hi all
 i am facing problem while generating reports in dwr frame work regarding the path specification. i got the error something like

Errors were encountered when compiling report expressions class file:
C:\Program Files\Apache Software Foundation\Tomcat 5.0\item_1195629791375_574071.java:4: package net.sf.jasperreports.engine does not exist
import net.sf.jasperreports.engine.*;
^
C:\Program Files\Apache Software Foundation\Tomcat 5.0\item_1195629791375_574071.java:5: package net.sf.jasperreports.engine.fill does not exist
import net.sf.jasperreports.engine.fill.*;
^
C:\Program Files\Apache Software Foundation\Tomcat 5.0\item_1195629791375_574071.java:13: package net.sf.jasperreports.engine does not exist
import net.sf.jasperreports.engine.*;
^
C:\Program Files\Apache Software Foundation\Tomcat 5.0\item_1195629791375_574071.java:15: package net.sf.jasperreports.engine.data does not exist
import net.sf.jasperreports.engine.data.*;
^
C:\Program Files\Apache Software Foundation\Tomcat 5.0\item_1195629791375_574071.java:21: cannot find symbol
symbol: class JREvaluator
public class item_1195629791375_574071 extends JREvaluator
                                               ^
C:\Program Files\Apache Software Foundation\Tomcat 5.0\item_1195629791375_574071.java:28: cannot find symbol
symbol : class JRFillParameter
location: class item_1195629791375_574071
    private JRFillParameter parameter_REPORT_LOCALE = null;


can anyone help me in this regard.
thanks in advance