Bug 147819 Dynamic parameter, if value column datas include null datas, preview, system throws exception
Dynamic parameter, if value column datas include null datas, preview, system throws exception Step: data source: sample DB data set: select * from CLASSICMODELS.CUSTOMERS 1.Create a dynamic parameter 2.Display type select List Box, value columm select "State"; display text select "CUSTOMERNAME"; 3.Preview in html Actual Results: 1.System throws Http status 500 exception
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/BirtGetCascadeParameterActionHandler.java
.getFormattedString(
									ResourceConstants.REPORT_SERVICE_EXCEPTION_INVALID_PARAMETER,
									new String[]{firstName} ) );
		}
		ParameterGroupDefinition group = paramDef.getGroup( );
		if ( group != null )
		{
			if ( group.getParameterCount( ) > params.size( ) )
			{
				int remainingParams = group.getParameterCount( )
						- params.size( );
				for ( int i = 0; i < remainingParams; i++ )
				{
					ParameterDefinition def = (ParameterDefinition) group
							.getParameters( ).get( params.size( ) + i );
					remainingParamNames.add( def.getName( ) );
				}
			}
		}
		
		try
		{
			if ( remainingParamNames.size( ) > 0 )
			{
				listArray = new List[remainingParamNames.size( )];
				for ( int k = 0; k < remainingParamNames.size( ); k++ )
				{
					Object[] keyValue = new Object[params.size( ) + k];
					Set values = params.keySet( );
					int i = 0;