请教连接远程ORACLE数据库？

org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 0 in the jsp file: /jsp/1.jspGenerated servlet error:
    [javac] Compiling 1 source fileD:\tomcat\work\Catalina\localhost\baimaiown\jsp\_1_jsp.java:45: cannot resolve symbol
symbol  : class Connection 
location: class org.apache.jsp._1_jsp
Connection con=DriverManager.getConnection(url,"push","push");
^An error occurred at line: 0 in the jsp file: /jsp/1.jspGenerated servlet error:
D:\tomcat\work\Catalina\localhost\baimaiown\jsp\_1_jsp.java:45: cannot resolve symbol
symbol  : variable DriverManager 
location: class org.apache.jsp._1_jsp
Connection con=DriverManager.getConnection(url,"push","push");
               ^
2 errors