add more debugging logs

lib/Client.js

@@ -55,7 +55,7 @@ class Client extends EventEmitter {
         this.emit('close');
     }
 
-    handleRequest(req, res) {
+    handleRequest(req, res, retry = true) {
         this.debug('> %s', req.url);
         const opt = {
             path: req.url,
@@ -74,6 +74,7 @@ class Client extends EventEmitter {
             pump(clientRes, res, (err) => {
                 if (err) {
                     this.debug('> PIPE ERROR, %s', err);
+                    this.debug(err);
                 }
             });
         });
@@ -83,14 +84,21 @@ class Client extends EventEmitter {
         // if we have already sent headers?
         clientReq.once('error', (err) => {
             // TODO(roman): if headers not sent - respond with gateway unavailable
-            this.debug('ERROR < %s', req.url);
+            this.debug(' < ERROR %s', req.url);
             this.debug(err);
+            this.debug(JSON.stringify( err ));
+
+            if (retry) {
+                this.debug('< RETRY');
+                this.handleRequest( req, res, false);
+            }
         });
 
         // using pump is deliberate - see the pump docs for why
         pump(req, clientReq, (err) => {
             if (err) {
                 this.debug('< PIPE ERROR, %s', err);
+                this.debug(err);
             }
         });
     }

server.js

@@ -143,6 +143,7 @@ export default function(opt) {
         const clientId = GetClientIdFromHostname(hostname);
         if (!clientId) {
             appCallback(req, res);
+             debug('ClientID for host %s was not found :(', hostname);
             return;
         }