3641)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1175)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2544)
at com.mysql.jdbc.Connection.<init>(Connection.java:1474)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:264)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at net.sf.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:101)
at net.sf.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:84)
at net.sf.hibernate.cfg.Configuration.buildSettings(Configuration.java:1160)
at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:794)
at com.infosys.Hibernate.SessionFactory.currentSession(SessionFactory.java:49)
at com.infosys.struts.action.UserLoginAction.execute(UserLoginAction.java:56)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.infosys.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:31)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)