it's ok if the field name doesn't exist as long a formatter with the …

…name exists.

src/groovy/de/andreasschmitt/export/exporter/AbstractExporter.groovy

@@ -37,7 +37,7 @@ abstract class AbstractExporter implements Exporter {
 	}
 
 	protected Object getValue(Object domain, String field){
-		return formatValue(domain, ExporterUtil.getNestedValue(domain, field), field)
+		return formatValue(domain, ExporterUtil.getNestedValue(domain, field, formatters?.containsKey(field)), field)
 	}
 
 	protected Writer getOutputStreamWriter(OutputStream outputStream) {

src/groovy/de/andreasschmitt/export/exporter/ExporterUtil.groovy

@@ -24,7 +24,7 @@ class ExporterUtil {
 		throw new AssertionError()
 	}
 
-	public static Object getNestedValue(Object domain, String field){
+	public static Object getNestedValue(Object domain, String field, boolean hasFormatter){
 		try {
 			// Doesn't work for dynamic properties such as tags used in taggable
 			return PropertyUtils.getProperty(domain, field)
@@ -35,25 +35,30 @@ class ExporterUtil {
 
 			int i = 0
 			def lastProp
+			def lastE
 			for(prop in subProps){
 				if(i == 0){
 					try {
 						lastProp = domain?."$prop"
 					}
 					catch(Exception e){
-						log.info("Couldn't retrieve property ${prop}", e)
+						lastE = e
 					}
 				}
 				else {
 					try {
 						lastProp = lastProp?."$prop"
 					}
 					catch(Exception e){
-						log.info("Couldn't retrieve property ${prop}", e)
+						lastE = e
 					}
 				}
 				i += 1
 			}
+
+			if (lastE && !hasFormatter) {
+				log.info("Couldn't retrieve property ${field}", lastE)
+			}
 
 			return lastProp
 		}