1.1 --- a/java/sql-dk/src/info/globalcode/sql/dk/formatting/BarChartFormatter.java	Sun Sep 06 21:46:03 2015 +0200
     1.2 +++ b/java/sql-dk/src/info/globalcode/sql/dk/formatting/BarChartFormatter.java	Sun Sep 06 21:48:54 2015 +0200
     1.3 @@ -61,9 +61,10 @@
     1.4  		BigDecimal minimum = BigDecimal.ZERO;
     1.5  		int lastIndex = currentHeader.getColumnCount() - 1;
     1.6  
     1.7 +		Object valueObject = null;
     1.8  		try {
     1.9  			for (Object[] row : currentResultSet) {
    1.10 -				Object valueObject = row[lastIndex];
    1.11 +				valueObject = row[lastIndex];
    1.12  				if (valueObject != null) {
    1.13  					BigDecimal value = new BigDecimal(valueObject.toString());
    1.14  					maximum = maximum.max(value);
    1.15 @@ -74,8 +75,10 @@
    1.16  			BigDecimal range = maximum.subtract(minimum);
    1.17  
    1.18  			for (Object[] row : currentResultSet) {
    1.19 -				Object valueObject = row[lastIndex];
    1.20 -				if (valueObject != null) {
    1.21 +				valueObject = row[lastIndex];
    1.22 +				if (valueObject == null) {
    1.23 +					row[lastIndex] = "";
    1.24 +				} else {
    1.25  					BigDecimal value = new BigDecimal(valueObject.toString());
    1.26  					BigDecimal valueFromMinimum = value.subtract(minimum);
    1.27  
    1.28 @@ -87,7 +90,7 @@
    1.29  
    1.30  		} catch (NumberFormatException e) {
    1.31  			// https://en.wiktionary.org/wiki/parsable
    1.32 -			log.log(Level.SEVERE, "Last column must be number or an object with toString() value parsable to a number.");
    1.33 +			log.log(Level.SEVERE, "Last column must be number or an object with toString() value parsable to a number. But was „{0}“", valueObject);
    1.34  			// FIXME: throw FormatterException
    1.35  			throw e;
    1.36  		}