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[birt-report-engine-dev] engine.openReportDocument methos is throwing exception
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Hi,
I have a requirement where I want to run task one time and generate a IReportDocument, So that report I can use at different place to render (e.g. export etc) . For this purpose I have serialized all my model classes.
But I am finiding exception when I am trying to use engine.openReportDocument , any help will be highly appreciated. java, script and Exception is below :
//////////////////////////////Exception/////
Dec 8, 2009 7:09:45 PM
INFO: Parser is initialized
Dec 8, 2009 7:09:56 PM org.eclipse.birt.report.engine.api.impl.ReportDocumentReader loadCoreStreamLazily
SEVERE: Failed to load core stream
java.io.IOException
: com.rsa.esi.reports.model.VariableElement
at org.eclipse.birt.core.util.IOUtil.readObject(
IOUtil.java:525)
at org.eclipse.birt.core.util.IOUtil.readList(
IOUtil.java:813)
at org.eclipse.birt.core.util.IOUtil.readObject(
IOUtil.java:497)
at org.eclipse.birt.core.util.IOUtil.readMap(
IOUtil.java:888)
at org.eclipse.birt.core.util.IOUtil.readObject(
IOUtil.java:500)
at org.eclipse.birt.core.util.IOUtil.readMap(
IOUtil.java:888)
at org.eclipse.birt.report.engine.api.impl.ReportDocumentReader.loadCoreStreamBodyV2(
ReportDocumentReader.java:512)
at org.eclipse.birt.report.engine.api.impl.ReportDocumentReader.loadCoreStreamBody(
ReportDocumentReader.java:456)
at org.eclipse.birt.report.engine.api.impl.ReportDocumentReader.loadCoreStream(
ReportDocumentReader.java:408)
at org.eclipse.birt.report.engine.api.impl.ReportDocumentReader.loadCoreStream(
ReportDocumentReader.java:386)
at org.eclipse.birt.report.engine.api.impl.ReportDocumentReader.loadCoreStreamLazily(
ReportDocumentReader.java:347)
at org.eclipse.birt.report.engine.api.impl.ReportDocumentReader.getParameterValues(
ReportDocumentReader.java:888)
at org.eclipse.birt.report.engine.api.impl.RenderTask.<init>(
RenderTask.java:127)
at org.eclipse.birt.report.engine.api.impl.RenderTask.<init>(
RenderTask.java:78)
at org.eclipse.birt.report.engine.api.impl.ReportEngineHelper.createRenderTask(
ReportEngineHelper.java:458)
at org.eclipse.birt.report.engine.api.impl.ReportEngine.createRenderTask(
ReportEngine.java:520)
at com.aaa.bbb.reports.actions.ESIReportAction.createReport(
ESIReportAction.java:69)
at com.aaa.bbb.rcp.ApplicationActionBarAdvisor$1.run(
ApplicationActionBarAdvisor.java:228)
at org.eclipse.jface.action.Action.runWithEvent(
Action.java:498)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(
ActionContributionItem.java:583)
at org.eclipse.jface.action.ActionContributionItem.access$2(
ActionContributionItem.java:500)
at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(
ActionContributionItem.java:411)
at org.eclipse.swt.widgets.EventTable.sendEvent(
EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(
Widget.java:1003)
at org.eclipse.swt.widgets.Display.runDeferredEvents(
Display.java:3823)
at org.eclipse.swt.widgets.Display.readAndDispatch(
Display.java:3422)
at org.eclipse.ui.internal.Workbench.runEventLoop(
Workbench.java:2384)
at org.eclipse.ui.internal.Workbench.runUI(
Workbench.java:2348)
at org.eclipse.ui.internal.Workbench.access$4(
Workbench.java:2200)
at org.eclipse.ui.internal.Workbench$5.run(
Workbench.java:495)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(
Realm.java:288)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(
Workbench.java:490)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(
PlatformUI.java:149)
at com.aaa.bbb.rcp.Application.start(
Application.java:59)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(
EclipseAppHandle.java:193)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(
EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(
EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(
EclipseStarter.java:386)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(
EclipseStarter.java:179)
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.eclipse.equinox.launcher.Main.invokeFramework(
Main.java:549)
at org.eclipse.equinox.launcher.Main.basicRun(
Main.java:504)
at org.eclipse.equinox.launcher.Main.run(
Main.java:1236)
at org.eclipse.equinox.launcher.Main.main(
Main.java:1212)
Dec 8, 2009 7:09:56 PM org.eclipse.birt.report.engine.api.impl.ReportDocumentReader loadCoreStreamLazily
SEVERE: Failed to load core stream
//////////////////////////////////////Exception END/////////////////
Below is java and script code I am using. problematic code is in bold.
/////////////////////////////////////JAVA CODE ///////////////////////////////////////////
package com.aaa.bbb.report.view;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.HashMap;
import org.eclipse.birt.core.framework.Platform;
import org.eclipse.birt.report.engine.api.EXCELRenderOption;
import org.eclipse.birt.report.engine.api.EngineConfig;
import org.eclipse.birt.report.engine.api.EngineConstants;
import org.eclipse.birt.report.engine.api.EngineException;
import org.eclipse.birt.report.engine.api.HTMLRenderContext;
import org.eclipse.birt.report.engine.api.HTMLRenderOption;
import org.eclipse.birt.report.engine.api.IRenderOption;
import org.eclipse.birt.report.engine.api.IRenderTask;
import org.eclipse.birt.report.engine.api.IReportDocument;
import org.eclipse.birt.report.engine.api.IReportEngine;
import org.eclipse.birt.report.engine.api.IReportEngineFactory;
import org.eclipse.birt.report.engine.api.IReportRunnable;
import org.eclipse.birt.report.engine.api.IRunAndRenderTask;
import org.eclipse.birt.report.engine.api.IRunTask;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.part.ViewPart;
public class SampleView extends ViewPart
{
public static final String ID = "org.eclipse.birt.examples.rcpengine.view";
private Browser browser;
/**
* This is a callback that will allow us to create the viewer and initialize
* it.
