[jboss-user] [Beginners Corner] - Re: SQLException
jotnarta
do-not-reply at jboss.com
Mon Feb 16 08:42:03 EST 2009
Ok, following is my msql-ds.xml file, and the configuration to connect to MySQL database, specifically, mysql schema:
| <?xml version="1.0" encoding="UTF-8"?>
|
| <datasources>
|
| <local-tx-datasource>
|
| <jndi-name>DefaultDS</jndi-name>
|
| <connection-url>jdbc:mysql://localhost:3306/mysql</connection-url>
|
| <driver-class>com.mysql.jdbc.Driver</driver-class>
|
| <user-name>root</user-name>
|
| <password>admin</password>
|
| <valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLValidConnectionChecker</valid-connection-checker-class-name>
|
| <metadata>
|
| <type-mapping>mySQL</type-mapping>
|
| </metadata>
|
| </local-tx-datasource>
|
| </datasources>
|
and following is the jsp file that I am trying to connect my schema which was defined in the previous xml file:
| <%@page import="java.util.*,javax.naming.*,javax.sql.DataSource,java.sql.*"%>
| <%
| DataSource ds = null;
| Connection con = null;
| //Statement st = null;
| InitialContext ic;
|
| try {
| ic = new InitialContext();
| ds = (DataSource) ic.lookup("java:/DefaultDS");
| con = ds.getConnection();
| Statement st = con.createStatement();
| ResultSet rs = st.executeQuery("select * from db");
|
| while(rs.next()) {
| out.println("<br> " + rs.getString("ID"));
| }
| rs.close();
| st.close();
|
| out.println("DONE");
| } catch (Exception e) {
| out.println("Exception thrown " + e );
| //e.printStackTrace();
| } finally {
| if (con != null) {
| con.close();
| }
| }
| %>
|
Do you have any comments ????
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