hi all,
i m trying to draw a piechart through
servlet using the JFreechart package.
i have kept the required jar files in the required folder and set the classpath accordingly.the code gets complied without any error but when i run that it gives following error
javax.servlet.ServletException: Servlet execution threw an exception
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext..................................................................................
root cause
java.lang.NoClassDefFoundError
at org.jfree.chart.ChartFactory.createPieChart(ChartFactory.java:205)
at chart.doGet(chart.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
...................................
can any body pls tell me what might be the problem??