Bug 141255 No error for the incompatible parameter value
Steps to reproduce: 1.New a decimal parameter, set the default value to "aaa" 2.Preview the report by "Preview" tab Expected result: Error to say the incompatible parameter value Actual result: Parameter request page keeps poping up till input the decimal value Note: if preview in Web Viewer, error will be thrown out, but no exception description.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/presentation/aggregation/parameter/RadioButtonParameterFragment.java
Locale locale ) throws ReportServiceException
	{
		ViewerAttributeBean attrBean = (ViewerAttributeBean) request
				.getAttribute( "attributeBean" ); 
		assert attrBean != null;
		InputOptions options = new InputOptions( );
		options.setOption( InputOptions.OPT_REQUEST, request );
		Collection selectionList = service.getParameterSelectionList(
				attrBean.getReportDesignHandle( request ), options,
				parameterBean.getName( ) );
		if ( selectionList != null )
		{
			ReportParameterConverter converter = new ReportParameterConverter(
					parameter.getPattern( ), locale );
			for ( Iterator iter = selectionList.iterator( ); iter.hasNext( ); )
			{
				ParameterSelectionChoice selectionItem = (ParameterSelectionChoice) iter
						.next( );
				String value = converter.format( selectionItem.getValue( ) );
				String label = selectionItem.getLabel( );
				label = ( label == null || label.length( ) <= 0 )
						? value
						: label;
				label = ParameterAccessor.htmlEncode( label );
				parameterBean.getSelectionList( ).add( label );
				parameterBean.getSelectionTable( ).put( label, value );
			}
		}
	}
}