SONAR suggestion - don't use generic exceptions

Change-Id: I77c4325281e94e189b7f1212a932f7e912b56b51
diff --git a/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/Controller.java b/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/Controller.java
index e8dc9f0..8e1006e 100644
--- a/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/Controller.java
+++ b/protocols/isis/ctl/src/main/java/org/onosproject/isis/controller/impl/Controller.java
@@ -94,9 +94,8 @@
      * Updates the processes configuration.
      *
      * @param jsonNode json node instance
-     * @throws Exception might throws parse exception
      */
-    public void updateConfig(JsonNode jsonNode) throws Exception {
+    public void updateConfig(JsonNode jsonNode) {
         log.debug("Controller::UpdateConfig called");
         configPacket = new byte[IsisConstants.CONFIG_LENGTH];
         byte numberOfInterface = 0; // number of interfaces to configure