Sonar fixes

Change-Id: Id9209ef62897df0f70f0409053ed3ef90e5f18df
diff --git a/apps/mcast/cli/src/main/java/org/onosproject/mcast/cli/McastHostDeleteCommand.java b/apps/mcast/cli/src/main/java/org/onosproject/mcast/cli/McastHostDeleteCommand.java
index 121a6c0..ca5959d 100644
--- a/apps/mcast/cli/src/main/java/org/onosproject/mcast/cli/McastHostDeleteCommand.java
+++ b/apps/mcast/cli/src/main/java/org/onosproject/mcast/cli/McastHostDeleteCommand.java
@@ -83,10 +83,9 @@
             print("Route is not present, store it first");
             return;
         }
-        // Otherwise remove the entire host id
-        if (host != null) {
-            mcastRouteManager.removeSink(mRoute, hostId);
-        }
+        // Remove the entire host id
+        mcastRouteManager.removeSink(mRoute, hostId);
+
         // We have done
         printMcastRoute(U_FORMAT_MAPPING, mRoute);
     }
diff --git a/apps/odtn/src/main/java/org/onosproject/odtn/cli/impl/OdtnManualTestCommand.java b/apps/odtn/src/main/java/org/onosproject/odtn/cli/impl/OdtnManualTestCommand.java
index 604e9d0..1f72785 100644
--- a/apps/odtn/src/main/java/org/onosproject/odtn/cli/impl/OdtnManualTestCommand.java
+++ b/apps/odtn/src/main/java/org/onosproject/odtn/cli/impl/OdtnManualTestCommand.java
@@ -172,7 +172,7 @@
                     .newDocumentBuilder().newDocument();
         } catch (ParserConfigurationException e) {
             printlog("Unexpected error", e);
-            throw new RuntimeException(e);
+            throw new IllegalStateException(e);
         }
 
         // netconf rpc boilerplate part without message-id
diff --git a/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java b/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
index 294134e..d3b95b4 100644
--- a/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
+++ b/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
@@ -161,7 +161,7 @@
             return nextId;
         }
 
-        public void setNextId(int nextId) {
+        protected void setNextId(int nextId) {
             this.nextId = nextId;
         }