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Beans files errors

Posted on 2004-03-20

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2 solutions

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Last Modified: 2010-04-01

This is Error Compiling JSP File - part 2

Kennethxu's solution worked. Thank you. Now when I compile it shows errors in my two beans java files. Immediately below are the generated errors and I will follow with the two java files. Thanks for any help you can provide..

trackingView$jsp.java [86:1] cannot resolve symbol
symbol : class TrackingDataBean
location: class org.apache.jsp.trackingView$jsp
TrackingDataBean trackingData = null;
^
trackingView$jsp.java [89:1] cannot resolve symbol
symbol : class TrackingDataBean
location: class org.apache.jsp.trackingView$jsp
trackingData= (TrackingDataBean)
^
trackingView$jsp.java [94:1] cannot resolve symbol
symbol : class TrackingDataBean
location: class org.apache.jsp.trackingView$jsp
trackingData = (TrackingDataBean) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "TrackingDataBean");
^
trackingView$jsp.java [142:1] cannot resolve symbol
symbol : class TrackingBean
location: class org.apache.jsp.trackingView$jsp
TrackingBean tracking;
^
trackingView$jsp.java [145:1] cannot resolve symbol
symbol : class TrackingBean
location: class org.apache.jsp.trackingView$jsp
tracking = ( TrackingBean ) trackingListIterator.next();
^
trackingLogin$jsp.java [79:1] cannot resolve symbol
symbol : class TrackingBean
location: class org.apache.jsp.trackingLogin$jsp
TrackingBean tracking = null;
^
trackingLogin$jsp.java [82:1] cannot resolve symbol
symbol : class TrackingBean
location: class org.apache.jsp.trackingLogin$jsp
tracking= (TrackingBean)
^
trackingLogin$jsp.java [87:1] cannot resolve symbol
symbol : class TrackingBean
location: class org.apache.jsp.trackingLogin$jsp
tracking = (TrackingBean) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "TrackingBean");
^
trackingLogin$jsp.java [106:1] cannot resolve symbol
symbol : class TrackingDataBean
location: class org.apache.jsp.trackingLogin$jsp
TrackingDataBean trackingData = null;
^
trackingLogin$jsp.java [109:1] cannot resolve symbol
symbol : class TrackingDataBean
location: class org.apache.jsp.trackingLogin$jsp
trackingData= (TrackingDataBean)
^
trackingLogin$jsp.java [114:1] cannot resolve symbol
symbol : class TrackingDataBean
location: class org.apache.jsp.trackingLogin$jsp
trackingData = (TrackingDataBean) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "TrackingDataBean");
^

11 errors
Errors compiling trackingLogin

The two .java files follow:

// TrackingBean.java
// JavaBean to store branch sales data for a database

public class TrackingBean {

private String branch, year, month, day;
// private int

// set the branch's name
public void setBranch ( String name )
{
branch = name;
}

// get the branch's name
public String getBranch()
{
return branch;
}

// set the branch's year
public void setYear ( String yyyy )
{
year = yyyy;
}

// get the branch's year
public String getYear()
{
return year;
}

// set the branch's month
public void setMonth ( String mm )
{
month = mm;
}

// get the branch's month
public String getMonth()
{
return month;
}

// set the branch's day
public void setDay ( String dd )
{
day = dd;
}

// get the branch's day
public String getDay()
{
return day;
}

}

// TrackingDataBean.java
// Class TrackingDataBean makes a database connection and supports
// inserting and retrieving data from the database/

// Java core packages
import java.sql.*;
import java.io.*;
import java.util.*;

public class TrackingDataBean {
private Connection connection;
private PreparedStatement addRecord, getRecords;
private Statement stat;

// construct TitlesBean object
public TrackingDataBean() throws Exception
{
//System.setProperty( "

// load the Ability driver
Class.forName( "sun.jdbc.odbc.JdbcOdbcDriver" );

// connect to the database
connection = DriverManager.getConnection(
"jdbc:odbc:Tracking" );

//Statement stat=con.createStatement();
//Statement stat=connection.createStatement();
stat = connection.createStatement();
}

// return an ArrayList of TrackingBeans
public ArrayList getTrackingList() throws SQLException
{
ArrayList trackingList = new ArrayList();

// obtain list of titles

ResultSet results = stat.executeQuery(
"SELECT branch, year, month, day FROM Tracking" );

// get row data
while ( results.next() ) {
TrackingBean tracking = new TrackingBean();

tracking.setBranch( results.getString( 1 ) );
tracking.setYear( results.getString( 2 ) );
tracking.setMonth( results.getString( 3 ) );
tracking.setDay( results.getString( 4 ) );

trackingList.add( tracking );
}

return trackingList;

}

// insert a branch's tracking in tracking database
public void addTracking( TrackingBean tracking ) throws SQLException
{
stat.executeUpdate( "INSERT INTO tracking ( branch, " +
"year, month, day ) VALUES ( '" + tracking.getBranch() + "', '" +
tracking.getYear() + "', '" + tracking.getMonth() + "', + '" +
tracking.getDay() + "' )" );
}

// close statemetns and terminate database connection
protected void finalize()
{
// attempt to close database connection
try {
stat.close();
connection.close();
}

// process SQLException on close operation
catch ( SQLException sqlException ) {
sqlException.printStackTrace();
}
}

}

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Question by:timjg

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