error in compiling jasper report

[ojha]

hi dears,

 

i am getting following error when compiling by

jasperreports.1.1.1.jar

 

net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file:

D:IBMwsappdev51workspaceReportsDemoWebContentreportsBasicReport.java:18: cannot resolve symbol

symbol : constructor JRCalculator ()

location: class net.sf.jasperreports.engine.fill.JRCalculator

public class BasicReport extends JRCalculator

^

1 error

 

at net.sf.jasperreports.engine.design.JRAbstractClassCompiler.compileReport(JRAbstractClassCompiler.java:109)

at net.sf.jasperreports.engine.design.JRDefaultCompiler.compileReport(JRDefaultCompiler.java:129)

at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:127)

at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:86)

at sample.servlets.ReportServlet.getCompiledReport(ReportServlet.java:230)

at sample.servlets.ReportServlet.doPost(ReportServlet.java:102)

at sample.servlets.ReportServlet.doGet(ReportServlet.java:49)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110)

at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)

at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)

at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)

at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)

at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)

at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)

at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:974)

at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:555)

at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:200)

at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)

at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:276)

at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)

at com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:114)

at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:186)

at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)

at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)

at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java(Compiled Code))

at com.ibm.ws.http.HttpConnection.run(HttpConnection.java(Compiled Code))

at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593)

 

 

plz help