慕姐8417444

2018-06-04 19:36

Mon Jun 04 19:35:38 CST 2018

HTTP/1.1 500 Internal Server Error

Apache Tomcat/7.0.88 - Error report

HTTP Status 500 - org.hibernate.exception.GenericJDBCException: Cannot open connection

type Exception report

message org.hibernate.exception.GenericJDBCException: Cannot open connection

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Cannot open connection

org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:614)

org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:202)

com.imooc.DAO.StudentDAO.findStudent(StudentDAO.java:27)

com.imooc.DAO.StudentDAO.find(StudentDAO.java:69)

com.imooc.service.StudentService.doPost(StudentService.java:69)

javax.servlet.http.HttpServlet.service(HttpServlet.java:650)

javax.servlet.http.HttpServlet.service(HttpServlet.java:731)

org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

org.hibernate.exception.GenericJDBCException: Cannot open connection

org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103)

org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)

org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)

org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)

org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:426)

org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)

org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)

org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547)

org.hibernate.loader.Loader.doQuery(Loader.java:673)

org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)

org.hibernate.loader.Loader.loadEntity(Loader.java:1860)

org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:48)

org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:42)

org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3049)

org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:399)

org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:375)

org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:139)

org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:195)

org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:103)

org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878)

org.hibernate.impl.SessionImpl.get(SessionImpl.java:815)

org.hibernate.impl.SessionImpl.get(SessionImpl.java:808)

org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:182)

com.imooc.DAO.StudentDAO.findStudent(StudentDAO.java:27)

com.imooc.DAO.StudentDAO.find(StudentDAO.java:69)

com.imooc.service.StudentService.doPost(StudentService.java:69)

javax.servlet.http.HttpServlet.service(HttpServlet.java:650)

javax.servlet.http.HttpServlet.service(HttpServlet.java:731)

org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)

com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)

com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3597)

com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3529)

com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:935)

com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4101)

com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1300)

com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2337)

com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2370)

com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2154)

com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)

com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)

sun.reflect.GeneratedConstructorAccessor10.newInstance(Unknown Source)

sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

java.lang.reflect.Constructor.newInstance(Constructor.java:423)

com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:381)

com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)

java.sql.DriverManager.getConnection(DriverManager.java:664)

java.sql.DriverManager.getConnection(DriverManager.java:208)

org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:110)

org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423)