nohup: 重定向标准错误到标准输出

解决：

• 增长2>&1
• nohup java -jar ./ai-common-gateway-cas-8480.jar > gateway.log 2>&1 &
• https://www.cnblogs.com/banting/p/4656429.html
• https://blog.csdn.net/meijia_tts/article/details/7739140