SONAR suggestion - generic exceptions

Replace uses of generic RuntimeException
with more appropriate unchecked exceptions

Change-Id: If283743c2cf7252b8d280bdb788708ebbe57da9d
diff --git a/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/lsdb/IsisLspQueueConsumer.java b/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/lsdb/IsisLspQueueConsumer.java
index a43f424..ddee647 100644
--- a/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/lsdb/IsisLspQueueConsumer.java
+++ b/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/lsdb/IsisLspQueueConsumer.java
@@ -82,7 +82,7 @@
      *
      * @param wrapper LSP wrapper instance
      */
-    private void processRefreshLsp(LspWrapper wrapper) throws Exception {
+    private void processRefreshLsp(LspWrapper wrapper) {
         if (wrapper.isSelfOriginated()) { //self originated
             DefaultIsisInterface isisInterface = (DefaultIsisInterface) wrapper.isisInterface();
             Channel channel = isisInterface.channel();