MS Access and JSP

I"ll really appreciate if someone could help me here. I'm new to JSP's and am having some trouble with database connection. I have one html page which asks the user to enter three fields and then submit it by clicking on the submite button(which calls add.jsp).
The add.jsp contains the following code:
Connection con=null;
Statement stmt = null;
ResultSet rs = null;
String queryText = "insert into networks2 values('";
queryText = queryText.concat(request.getParameter("SenderName"));
queryText = queryText.concat("','");
queryText = queryText.concat(request.getParameter("MessageTitle"));
queryText = queryText.concat("','");
queryText = queryText.concat(request.getParameter("MessageText"));
queryText = queryText.concat("')");
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:networks2");
stmt = con.createStatement();
rs = stmt.executeQuery(queryText);
} catch (Exception e) {}
%>
My problem is that the above data is not being inserted in the database. I have added networks2.mdb driver in system DSn. Could anyone please help me as to why i am not able to add information in my database.
Thanks.

Go over to the JDBC forum (which would have been a better place for your question, actually). The question "When I add a record to MS Access, it doesn't show up, why?" is asked frequently there. I think the answer is that it does show up if you continue by doing a select query, but I may be wrong.

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    java.lang.NullPointerException
    Try.Connect.<init>(Connect.java:26)
    sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    java.lang.reflect.Constructor.newInstance(Unknown Source)
    java.lang.Class.newInstance0(Unknown Source)
    java.lang.Class.newInstance(Unknown Source)
    org.apache.jasper.runtime.TagHandlerPool.get(TagHandlerPool.java:116)
    org.apache.jsp.DbTry_jsp._jspx_meth_db_connect_0(org.apache.jsp.DbTry_jsp:84)
    org.apache.jsp.DbTry_jsp._jspService(org.apache.jsp.DbTry_jsp:62)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    note The full stack trace of the root cause is available in the Apache Tomcat/5.5.4 logs.
    Apache Tomcat/5.5.4
    Tag handler class
    package Try;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.SQLException;
    import javax.servlet.jsp.JspException;
    import javax.servlet.jsp.JspWriter;
    import javax.servlet.jsp.PageContext;
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    private String host = "localhost";
    private String username = "root";
    private String password = "203131";
    private String database = "compose";
    private String scope = "page";
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    JspWriter out = pageContext.getOut();
    public void setDriver(String str) {
    driver = str;
    public void setDbtype(String str) {
    dbtype = str;
    public void setHost(String str) {
    host = str;
    public void setUsername(String str) {
    username = str;
    public void setPassword(String str) {
    password = str;
    public void setDatabase(String str) {
    database = str;
    public void setScope(String str) {
    scope = str;
    public void setId(String str) {
    id = str;
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    try {
    Class.forName("com.mysql.jdbc.Driver");
    String url= "jdbc:" + dbtype + "://" + host + "/" + database;
    Connection connection = DriverManager.getConnection(url,username,password);
    out.println("right ;;one");
    catch (SQLException e1) {
    System.out.println("Error in HeadingTagv: " + e1);
    catch (Exception e) {
    System.out.println("Error in HeadingTag: " + e);
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    TLD is lib.tld
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    PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
    "http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_2.dtd">
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    <tlib-version>1.0</tlib-version>
    <jsp-version>1.2</jsp-version>
    <short-name>db</short-name>
    <display-name>Database Tags</display-name>
    <description>
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    </description>
    <tag>
    <name>connect</name>
    <tag-class>Try.Connect</tag-class>
    <body-content>empty</body-content>
    <description>
    </description>
    <attribute>
    <name>driver</name>
    <required>false</required>
    <rtexprvalue>true</rtexprvalue>
    <description>
    </description>
    </attribute>
    <attribute>
    <name>dbtype</name>
    <required>false</required>
    <rtexprvalue>true</rtexprvalue>
    <description>
    </description>
    </attribute>
    <attribute>
    <name>host</name>
    <required>false</required>
    <rtexprvalue>true</rtexprvalue>
    <description>
    Can be given by a run-time expression.
    Host name of the computer where database is located.
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    </attribute>
    <attribute>
    <name>username</name>
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    <rtexprvalue>true</rtexprvalue>
    <description>
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    </attribute>
    <attribute>
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    </attribute>
    <attribute>
    <name>database</name>
    <required>false</required>
    <rtexprvalue>true</rtexprvalue>
    <description>
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    the SQL commands. Default is no database specified.
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    </attribute>
    <attribute>
    <name>id</name>
    <required>false</required>
    <description>
    </description>
    </attribute>
    <attribute>
    <name>scope</name>
    <required>false</required>
    <description>
    </description>
    </attribute>
    </tag>
    </taglib>
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    <html>
    <body>
    <db:connect username="root" password="203131" database="compose" />
    </body>
    </html>

    Answered in your other post:
    http://forum.java.sun.com/thread.jspa?threadID=608780&tstart=0

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