Bug 182670 ScriptedDataSet does not use the same classloader when ran for Parameters than when ran for the report
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
}
		}
		finally
		{
			
			BirtUtility.removeTask( request );
			if ( task != null )
				task.close( );
		}
		return null;
	}
	/**
	 * @see org.eclipse.birt.report.service.api.IViewerReportService#getParameterSelectionList(org.eclipse.birt.report.service.api.IViewerReportDesignHandle,
	 *      org.eclipse.birt.report.service.api.InputOptions, java.lang.String)
	 */
	public Collection getParameterSelectionList(
			IViewerReportDesignHandle design, InputOptions runOptions,
			String paramName ) throws ReportServiceException
	{
		IGetParameterDefinitionTask task = null;
		try
		{
			task = getParameterDefinitionTask( design, runOptions );
			if ( task != null )
			{
				ViewerAttributeBean bean = getViewerAttrBean( runOptions );
				if ( bean != null )
				{
					task.setLocale( bean.getLocale( ) );
					task.setParameterValues( bean.getParameters( ) );