[
Date Prev][
Date Next][
Thread Prev][
Thread Next][
Date Index][
Thread Index]
[
List Home]
[birt-report-engine-dev] Error when running multiple instance of the report engine
|
Hello,
I am doing some tests on the BIRT engine to check if multiple instance
of the engine can be runned simultaneously.
Problem description:
When I have 10 users that execute one time my report generation,
everything is ok. But if these 10 users try to generate 10 times
sequentially I got the following error:
Caused by: org.mozilla.javascript.EvaluatorException: Le constructeur
de "ReportDefn" est introuvable
at org.mozilla.javascript.DefaultErrorReporter.runtimeError(DefaultErrorReporter.java:95)
at org.mozilla.javascript.Context.reportRuntimeError(Context.java:1054)
at org.mozilla.javascript.Context.reportRuntimeError(Context.java:1110)
at org.mozilla.javascript.Context.reportRuntimeError1(Context.java:1073)
at org.mozilla.javascript.ScriptRuntime.getExistingCtor(ScriptRuntime.java:1119)
at org.mozilla.javascript.Context.newObject(Context.java:1548)
at org.eclipse.birt.report.model.script.ModelJavaScriptWrapper.wrap(ModelJavaScriptWrapper.java:71)
at org.eclipse.birt.core.script.ScriptContext$BIRTWrapper.wrap(ScriptContext.java:317)
at org.mozilla.javascript.Context.javaToJS(Context.java:1723)
at org.eclipse.birt.core.script.ScriptContext.registerBean(ScriptContext.java:108)
at org.eclipse.birt.report.engine.executor.ExecutionContext.setRunnable(ExecutionContext.java:851)
at org.eclipse.birt.report.engine.api.impl.EngineTask.<init>(EngineTask.java:83)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.<init>(RunAndRenderTask.java:67)
at org.eclipse.birt.report.engine.api.impl.ReportEngineHelper.createRunAndRenderTask(ReportEngineHelper.java:162)
at org.eclipse.birt.report.engine.api.ReportEngine.createRunAndRenderTask(ReportEngine.java:261)
at com.michelin.xxx.birt.sample.RunReport.generateReport(RunReport.java:68)
at pagecode.Birt.doButton1Action(Birt.java:50)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:60)
at java.lang.reflect.Method.invoke(Method.java:391)
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:127)
... 21 more
Code:
here is the code I use to generate my report.
EngineConfig config = new EngineConfig();
config.setEngineHome("D://F272652//work//radweb//birt//birt-runtime-1_0//Report
Engine");
HTMLEmitterConfig hc = new HTMLEmitterConfig();
HTMLCompleteImageHandler imageHandler = new HTMLCompleteImageHandler();
hc.setImageHandler(imageHandler);
config.setEmitterConfiguration(HTMLRenderOption.OUTPUT_FORMAT_HTML, hc);
ReportEngine engine = new ReportEngine(config);
IReportRunnable report = null;
try {
report = engine.openReportDesign(reportName);
} catch (EngineException e) {
System.err.println("Report " + reportName + " not found!\n");
engine.destroy();
return;
}
if (info.booleanValue()) {
showReportInfo(engine, report);
}
if (format != null) {
HashMap params = new HashMap();
parseParams(engine, report, params);
IRunAndRenderTask task = engine.createRunAndRenderTask(report);
HTMLRenderOption options = new HTMLRenderOption();
options.setOutputFormat(format);
String output = reportName.replaceFirst(".rptdesign", "." + format);
options.setOutputFileName(output);
task.setRenderOption(options);
task.setParameterValues(params);
try {
task.run();
} catch (EngineException e1) {
System.err.println("Report " + reportName + " run failed.\n");
System.err.println(e1.toString());
}
}
engine.destroy();
I don't understand what could be the problem. Thanks for you help.
--
Olivier Jauze