我收到错误消息：Error While Displaying Report Page : See Console for Details
我有以下所有罐子
iText-2.1.7.js2
杰克逊核心2.1.4
jasperreports-5.6.0
jasperreports-chart-themes-5.6.0
jasperreports-core-renderer
jasperreports-fonts-5.6.0
jcommon-1.0.15
jfreechart-1.0.13
有人可以告诉我我错了吗？
堆栈跟踪：
java.lang.ClassCastException: net.sf.jasperreports.engine.export.DefaultExporterFilterFactory cannot be cast to net.sf.jasperreports.engine.export.ExporterFilterFactory
at net.sf.jasperreports.engine.export.ExporterFilterFactoryUtil.getFilterFactory(Ex porterFilterFactoryUtil.java:53)
at net.sf.jasperreports.engine.JRAbstractExporter.createFilter(JRAbstractExporter.j ava:1136)
at net.sf.jasperreports.engine.JRAbstractExporter.initReport(JRAbstractExporter.jav a:726)
at net.sf.jasperreports.engine.export.JRGraphics2DExporter.initReport(JRGraphics2DE xporter.java:255)
at net.sf.jasperreports.engine.JRAbstractExporter.setCurrentExporterInputItem(JRAbs tractExporter.java:567)
at net.sf.jasperreports.engine.export.JRGraphics2DExporter.exportReportToGraphics2D (JRGraphics2DExporter.java:285)
at net.sf.jasperreports.engine.export.JRGraphics2DExporter.exportReport(JRGraphics2 DExporter.java:236)
at net.sf.jasperreports.view.JRViewer.paintPage(JRViewer.java:2121)
at net.sf.jasperreports.view.JRViewer$PageRenderer.paintComponent(JRViewer.java:227 1)
at javax.swing.JComponent.paint(JComponent.java:1054)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JViewport.paint(JViewport.java:731)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paint(JComponent.java:1063)
at javax.swing.JLayeredPane.paint(JLayeredPane.java:585)
at javax.swing.JComponent.paintChildren(JComponent.java:887)
at javax.swing.JComponent.paintToOffscreen(JComponent.java:5226)
at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java: 1529)
at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1452)
at javax.swing.RepaintManager.paint(RepaintManager.java:1249)
at javax.swing.JComponent.paint(JComponent.java:1040)
at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:39)
at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:78)
at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:115)
at java.awt.Container.paint(Container.java:1967)
at java.awt.Window.paint(Window.java:3877)
at javax.swing.RepaintManager$3.run(RepaintManager.java:819)
at javax.swing.RepaintManager$3.run(RepaintManager.java:796)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:7 6)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:796)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:769)
at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:718)
at javax.swing.RepaintManager.access$1100(RepaintManager.java:62)
at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1677)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:7 6)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242 )
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150 )
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
我的Bean代码：
public class PortoflioListJasper {
public PortoflioListJasper() {
}
public String runReportAction() {
System.out.println("On ReportAction");
DCIteratorBinding empIter = (DCIteratorBinding) getBindings().get("*Iterator Name*");
System.out.println("On Iterator");
Integer var = (Integer) (empIter.getCurrentRow().getAttribute("Id"));
System.out.println("On Attribute");
Map m = new HashMap();
System.out.println("On Map EmpID");
m.put("name",var );// where employeeId is a jasper report parameter
System.out.println("On Map " +portfolioId);
try
{
runReport("Reporta.jasper", m);
}
catch (Exception e)
{
}
return null;
}
public BindingContainer getBindings()
{
return BindingContext.getCurrent().getCurrentBindingsEntry();
}
public Connection getDataSourceConnection(String dataSourceName)
throws Exception
{
Context ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup(dataSourceName);
return ds.getConnection();
}
private Connection getConnection()
{
try
{
System.out.println("On Connection");
return getDataSourceConnection("*DataSource Name*");// datasource name should be defined in weblogic
}
catch (Exception e) {
