refs #5368 Minor changes

config.yml

@@ -2,7 +2,7 @@ debug: false
 log: true
 dryPrint: false
 keepFile: false
-serverId: 1
+serverId: null
 concurrency: 4
 reconnectTimeout: 10
 refreshRate: 1000

print-server.js

@@ -262,10 +262,13 @@ class PrintServer {
 								break;
 							default:
 								try {
+									if (err.code === 'ERR_BAD_REQUEST') {
 										const resMessage = JSON.parse(res.data).error.message;
 										const resErr = new Error(`${err.message}: ${resMessage}`);
 										resErr.stack = err.stack;
 										throw resErr;
+									} else
+										throw err;
 								} catch (err) {
 									throw err;
 								}