*/
public void createPartControl(Composite parent) {
parent.setLayout(new GridLayout());
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
Group reportGroup = new Group(parent, SWT.SHADOW_IN);
reportGroup.setText("Select report:");
GridLayout layout = new GridLayout(2, false);
reportGroup.setLayout(layout);
gd = new GridData(GridData.FILL_HORIZONTAL);
reportGroup.setLayoutData(gd);
gd = new GridData();
gd.horizontalSpan = 2;
Label label = new Label(reportGroup, SWT.NONE);
label.setText("Full Path:");
label.setLayoutData(gd);
Button showReport = new Button(reportGroup, SWT.PUSH);
showReport.setText("Run Report");
showReport.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
try {
createReport();
} catch (Exception exp) {
exp.printStackTrace();
}
// addReportParameters(lParent, gridData);
// openReportRunner();
}
public void widgetDefaultSelected(SelectionEvent e) {
// TODO Auto-generated method stub
}
});
browser = new Browser(parent, SWT.NONE);
gd = new GridData(GridData.FILL_BOTH);
gd.horizontalSpan = 2;
browser.setLayoutData(gd);
}
private void createReport() throws EngineException {
EngineConfig config = new EngineConfig();
// Create the report engine
IReportEngineFactory factory = (IReportEngineFactory) Platform.createFactoryObject( IReportEngineFactory.EXTENSION_REPORT_ENGINE_FACTORY );
IReportEngine engine = factory.createReportEngine( config );
IReportRunnable design = null;
try {
// Open a report design
FileInputStream fs = new FileInputStream("C:\\MySpace\\EclipseWorkspace\\Report\\test2\\envision\\esi\\com.rsa.esi.report\\src\\esireport_final.rptdesign");
design = engine.openReportDesign(fs);
IRunTask task = engine.createRunTask(design);
task.run("C:/tempmock.rptdocument");
IReportDocument ird = engine.openReportDocument("C:/tempmock.rptdocument");
IRenderTask renderTask = engine.createRenderTask(ird);
// Set rendering options
//EXCELRenderOption xlsRenderoptions = new EXCELRenderOption();
HTMLRenderOption htmlRenderOptions = new HTMLRenderOption();
//ByteArrayOutputStream bos = new ByteArrayOutputStream();
//FileOutputStream xlsStrem = new FileOutputStream("C:/temp.xls");
FileOutputStream htmlStrem = new FileOutputStream("C:/temp.html");
//xlsRenderoptions.setOutputStream(xlsStrem);
//options.setOutputFormat(IRenderOption.OUTPUT_FORMAT_HTML);
htmlRenderOptions.setOutputStream(htmlStrem);
renderTask.setRenderOption(htmlRenderOptions);
htmlRenderOptions.setOutputFormat(IRenderOption.OUTPUT_FORMAT_HTML);
// run the report and destroy the engine
renderTask.render();
htmlStrem.close();
//xlsStrem.close();
//set Browser text accordingly
//browser.setText(bos.toString());
browser.setUrl("C:/temp.html");
engine.destroy();
}
catch (Exception e) {
e.printStackTrace();
}
}
/**
* Passing the focus request to the viewer's control.
*/
public void setFocus() {
}
}
////////////////////////////////////////////////////////////////////////////////////////////////// END OF JAVA CODE////////////////////////////////////////////////////
///////////////////////////////////// Script CODE
importPackage( Packages.java.util );
importPackage( Packages.java.lang );
importPackage(Packages.org.eclipse.core.runtime);
var eventList = new ArrayList();
var headerMap = new Hashtable();
var messageMap = new Hashtable();
var headerVarMap = new Hashtable();
var messageVarMap = new Hashtable();
/*
* load and init data reader
* import Platform from org.eclipse.core.runtime
*/
/* load bundle with POJOs and data loading class */
myBundle = Platform.getBundle("com.aaa.bbb.report");
/* load data reader class */
readerClass = myBundle.loadClass("com.aaa.bbb.report.data.TestReportData");
/* create new instance of DataReader */
readerInstance = readerClass.newInstance();
//Load the List
var gtestDataList = readerInstance.createReportData();
for ( i=0; i < gtestDataList.size(); i++ )
{
var event = gtestDataList.get(i).getEvent();
var hdrDataList = gtestDataList.get(i).getHdrDataList();
var msgDataList = gtestDataList.get(i).getMsgDataList();
eventList.add(event);
messageMap.put( event, msgDataList);
headerMap.put( event, hdrDataList);
for(j=0; j < msgDataList.size(); j++)
{
var msgData = msgDataList.get(j);
messageVarMap.put(event+msgData.getMessageID(),msgData.getMsgVars());
}
for(j=0; j < hdrDataList.size(); j++)
{
var hdrData = hdrDataList.get(j);
headerVarMap.put(event+hdrData.getHeaderID(),hdrData.getHdrVars());
}
}
reportContext.setPersistentGlobalVariable("eventList", eventList);
reportContext.setPersistentGlobalVariable("headerMap", headerMap);
reportContext.setPersistentGlobalVariable("messageMap", messageMap);
reportContext.setPersistentGlobalVariable("headerVarMap", headerVarMap);
reportContext.setPersistentGlobalVariable("messageVarMap", messageVarMap);
