Bug 141951 Export data throw NPE when target document doesn't exist
Description: Export data doesn't work when deploy birt in WebSphere6 Steps to reproduce: 1. Deploy birt in WebSphere6 2. Preview report and click Export Data Result: java.lang.NullPointerException Stack Trace: org.apache.axis.AxisFault.makeFault(AxisFault.java:101) org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.process(Unknown Source) org.eclipse.birt.report.soapengine.endpoint.BirtSoapBindingImpl.getUpdatedObjects(Unknown Source) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
.getOption( InputOptions.OPT_IS_MASTER_PAGE_CONTENT );
		String format = (String) options
				.getOption( InputOptions.OPT_RENDER_FORMAT );
		Boolean isRtl = (Boolean) options.getOption( InputOptions.OPT_RTL );
		try
		{
			IReportRunnable runnable = ReportEngineService.getInstance( )
					.openReportDesign( reportDesignName );
			Map parsedParams = getParsedParameters( design, options, parameters );
			ReportEngineService.getInstance( ).runAndRenderReport( request,
					runnable, out, format, locale, isRtl.booleanValue( ),
					parsedParams, isMasterPageContent.booleanValue( ),
					svgFlag.booleanValue( ) );
		}
		catch ( RemoteException e )
		{
			throw new ReportServiceException( e.getLocalizedMessage( ) );
		}
		catch ( EngineException e )
		{
			throw new ReportServiceException( e.getLocalizedMessage( ) );
		}
	}
	public Object getParameterDefaultValue( IViewerReportDesignHandle design,
			String parameterName, InputOptions options )
			throws ReportServiceException
	{
		IGetParameterDefinitionTask task = getParameterDefinitionTask( design );
		return task.getDefaultValue( parameterName );
	}