org.hibernate.exception.GenericJDBCException: Cannot open connection 处理方法

org.hibernate.exception.GenericJDBCException: Cannot open connection

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

org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:79)

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

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

org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:307)

org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:109)

org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:134)

org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:57)

org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1236)

test.hibernate.factory.CustomerFactory.getAll(CustomerFactory.java:38)

test.hibernate.servlet.CustomerControl.doPost(CustomerControl.java:28)

test.hibernate.servlet.CustomerControl.doGet(CustomerControl.java:77)

javax.servlet.http.HttpServlet.service(HttpServlet.java:689)

javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

test.util.RequestEncodingFilter.doFilter(RequestEncodingFilter.java:35)

这个异常是底层打开数据库连接错误，检查SQLServer是否正常服务(端口等)

JSQLConnect没用过

URL是否应该是：database=数据库名