Bug 208718 Exception is thrown out when exported data with column's data type [0002]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
IReportRunnable runnable, InputOptions options )
	{
		IGetParameterDefinitionTask task = null;
		try
		{
			HttpServletRequest request = (HttpServletRequest) options
					.getOption( InputOptions.OPT_REQUEST );
			task = engine.createGetParameterDefinitionTask( runnable );
			
			Map context = BirtUtility.getAppContext( request,
					ReportEngineService.class.getClassLoader( ) );
			task.setAppContext( context );
		}
		catch ( Exception e )
		{
		}
		return task;
	}
	/**
	 * Open report document from archive,
	 * 
	 * @param docName
	 *            the name of the report document
	 * @param systemId
	 *            the system ID to search the resource in the document,
	 *            generally it is the file name of the report design
	 * @param options
	 *            the config options used in document
	 * @return the report docuement
	 */