Cloudstack 9285 for 4.7.x

agent/src/com/cloud/agent/Agent.java

@@ -412,7 +412,8 @@ public class Agent implements HandlerFactory, IAgentControl {
             try {
                 _connection.start();
             } catch (final NioConnectionException e) {
-                throw new CloudRuntimeException("Unable to start the connection!", e);
+               s_logger.info("Attempted to connect to the server, but received an unexpected exception, trying again...");
+
             }
             _shell.getBackoffAlgorithm().waitBeforeRetry();
         } while (!_connection.isStartup());