Make Logger instance final as SL4J suggests
diff --git a/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRoute.java b/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRoute.java
index 30b39a6..813f095 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRoute.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRoute.java
@@ -80,7 +80,7 @@
 									IOFSwitchListener, ILayer3InfoService,
 									IProxyArpService {
 	
-	private static Logger log = LoggerFactory.getLogger(BgpRoute.class);
+	private final static Logger log = LoggerFactory.getLogger(BgpRoute.class);
 
 	private IFloodlightProviderService floodlightProvider;
 	private ITopologyService topologyService;
diff --git a/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRouteResource.java b/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRouteResource.java
index c1f0cd6..ddc1e25 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRouteResource.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRouteResource.java
@@ -13,7 +13,7 @@
 
 public class BgpRouteResource extends ServerResource {
 
-	protected static Logger log = LoggerFactory.getLogger(BgpRouteResource.class);
+	protected final static Logger log = LoggerFactory.getLogger(BgpRouteResource.class);
 
 	@Get
 	public String get(String fmJson) {
diff --git a/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRouteResourceSynch.java b/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRouteResourceSynch.java
index 543827d..fe0ad87 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRouteResourceSynch.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRouteResourceSynch.java
@@ -10,7 +10,7 @@
 
 public class BgpRouteResourceSynch extends ServerResource {
     
-	protected static Logger log = LoggerFactory
+	protected final static Logger log = LoggerFactory
             .getLogger(BgpRouteResource.class);
 	
 	@Post
diff --git a/src/main/java/net/onrc/onos/ofcontroller/bgproute/FlowCache.java b/src/main/java/net/onrc/onos/ofcontroller/bgproute/FlowCache.java
index d1cb578..1d16eb2 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/bgproute/FlowCache.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/bgproute/FlowCache.java
@@ -19,7 +19,7 @@
 import org.slf4j.LoggerFactory;
 
 public class FlowCache {
-	private static Logger log = LoggerFactory.getLogger(FlowCache.class);
+	private final static Logger log = LoggerFactory.getLogger(FlowCache.class);
 	
 	private IFloodlightProviderService floodlightProvider;
 	
diff --git a/src/main/java/net/onrc/onos/ofcontroller/bgproute/PtreeNode.java b/src/main/java/net/onrc/onos/ofcontroller/bgproute/PtreeNode.java
index 50b7c7d..264b0ee 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/bgproute/PtreeNode.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/bgproute/PtreeNode.java
@@ -14,7 +14,7 @@
 	public int refCount;
 	
 	public RibEntry rib;
-	protected static Logger log = LoggerFactory.getLogger(BgpRoute.class);
+	protected final static Logger log = LoggerFactory.getLogger(BgpRoute.class);
 	
 	PtreeNode(byte [] key, int key_bits, int max_key_octet) {
 		parent = null;
diff --git a/src/main/java/net/onrc/onos/ofcontroller/bgproute/RestClient.java b/src/main/java/net/onrc/onos/ofcontroller/bgproute/RestClient.java
index f6f1a03..a9f2abe 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/bgproute/RestClient.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/bgproute/RestClient.java
@@ -13,7 +13,7 @@
 
 
 public class RestClient {
-	protected static Logger log = LoggerFactory.getLogger(RestClient.class);
+	protected final static Logger log = LoggerFactory.getLogger(RestClient.class);
 
 	public static String get(String str) {
 		StringBuilder response = new StringBuilder();