some errors with compile report

[fcabada]

Hi list

 

When i compile this report, there is this warnings and the report doestn work

designs:
      [jrc] Compiling 1 report design files.
      [jrc] log4j:WARN No appenders could be found for logger (net.sf.jasperreports.engine.xml.JRXmlDigesterFactory).
      [jrc] log4j:WARN Please initialize the log4j system properly.
      [jrc] File : /opt/jbilling/src/descriptors/designs/simple_invoice_b2b.jrxml ... OK.

and when trie to download this report with jbilling sends me this error

mensaje

descripción El servidor encontró un error interno () que hizo que no pudiera rellenar este requerimiento.

excepción

java.lang.IllegalStateException: getOutputStream() ya ha sido llamado para esta respuesta	org.apache.catalina.connector.Response.getWriter(Response.java:610)	org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:198)	org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:125)	org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:118)	org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:188)	org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:118)	org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:77)	com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspService(Unknown Source)	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	com.sapienter.jbilling.client.user.MenuSelectionFilter.doFilter(MenuSelectionFilter.java:99)	com.sapienter.jbilling.client.user.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:156)

some advise??

also in the log file is

2010-11-12 22:01:44,552 DEBUG [com.sapienter.jbilling.server.notification.NotificationBL] m1 = null m2 = null
2010-11-12 22:01:44,616 DEBUG [com.sapienter.jbilling.server.notification.NotificationBL] Parameter tax = US$ 0.00 totalWithTax = US$ 24,163.23 totalWithoutT
ax = US$ 24,163.23 balance = US$ 0.00
2010-11-12 22:01:45,175 ERROR [com.sapienter.jbilling.server.notification.NotificationBL] Exception generating paper invoice
net.sf.jasperreports.engine.JRException: Incompatible java.lang.String value assigned to parameter totalWithTax in the simple_invoice dataset.
    at net.sf.jasperreports.engine.fill.JRFillDataset.setParameter(JRFillDataset.java:881)
    at net.sf.jasperreports.engine.fill.JRFillDataset.setFillParameterValues(JRFillDataset.java:626)
    at net.sf.jasperreports.engine.fill.JRFillDataset.setParameterValues(JRFillDataset.java:577)
    at net.sf.jasperreports.engine.fill.JRBaseFiller.setParameters(JRBaseFiller.java:1211)
    at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:842)
    at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:810)
    at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:89)
    at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:601)
    at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:582)
    at com.sapienter.jbilling.server.notification.NotificationBL.generatePaperInvoice(NotificationBL.java:873)
    at com.sapienter.jbilling.server.notification.NotificationBL.generatePaperInvoiceAsStream(NotificationBL.java:667)
    at com.sapienter.jbilling.server.pluggableTask.PaperInvoiceNotificationTask.getPDF(PaperInvoiceNotificationTask.java:118)
    at com.sapienter.jbilling.server.invoice.InvoiceSessionBean.getPDFInvoice(InvoiceSessionBean.java:156)
    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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
    at $Proxy119.getPDFInvoice(Unknown Source)
    at com.sapienter.jbilling.client.invoice.DownloadTag.doStartTag(DownloadTag.java:82)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspx_meth_jbilling_005finvoiceDownload_005f0(Unknown Source)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspService(Unknown Source)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.MenuSelectionFilter.doFilter(MenuSelectionFilter.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:156)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
    at java.lang.Thread.run(Unknown Source)
2010-11-12 22:01:45,209 ERROR [com.sapienter.jbilling.server.notification.NotificationBL] Exception generating paper invoice
net.sf.jasperreports.engine.JRException: No input source supplied to the exporter.
    at net.sf.jasperreports.engine.JRAbstractExporter.setInput(JRAbstractExporter.java:671)
    at net.sf.jasperreports.engine.export.JRPdfExporter.exportReport(JRPdfExporter.java:235)
    at net.sf.jasperreports.engine.JasperExportManager.exportReportToPdf(JasperExportManager.java:188)
