Make Logger instance final as SL4J suggests
diff --git a/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java b/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java
index d012fc8..a014795 100644
--- a/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/AllSwitchStatisticsResource.java
@@ -39,7 +39,7 @@
  * @author readams
  */
 public class AllSwitchStatisticsResource extends SwitchResourceBase {
-    protected static Logger log = 
+    protected final static Logger log = 
         LoggerFactory.getLogger(AllSwitchStatisticsResource.class);
     
     @Get("json")
diff --git a/src/main/java/net/floodlightcontroller/core/web/ControllerRoleResource.java b/src/main/java/net/floodlightcontroller/core/web/ControllerRoleResource.java
index 652058e..2ed87cb 100644
--- a/src/main/java/net/floodlightcontroller/core/web/ControllerRoleResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/ControllerRoleResource.java
@@ -14,7 +14,7 @@
 
 public class ControllerRoleResource extends ServerResource {
 
-    protected static Logger log = LoggerFactory.getLogger(ControllerRoleResource.class);
+    protected final static Logger log = LoggerFactory.getLogger(ControllerRoleResource.class);
 
     @Get("json")
     public RoleInfo getRole() {
diff --git a/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologyClusterResource.java b/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologyClusterResource.java
index 648866f..d1888d3 100644
--- a/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologyClusterResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologyClusterResource.java
@@ -16,7 +16,7 @@
  */
 public class EventHistoryTopologyClusterResource extends ServerResource {
     // TODO - Move this to the LinkDiscovery rest API
-    protected static Logger log = 
+    protected final static Logger log = 
             LoggerFactory.getLogger(EventHistoryTopologyClusterResource.class);
 
     @Get("json")
diff --git a/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologyLinkResource.java b/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologyLinkResource.java
index 79c4006..e497228 100644
--- a/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologyLinkResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/EventHistoryTopologyLinkResource.java
@@ -16,7 +16,7 @@
  */
 public class EventHistoryTopologyLinkResource extends ServerResource {
     // TODO - Move this to the DeviceManager Rest API
-    protected static Logger log = 
+    protected final static Logger log = 
             LoggerFactory.getLogger(EventHistoryTopologyLinkResource.class);
 
     @Get("json")
diff --git a/src/main/java/net/floodlightcontroller/core/web/SwitchResourceBase.java b/src/main/java/net/floodlightcontroller/core/web/SwitchResourceBase.java
index d810024..1c138f6 100644
--- a/src/main/java/net/floodlightcontroller/core/web/SwitchResourceBase.java
+++ b/src/main/java/net/floodlightcontroller/core/web/SwitchResourceBase.java
@@ -48,7 +48,7 @@
  *
  */
 public class SwitchResourceBase extends ServerResource {
-    protected static Logger log = LoggerFactory.getLogger(SwitchResourceBase.class);
+    protected final static Logger log = LoggerFactory.getLogger(SwitchResourceBase.class);
     
     public enum REQUESTTYPE {
         OFSTATS,
diff --git a/src/main/java/net/floodlightcontroller/core/web/SwitchRoleResource.java b/src/main/java/net/floodlightcontroller/core/web/SwitchRoleResource.java
index 0d73f93..944c725 100644
--- a/src/main/java/net/floodlightcontroller/core/web/SwitchRoleResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/SwitchRoleResource.java
@@ -14,7 +14,7 @@
 
 public class SwitchRoleResource extends ServerResource {
 
-    protected static Logger log = LoggerFactory.getLogger(SwitchRoleResource.class);
+    protected final static Logger log = LoggerFactory.getLogger(SwitchRoleResource.class);
 
     @Get("json")
     public Object getRole() {
diff --git a/src/main/java/net/floodlightcontroller/core/web/SwitchStatisticsResource.java b/src/main/java/net/floodlightcontroller/core/web/SwitchStatisticsResource.java
index 57771f7..a0cada7 100644
--- a/src/main/java/net/floodlightcontroller/core/web/SwitchStatisticsResource.java
+++ b/src/main/java/net/floodlightcontroller/core/web/SwitchStatisticsResource.java
@@ -30,7 +30,7 @@
  * @author readams
  */
 public class SwitchStatisticsResource extends SwitchResourceBase {
-    protected static Logger log = 
+    protected final static Logger log = 
         LoggerFactory.getLogger(SwitchStatisticsResource.class);
 
     @Get("json")