1 files changed, 1 insertions, 1 deletions
diff --git a/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/extractor/MapExtractor.java b/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/extractor/MapExtractor.java
index aff9d860..032ea47e 100644
--- a/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/extractor/MapExtractor.java
+++ b/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/extractor/MapExtractor.java
@@ -53,7 +53,7 @@ public class MapExtractor implements Extractor {
             return map.get(key);
 
         } else {
-            logger.warn("expecting a map, instead of " + object.getClass());
+            logger.warn("expecting a map, instead of {}", object.getClass());
             return null;
         }
     }