    at com.sapienter.jbilling.server.notification.NotificationBL.generatePaperInvoiceAsStream(NotificationBL.java:670)
    at com.sapienter.jbilling.server.pluggableTask.PaperInvoiceNotificationTask.getPDF(PaperInvoiceNotificationTask.java:118)
    at com.sapienter.jbilling.server.invoice.InvoiceSessionBean.getPDFInvoice(InvoiceSessionBean.java:156)
    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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
    at $Proxy119.getPDFInvoice(Unknown Source)
    at com.sapienter.jbilling.client.invoice.DownloadTag.doStartTag(DownloadTag.java:82)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspx_meth_jbilling_005finvoiceDownload_005f0(Unknown Source)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspService(Unknown Source)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.MenuSelectionFilter.doFilter(MenuSelectionFilter.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:156)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
    at java.lang.Thread.run(Unknown Source)
2010-11-12 22:01:45,220 ERROR [com.sapienter.jbilling.client.invoice.DownloadTag] Exception
java.lang.NullPointerException
    at com.sapienter.jbilling.client.invoice.DownloadTag.doStartTag(DownloadTag.java:83)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspx_meth_jbilling_005finvoiceDownload_005f0(Unknown Source)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspService(Unknown Source)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.MenuSelectionFilter.doFilter(MenuSelectionFilter.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:156)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
    at java.lang.Thread.run(Unknown Source)
2010-11-12 22:02:05,104 DEBUG [com.sapienter.jbilling.server.list.ListSessionBean] There are 5 searchable fields
2010-11-12 22:02:05,144 DEBUG [com.sapienter.jbilling.client.list.GenericListTag] List requested:invoiceGeneral
2010-11-12 22:02:05,144 DEBUG [com.sapienter.jbilling.client.list.GenericListTag] Running list invoiceGeneral
2010-11-12 22:02:05,162 DEBUG [com.sapienter.jbilling.server.list.ListBL] Done pageing. list 2 entity 1 attempts 2 cof 2640 needed 20 got 3
2010-11-12 22:02:05,171 DEBUG [com.sapienter.jbilling.client.list.GenericListTag] rows = 3 page 20
2010-11-12 22:02:07,278 DEBUG [com.sapienter.jbilling.client.list.GenericListAction] Selection:101
2010-11-12 22:02:07,416 DEBUG [com.sapienter.jbilling.client.invoice.MaintainAction] Forward to invoice_view
2010-11-12 22:02:07,425 DEBUG [com.sapienter.jbilling.server.util.PreferenceBL] Now looking for preference 20 ent 1 table entity
2010-11-12 22:02:07,430 DEBUG [com.sapienter.jbilling.server.util.PreferenceBL] Looking for preference default for type 20
2010-11-12 22:02:07,430 DEBUG [com.sapienter.jbilling.server.user.UserSessionBean] Using default
2010-11-12 22:02:07,430 DEBUG [com.sapienter.jbilling.server.user.UserSessionBean] result for 20 =1
2010-11-12 22:02:09,036 DEBUG [com.sapienter.jbilling.client.invoice.DownloadTag] Running download:
2010-11-12 22:02:09,063 DEBUG [com.sapienter.jbilling.server.invoice.InvoiceSessionBean] name = Invoice-2
2010-11-12 22:02:09,195 WARN  [com.sapienter.jbilling.server.notification.NotificationBL] Looking for notification message type 12 for entity 1 language 1 bu
t could not find it. This entity has to specify this notification message.
2010-11-12 22:02:09,209 DEBUG [com.sapienter.jbilling.server.user.ContactBL] ContactDTO: getting custom fields
2010-11-12 22:02:09,211 DEBUG [com.sapienter.jbilling.server.user.ContactBL] Returning dto with 0 fields
2010-11-12 22:02:09,216 DEBUG [com.sapienter.jbilling.server.user.ContactBL] ContactDTO: getting custom fields
2010-11-12 22:02:09,217 DEBUG [com.sapienter.jbilling.server.user.ContactBL] Returning dto with 0 fields
2010-11-12 22:02:09,217 DEBUG [com.sapienter.jbilling.server.pluggableTask.PaperInvoiceNotificationTask] now message1 = null
2010-11-12 22:02:09,217 DEBUG [com.sapienter.jbilling.server.notification.NotificationBL] Generating paper invoice with design file : /opt/jbilling/resources
/designs/simple_invoice_b2b.jasper
2010-11-12 22:02:09,239 DEBUG [com.sapienter.jbilling.server.notification.NotificationBL] m1 = null m2 = null
2010-11-12 22:02:09,295 DEBUG [com.sapienter.jbilling.server.notification.NotificationBL] Parameter tax = US$ 0.00 totalWithTax = US$ 24,163.23 totalWithoutT
ax = US$ 24,163.23 balance = US$ 0.00
