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Java连接RabbitMQ报错：An unexpected connection driver error occured（偶尔能连上）

1、查看 rabbitMq 的状态。 输入命令：rabbitmqctl status，发现没有报错，但是 rabbit 中的 host 是 root ，并不是 ip 地址，所以连接不上。 2、运行命令：echo 【ip地址】root >> /etc/hosts。 将 RabbitMQ 服务所在的 I ......
unexpected connection RabbitMQ occured driver

Error occurred shutting down framework: java.lang.NumberFormatException: null（已解决）

今天在开启Nexus时报错：Error occurred shutting down framework: java.lang.NumberFormatException: null，如下图所示： 考虑到可能是路径中的中文所致，于是将文件夹移到英文目录，问题迎刃而解（以后安装路径中不要有中文） ......
NumberFormatException framework occurred shutting Error

Error occurred while running `from pyglet.gl import *`HINT: make sure you have OpenGL install. On Ubuntu, you can run 'apt-get install python-opengl'.

安装mujoco后运行可视化界面代码报错： Error occurred while running `from pyglet.gl import *`HINT: make sure you have OpenGL install. On Ubuntu, you can run 'apt-get i ......
install python-opengl you occurred apt-get

Angular Generating browser application bundles (phase: setup)...An unhandled exception occurred: webpack_1.AngularWebpackPlugin is not a constructor

PS F:\WorkGitHub\angulard3tree> ng serve⠋ Generating browser application bundles (phase: setup)...An unhandled exception occurred: webpack_1.AngularWe ......
AngularWebpackPlugin application constructor Generating exception
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