--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/states/minfo/DifferencesState.java	Fri Sep 05 12:54:58 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/states/minfo/DifferencesState.java	Fri Sep 05 12:58:17 2014 +0200
@@ -50,8 +50,8 @@
 extends DefaultState
 implements FacetTypes
 {
-    /** The logger used in this class. */
-    private static Logger logger = Logger.getLogger(DifferencesState.class);
+    /** The log used in this class. */
+    private static Logger log = Logger.getLogger(DifferencesState.class);
     public static final String I18N_DIFF_YEAR = "beddifference.year";
 
     public static final String I18N_FACET_BED_DIFF_YEAR = "facet.bedheight.diff.year";
@@ -74,7 +74,7 @@
     @Override
     public Object computeAdvance(D4EArtifact artifact, String hash,
         CallContext context, List<Facet> facets, Object old) {
-        logger.debug("DifferencesState.computeAdvance");
+        log.debug("DifferencesState.computeAdvance");
 
         List<Facet> newFacets = new ArrayList<Facet>();
 
@@ -91,19 +91,19 @@
         BedDifferencesResult[] results = (BedDifferencesResult[]) res.getData();
 
         if (results == null || results.length == 0) {
-            logger.warn("Calculation computed no results!");
+            log.warn("Calculation computed no results!");
             return res;
         }
 
         generateFacets(context, newFacets, results, getID(), hash);
-        logger.debug("Created " + newFacets.size() + " new Facets.");
+        log.debug("Created " + newFacets.size() + " new Facets.");
 
         facets.addAll(newFacets);
 
         Calculation report = res.getReport();
         if (report != null && report.hasProblems()) {
             facets.add(new ReportFacet(ComputeType.ADVANCE, hash, id));
-            logger.warn("Problems: " + report.problemsToString());
+            log.warn("Problems: " + report.problemsToString());
         }
 
         return res;
@@ -119,7 +119,7 @@
         String stateId,
         String hash
     ) {
-        logger.debug("DifferencesState.generateFacets");
+        log.debug("DifferencesState.generateFacets");
 
         CallMeta meta = context.getMeta();