Improved error response for new node

Client/controllers/clientController.js

@@ -105,7 +105,7 @@ exports.checkIn = async () => {
         if (!runningClientConfig?.id || runningClientConfig.id == null) {
             // ID was not found in the config, creating a new node
             reqOptions = new requestOptions("/nodes/newNode", "POST");                
-            sendHttpRequest(reqOptions, JSON.stringify(), (responseObject) => {
+            sendHttpRequest(reqOptions, JSON.stringify({}), (responseObject) => {
                 // Update the client's ID if the server accepted it
                 if (responseObject.statusCode === 202) {
                     runningClientConfig.id = responseObject.body.nodeId;
@@ -114,6 +114,7 @@ exports.checkIn = async () => {
 
                 if (responseObject.statusCode >= 300) {
                     // Server threw an error
+                    log.DEBUG("HTTP Error: ", responseObject);
                     onHttpError(responseObject.statusCode);
                 }
                 

Server/controllers/nodesController.js

@@ -25,7 +25,7 @@ exports.listAllNodes = async (req, res) => {
 
 // Add a new node to the storage
 exports.newNode = async (req, res) => {
-    if (!req.body.name) return res.send(400)
+    if (!req.body.name) return res.status(400).json("No name specified for new node");
 
     try {
         // Try to add the new user with defaults if missing options