SONAR suggestion - log exceptions, don't print stack traces

Change-Id: I4814a0662912706df005972d44c48a7db39ecd50
diff --git a/apps/netconf/client/src/main/java/org/onosproject/netconf/client/impl/NetconfTranslatorImpl.java b/apps/netconf/client/src/main/java/org/onosproject/netconf/client/impl/NetconfTranslatorImpl.java
index c563204..f663fd0 100644
--- a/apps/netconf/client/src/main/java/org/onosproject/netconf/client/impl/NetconfTranslatorImpl.java
+++ b/apps/netconf/client/src/main/java/org/onosproject/netconf/client/impl/NetconfTranslatorImpl.java
@@ -93,8 +93,8 @@
 @Component(immediate = true)
 public class NetconfTranslatorImpl implements NetconfTranslator {
 
-    private final Logger log = LoggerFactory
-            .getLogger(getClass());
+    private static final Logger log = LoggerFactory
+            .getLogger(NetconfTranslator.class);
 
     private NodeId localNodeId;
 
@@ -354,7 +354,7 @@
             try {
                 rIdBldr = rid.copyBuilder();
             } catch (CloneNotSupportedException e) {
-                e.printStackTrace();
+                log.debug("clone not supported", e);
             }
         } else {
             rIdBldr.addBranchPointSchema("/", null);