System.out.println("On Catch");
e.printStackTrace();
return null;
}
}
public ServletContext getContext()
{
return (ServletContext)getFacesContext().getExternalContext().getContext();
}
public HttpServletResponse getResponse()
{
return (HttpServletResponse)getFacesContext().getExternalContext().getResponse();
}
public static FacesContext getFacesContext()
{
return FacesContext.getCurrentInstance();
}
public void runReport(String repPath, java.util.Map param) throws Exception
{
Connection conn = null;
try
{
HttpServletResponse response = getResponse();
System.out.println("Response : " +response);
ServletOutputStream out = response.getOutputStream();
response.setHeader("Cache-Control", "max-age=0");
response.setContentType("application/octet-stream");
ServletContext context = getContext();
InputStream fs = context.getResourceAsStream("/Reports/" + repPath);
System.out.println("Response : " +repPath);
System.out.println("Response : " +fs);
JasperReport template = (JasperReport) JRLoader.loadObject(fs);
System.out.println("Template : " +template);
template.setWhenNoDataType(WhenNoDataTypeEnum.ALL_SECTIONS_NO_DETAIL);
conn = getConnection();
JasperPrint print = JasperFillManager.fillReport(template, param, conn);
System.out.println("PDF" +print);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
JasperExportManager.exportReportToPdfStream(print, baos);
System.out.println("PDF" +baos);
out.write(baos.toByteArray());
JasperViewer view = new JasperViewer(print,false);
view.setVisible(true);
System.out.println("Printed");
out.flush();
out.close();
FacesContext.getCurrentInstance().responseComplete();
}
catch (Exception jex)
{
jex.printStackTrace();
}
finally
{
close(conn);
}
}
public void close(Connection con)
{
if (con != null)
{
try
{
con.close();
}
catch (Exception e)
{
}
}
}
}
我希望报表显示在屏幕上。
我想念任何罐子吗？
最佳答案
我们在adf中渲染了很多pdf。这是一个这样的例子。随附所需罐子清单供参考。
我的Jasper报告（MainReport.jasper）捆绑在一个jar文件中，并放在应用程序中。
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException {
try {
response.setContentType("application/pdf");
Gson gson = new Gson();
System.out.println("Request in GeneratePDFServlet ::" + request.getParameter("obj"));
PDFReportQuoteDeatails pdfReportQuoteDeatails = gson.fromJson(request.getParameter("obj"), PDFReportQuoteDeatails.class);
System.out.println(pdfReportQuoteDeatails);
InputStream is = (InputStream)getPdfReportAsInputStream(pdfReportQuoteDeatails);
OutputStream os = response.getOutputStream();
// is = (InputStream)getPdfReportAsInputStream(pdfReportQuoteDeatails);
int idx;
byte[] buffer = new byte[10240];
while ((idx = is.read(buffer, 0, 10240)) != -1) {
os.write(buffer, 0, idx);
}
System.out.println("Finished Writing..");
os.close();
response.flushBuffer();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
public InputStream getPdfReportAsInputStream(PDFReportQuoteDeatails quoteDetails) {
try {
Long maxPeriod = 0L;
InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream("MainReport.jasper");
if (is == null)
System.out.println("******FILE is null*******");
else
System.out.println("FILE is not null");
JasperPrint printFileName;
// JasperDesign jd = JRXmlLoader.load(is);
// JasperReport compiledReport = JasperCompileManager.compileReport(jd);
SortedMap<Long, SortedSet<Long>> periodMap = new TreeMap<Long, SortedSet<Long>>();
for (PDFQuoteLineBean qlb : quoteDetails.getQuoteLines()) {
SortedSet<Long> milagesForPeriod = periodMap.get(qlb.getPeriod());
if (milagesForPeriod == null) {
milagesForPeriod = new TreeSet<Long>();
System.out.println("qlb.getPeriod():" + qlb.getPeriod());
System.out.println("milagesForPeriod:" + milagesForPeriod);
periodMap.put(qlb.getPeriod(), milagesForPeriod);
if (maxPeriod < qlb.getPeriod()) {
maxPeriod = qlb.getPeriod();
}
}
milagesForPeriod.add(qlb.getMileage());
}
List<String> quoteHeaders = new ArrayList<String>();
for (Map.Entry<Long, SortedSet<Long>> e : periodMap.entrySet()) {
for (Long mileage : e.getValue()) {
quoteHeaders.add(getHeader(e.getKey(), mileage));
}
}
List list = getQuoteDetailsBeanList(quoteDetails.getQuoteLines(), quoteHeaders);
