節點紅不啓動

Question

我試圖啓動「節點紅」上BeagleboneBlack，但應用程序只返回此錯誤：

24 May 20:15:53 - [info] Node-RED version: v0.16.2 
24 May 20:15:53 - [info] Node.js version: v4.8.0 
24 May 20:15:53 - [info] Linux 4.4.54-ti-r93 arm LE 
24 May 20:15:56 - [info] Loading palette nodes 
24 May 20:16:14 - [warn] ---------------------------------------------------   
--- 
24 May 20:16:14 - [warn] [rpi-gpio] Info : Ignoring Raspberry Pi specific 
node 
24 May 20:16:14 - [warn] [upm-grove-button] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-buzzer] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-led] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-light] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-relay] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-rgb-lcd] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-rotary] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-sound] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-temperature] Error: Module version 
mismatch. Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-adxl345] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] [upm-grove-servo] Error: Module version mismatch. 
Expected 46, got 14. 
24 May 20:16:14 - [warn] --------------------------------------------------- 
--- 
24 May 20:16:14 - [info] Settings file : /root/.node-red/settings.js 
24 May 20:16:14 - [info] User directory : /root/.node-red 
24 May 20:16:14 - [info] Flows file  : /root/.node- 
red/flows_beaglebone.json 
24 May 20:16:14 - [info] Creating new flow file 
24 May 20:16:14 - [info] Starting flows 
24 May 20:16:15 - [info] Started flows 
24 May 20:16:15 - [warn] Communication server error: Error: listen 
EADDRINUSE 0.0.0.0:1880 
24 May 20:16:15 - [error] Unable to listen on http://127.0.0.1:1880/ 
24 May 20:16:15 - [error] Error: port in use 

我已經嘗試重新安裝包，但錯誤依然存在。請幫忙。由於

Answer 1

的Error: port in use錯誤表明您已經使用端口1880

很可能你已經在你的BeagleBoneBlack節點RED運行的進程。您可以通過運行檢查：這取決於它是如何運行

ps -ef | grep node-red 

或

ps -ef | grep red.js 

。輸出將顯示是否已經有節點紅色進程在運行。

你如何阻止它將取決於它如何運行。檢查文檔以查看它是如何設置爲自動運行的。