nullpointer exception in after fillnull values

mulam_anil · February 1, 2008

i am using ireporttool for generating reports.but iam using this tool i had generated some reports.now i am generating report iam getting data filling report with null values. it shows some error like this

at java.lang.Thread.run(Unknown Source)

17:16:59,375 DEBUG JRVerticalFiller:657 - Fill 4690726: detail

java.lang.NullPointerException

at org.apache.commons.beanutils.PropertyUtilsBean.getReadMethod(PropertyUtilsBean.java:1061)

at org.apache.commons.beanutils.PropertyUtils.getReadMethod(PropertyUtils.java:391)

at com.naipunya.sailom.utilities.HibernateQueryResultDataSource.getFieldValue(HibernateQueryResultDataSource.java:35)

at net.sf.jasperreports.engine.fill.JRFillDataset.setOldValues(JRFillDataset.java:813)

at net.sf.jasperreports.engine.fill.JRFillDataset.next(JRFillDataset.java:777)

at net.sf.jasperreports.engine.fill.JRBaseFiller.next(JRBaseFiller.java:1412)

at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:115)

at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:891)

at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:814)

at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:89)

at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:601)

at com.naipunya.sailom.utilities.PatientReport.findPatientDetails(PatientReport.java:91)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.directwebremoting.impl.ExecuteAjaxFilter.doFilter(ExecuteAjaxFilter.java:34)

at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428)

at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:431)

at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:283)

at org.directwebremoting.servlet.PlainCallHandler.handle(PlainCallHandler.java:52)

at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:101)

at org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:146)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:286)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:253)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)

at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:256)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:210)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:190)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:175)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)

at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:974)

at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:207)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:637)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:488)

at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:568)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:631)

at java.lang.Thread.run(Unknown Source)

17:16:59,390 DEBUG JRVerticalFiller:657 - Fill 4690726: detail