JRBeanCollectionDataSource beanColDataSource = new JRBeanCollectionDataSource(list,false);
Map parameters = new HashMap();
parameters.put("custAddrLine1", quoteDetails.getCustAddrLine1());
parameters.put("custAddrLine2", quoteDetails.getCustAddrLine2());
parameters.put("custAddrPoBox", quoteDetails.getCustAddrPoBox());
parameters.put("custAddrState", quoteDetails.getCustAddrState());
parameters.put("CustAddrCountry", quoteDetails.getCustAddrCountry());
parameters.put("custPhoneNo", quoteDetails.getCustPhoneNo());
parameters.put("custFaxNo", quoteDetails.getCustFaxNo());
parameters.put("quoteNo", quoteDetails.getQuoteNumber());
parameters.put("quoteSubject", quoteDetails.getOpportunityProduct() + " Rates");
parameters.put("quoteMsg",
"We thank you for your enquiry. As desired, please find below our " + quoteDetails.getOpportunityProduct().toLowerCase() + " rates for the vehicle(s) as mentioned below");
parameters.put("custName", quoteDetails.getCustomerName());
parameters.put("contactName", quoteDetails.getContactPointName());
parameters.put("quoteHeader1", quoteHeaders.size() > 0 ? quoteHeaders.get(0) : null);
parameters.put("quoteHeader2", quoteHeaders.size() > 1 ? quoteHeaders.get(1) : null);
parameters.put("quoteHeader3", quoteHeaders.size() > 2 ? quoteHeaders.get(2) : null);
parameters.put("quoteHeader4", quoteHeaders.size() > 3 ? quoteHeaders.get(3) : null);
parameters.put("quoteDate", quoteDetails.getQuoteDate());
parameters.put("salesManName", quoteDetails.getSalesManName());
parameters.put("salesManEmail", quoteDetails.getSalesManEmail());
parameters.put("salesManContactNo", quoteDetails.getSalesManConatactNo());
parameters.put("insuranceExcess", quoteDetails.getInsuranceExcess() != null && quoteDetails.getInsuranceExcess().trim().length() > 0 ? quoteDetails.getInsuranceExcess() : "0");
parameters.put("trafficViolationCharges",
quoteDetails.getTrafficViolationCharges() != null && quoteDetails.getTrafficViolationCharges().trim().length() > 0 ? quoteDetails.getTrafficViolationCharges() :
"0");
parameters.put("salikServiceCharge",
quoteDetails.getSalikServiceCharge() != null && quoteDetails.getSalikServiceCharge().trim().length() > 0 ? quoteDetails.getSalikServiceCharge() : "0");
String terminationClause = "";
if (maxPeriod != null) {
if (maxPeriod / 12 == 1) {
terminationClause = "The contract is non Cancellable in the first year. ";
} else if (maxPeriod / 12 == 2) {
terminationClause = "The contract is Non cancellable in the first year.\n" +
"If the contract is cancelled in the second year , then 3 months rentals would be charged as penalty.\n ";
} else if (maxPeriod / 12 == 3) {
terminationClause = "The contract is Non cancellable in the first year.\n" +
"If the contract is cancelled in the second year , then 4 months rentals would be charged as penalty.\n" +
"If the contract is cancelled in the third year , then 3 months rentals would be charged as penalty.\n";
} else {
terminationClause = "The contract is Non cancellable in the first year.\n" +
"If the contract is cancelled in the second year , then 5 months rentals would be charged as penalty.\n" +
"If the contract is cancelled in the third year , then 4 months rentals would be charged as penalty.\n" +
"If the contract is cancelled in the fourth year , then 3 months rentals would be charged as penalty.\n";
}
}
parameters.put("terminationClause", terminationClause);
if (list != null && list.size() > 0) {
System.out.println(quoteDetails.getQuoteLines().size() + " Quote lines detected");
parameters.put("noOfLines", list.size());
printFileName = JasperFillManager.fillReport(is, parameters, beanColDataSource);
} else {
System.out.println("No Quote lines detected");
parameters.put("noOfLines", 1);
printFileName = JasperFillManager.fillReport(is, parameters, new JREmptyDataSource());
}
if (printFileName != null) {
is = new ByteArrayInputStream(JasperExportManager.exportReportToPdf(printFileName));
return is;
} else {
System.out.println("getPdfReportAsInputStream::after fillReport ::: printFileName is null");
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}