Make Logger instance final as SL4J suggests
diff --git a/src/main/java/net/floodlightcontroller/topology/TopologyManager.java b/src/main/java/net/floodlightcontroller/topology/TopologyManager.java
index a47a5f2..3e624e7 100644
--- a/src/main/java/net/floodlightcontroller/topology/TopologyManager.java
+++ b/src/main/java/net/floodlightcontroller/topology/TopologyManager.java
@@ -61,7 +61,7 @@
IRoutingService, ILinkDiscoveryListener,
IOFMessageListener, IHAListener {
- protected static Logger log = LoggerFactory.getLogger(TopologyManager.class);
+ protected final static Logger log = LoggerFactory.getLogger(TopologyManager.class);
public static final String CONTEXT_TUNNEL_ENABLED =
"com.bigswitch.floodlight.topologymanager.tunnelEnabled";