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原创 spring配置错误Multiple annotations found at this line
错误提示Multiple annotations found at this line: - schema_reference.4: Failed to read schema document 'http://www.springframework.org/schema/context/spring-context.xsd', because 1) could not
2017-10-25 15:06:26
11068
原创 hibernate生成数据表时报错:HHH000388: Unsuccessful: create table emp (empid integer generated by default as i
错误提示:ERROR: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'generated by default as identity, deptna
2017-10-18 15:41:42
1959
原创 Can not issue data manipulation statements with executeQuery()
错误提示:Can not issue data manipulation statements with executeQuery()源代码:String sql="insert into orders values(?,?,?,?,?,?,?,?)";qr.query(sql,order.getOid(),new SimpleDateFormat("yyyy-MM-dd HH:m
2017-09-29 16:46:04
743
原创 object is not an instance of declaring class
public class BeanServlet extends HttpServlet { @Override protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
2017-09-18 17:11:41
2832
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