debug message improved

model/src/main/java/lcsb/mapviewer/model/map/reaction/AbstractNodeComparator.java

@@ -48,7 +48,9 @@ public class AbstractNodeComparator extends Comparator<AbstractNode> {
   protected int internalCompare(AbstractNode arg0, AbstractNode arg1) {
     PolylineDataComparator pdComparator = new PolylineDataComparator(epsilon);
     if (pdComparator.compare(arg0.getLine(), arg1.getLine()) != 0) {
-      logger.debug("Different lines: " + arg0.getLine() + ", " + arg1.getLine());
+      logger.debug("Different lines:");
+      logger.debug(arg0.getLine());
+      logger.debug(arg1.getLine());
       return pdComparator.compare(arg0.getLine(), arg1.getLine());
     }
     return 0;