我刚入门。帮我看看,怎么解决这些错误
org.apache.jasper.JasperException: Unable to compile class for JSPF:\tomcat\tomcat\work\localhost_8080\_0002fpage_0002ejsppage_jsp_0.java:81: No variable TYPE_SCROLL_INSENSITIVE defined in interface java.sql.ResultSet.
conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE);
^
F:\tomcat\tomcat\work\localhost_8080\_0002fpage_0002ejsppage_jsp_0.java:81: No variable CONCUR_UPDATABLE defined in interface java.sql.ResultSet.
conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE);
^
F:\tomcat\tomcat\work\localhost_8080\_0002fpage_0002ejsppage_jsp_0.java:113: Method last() not found in interface java.sql.ResultSet.
rs.last();