how to create bar chart in jsp using msaccess database

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how to create bar chart in jsp using msaccess database

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: Unable to compile class for JSP

An error occurred at line: 10 in the jsp file: /bar.jsp Generated servlet error: C:\Program Files\Apache Software Foundation\Tomcat 5.0\work\Catalina\localhost\chetana\org\apache\jsp\bar_jsp.java:61: cannot find symbol symbol : constructor JDBCCategoryDataset(java.lang.String) location: class org.jfree.data.jdbc.JDBCCategoryDataset

An error occurred at line: 10 in the jsp file: /bar.jsp Generated servlet error: JDBCCategoryDataset dataset=new JDBCCategoryDataset("jdbc:odbc:Driver={Microsoft Access Driver " + ^ 1 error

org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:412)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.

View Answers

April 2, 2011 at 1:10 PM

<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<%@ page import="org.jfree.data.*" %>
<%@ page import="org.jfree.chart.*" %>
<%@ page import="org.jfree.chart.plot.PlotOrientation"%>
<%@ page import="org.jfree.data.jdbc.JDBCCategoryDataset"%>

<%
String query="SELECT * from chart";
JDBCCategoryDataset dataset=new JDBCCategoryDataset("jdbc:odbc:student","sun.jdbc.odbc.JdbcOdbcDriver","","");

dataset.executeQuery( query);
JFreeChart chart = ChartFactory .createBarChart3D(
"Test", 
"Id", 
"Score", 
dataset, 
PlotOrientation.VERTICAL,true, true, false);
ChartFrame frame1=new ChartFrame("Bar Chart",chart);
  frame1.setVisible(true);
  frame1.setSize(350,450);
%>

For the above code, we have created a table chart(ID Number,Score Number) in the MS Access database.

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