diff --git a/carbonj.service/src/main/java/com/demandware/carbonj/service/accumulator/MetricAggregationPolicySource.java b/carbonj.service/src/main/java/com/demandware/carbonj/service/accumulator/MetricAggregationPolicySource.java
index 69e10abd..5ae0b22c 100644
--- a/carbonj.service/src/main/java/com/demandware/carbonj/service/accumulator/MetricAggregationPolicySource.java
+++ b/carbonj.service/src/main/java/com/demandware/carbonj/service/accumulator/MetricAggregationPolicySource.java
@@ -17,6 +17,7 @@
 class MetricAggregationPolicySource
 {
     private MetricAggregationRulesLoader rulesLoader;
+    private static final Logger log = LoggerFactory.getLogger( MetricAggregationPolicySource.class );
 
     public MetricAggregationPolicySource( MetricAggregationRulesLoader rulesLoader)
     {
diff --git a/carbonj.service/src/main/java/com/demandware/carbonj/service/engine/StorageAggregationRule.java b/carbonj.service/src/main/java/com/demandware/carbonj/service/engine/StorageAggregationRule.java
index daffc021..d800844c 100644
--- a/carbonj.service/src/main/java/com/demandware/carbonj/service/engine/StorageAggregationRule.java
+++ b/carbonj.service/src/main/java/com/demandware/carbonj/service/engine/StorageAggregationRule.java
@@ -20,6 +20,7 @@ class StorageAggregationRule
     final private Pattern pattern;
     final AggregationMethod method;
     final private boolean alwaysTrue;
+    private static final Logger log = LoggerFactory.getLogger( StorageAggregationRule.class );
 
     public static StorageAggregationRule parseDefinition( String line)
     {
diff --git a/carbonj.service/src/main/java/com/demandware/carbonj/service/engine/StorageAggregationRules.java b/carbonj.service/src/main/java/com/demandware/carbonj/service/engine/StorageAggregationRules.java
index e8a5df26..52ebbb39 100644
--- a/carbonj.service/src/main/java/com/demandware/carbonj/service/engine/StorageAggregationRules.java
+++ b/carbonj.service/src/main/java/com/demandware/carbonj/service/engine/StorageAggregationRules.java
@@ -18,6 +18,7 @@ public class StorageAggregationRules
 {
     private int revision;
     private List<StorageAggregationRule> rules = new ArrayList<>();
+    private static final Logger log = LoggerFactory.getLogger( StorageAggregationRules.class );
 
     /**
      * Initializes instance with rules.