在应用中我使用了jdbc的方法连接数据库进行查询
Class.forName("oracle.jdbc.driver.OracleDriver");
String urlttt="jdbc:oracle:thin:@127.0.0.1:1521:test";
String userttt="mip_hbcgy";
String pwdttt="jhcomn";
Connection conn=DriverManager.getConnection(urlttt,userttt,pwdttt);有时候页面是正常的,但有使用出错
出现的错误提示是:
Pre-bound JDBC Connection found - HibernateTransactionManager does not support running within DataSourceTransactionManager if told to manage the DataSource itself. It is recommended to use a single HibernateTransactionManager for all transactions on a single DataSource, no matter whether Hibernate or JDBC access.
Class.forName("oracle.jdbc.driver.OracleDriver");
String urlttt="jdbc:oracle:thin:@127.0.0.1:1521:test";
String userttt="mip_hbcgy";
String pwdttt="jhcomn";
Connection conn=DriverManager.getConnection(urlttt,userttt,pwdttt);有时候页面是正常的,但有使用出错
出现的错误提示是:
Pre-bound JDBC Connection found - HibernateTransactionManager does not support running within DataSourceTransactionManager if told to manage the DataSource itself. It is recommended to use a single HibernateTransactionManager for all transactions on a single DataSource, no matter whether Hibernate or JDBC access.
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Session session = getSession();
Connection connection = session.connection();
数据查询可以用JDBC的方法:
Statement stmt = connection.createStatement();
ResultSet rs = stmt.executeQuery("select sum(decimal(conitem2,10,2)) as aa ,comid from UBL_PROCONTENT where proid="+proid+" group by comid");
<%@ page import="org.hibernate.Session" %>
<%@ page import="org.hibernate.SessionFactory" %>
<%@ page import="org.hibernate.cfg.Configuration" %>
<%
Session session = getSession();
Connection connection = session.connection();
%>
是这样写么?