2010-11-12 22:02:09,348 ERROR [com.sapienter.jbilling.server.notification.NotificationBL] Exception generating paper invoice
net.sf.jasperreports.engine.JRException: Incompatible java.lang.String value assigned to parameter totalWithTax in the simple_invoice dataset.
    at net.sf.jasperreports.engine.fill.JRFillDataset.setParameter(JRFillDataset.java:881)
    at net.sf.jasperreports.engine.fill.JRFillDataset.setFillParameterValues(JRFillDataset.java:626)
    at net.sf.jasperreports.engine.fill.JRFillDataset.setParameterValues(JRFillDataset.java:577)
    at net.sf.jasperreports.engine.fill.JRBaseFiller.setParameters(JRBaseFiller.java:1211)
    at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:842)
    at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:810)
    at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:89)
    at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:601)
    at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:582)
    at com.sapienter.jbilling.server.notification.NotificationBL.generatePaperInvoice(NotificationBL.java:873)
    at com.sapienter.jbilling.server.notification.NotificationBL.generatePaperInvoiceAsStream(NotificationBL.java:667)
    at com.sapienter.jbilling.server.pluggableTask.PaperInvoiceNotificationTask.getPDF(PaperInvoiceNotificationTask.java:118)
    at com.sapienter.jbilling.server.invoice.InvoiceSessionBean.getPDFInvoice(InvoiceSessionBean.java:156)
    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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
    at $Proxy119.getPDFInvoice(Unknown Source)
    at com.sapienter.jbilling.client.invoice.DownloadTag.doStartTag(DownloadTag.java:82)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspx_meth_jbilling_005finvoiceDownload_005f0(Unknown Source)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspService(Unknown Source)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.MenuSelectionFilter.doFilter(MenuSelectionFilter.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:156)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
    at java.lang.Thread.run(Unknown Source)
2010-11-12 22:02:09,350 ERROR [com.sapienter.jbilling.server.notification.NotificationBL] Exception generating paper invoice
net.sf.jasperreports.engine.JRException: No input source supplied to the exporter.
    at net.sf.jasperreports.engine.JRAbstractExporter.setInput(JRAbstractExporter.java:671)
    at net.sf.jasperreports.engine.export.JRPdfExporter.exportReport(JRPdfExporter.java:235)
    at net.sf.jasperreports.engine.JasperExportManager.exportReportToPdf(JasperExportManager.java:188)
    at com.sapienter.jbilling.server.notification.NotificationBL.generatePaperInvoiceAsStream(NotificationBL.java:670)
    at com.sapienter.jbilling.server.pluggableTask.PaperInvoiceNotificationTask.getPDF(PaperInvoiceNotificationTask.java:118)
    at com.sapienter.jbilling.server.invoice.InvoiceSessionBean.getPDFInvoice(InvoiceSessionBean.java:156)
    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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
    at $Proxy119.getPDFInvoice(Unknown Source)
    at com.sapienter.jbilling.client.invoice.DownloadTag.doStartTag(DownloadTag.java:82)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspx_meth_jbilling_005finvoiceDownload_005f0(Unknown Source)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspService(Unknown Source)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.MenuSelectionFilter.doFilter(MenuSelectionFilter.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:156)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
    at java.lang.Thread.run(Unknown Source)
2010-11-12 22:02:09,375 ERROR [com.sapienter.jbilling.client.invoice.DownloadTag] Exception
java.lang.NullPointerException
    at com.sapienter.jbilling.client.invoice.DownloadTag.doStartTag(DownloadTag.java:83)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspx_meth_jbilling_005finvoiceDownload_005f0(Unknown Source)
    at com.sapienter.jbilling.client.jspc.invoice.download_jsp._jspService(Unknown Source)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.MenuSelectionFilter.doFilter(MenuSelectionFilter.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.sapienter.jbilling.client.user.UserAuthenticationFilter.doFilter(UserAuthenticationFilter.java:156)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
    at java.lang.Thread.run(Unknown Source)