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Address already in use: Service 'SparkUI' failed after 16 retries (starting from 4040)! Consider explicitly setting the appropriate port for the service 'SparkUI' (for example spark.ui.port for Spark.
Caused by: org.apache.spark.SparkException: Job aborted due to stage failure: Task 198 in stage 4.0 failed 4 times, most recent failure: Lost task 198.3 in stage 4.0 (TID 1722, hadoop-slave-17, execu.
在其他设备用docker login *.*.*.*登录Harbor 服务器时，报下面错误：python@job:/lib/systemd/system$ docker login 192.168.0.19Username: <username>Password:Error response from daemon: Get https://192.168.0.19/v...
字符串前加 rr"" 的作用是去除转义字符.即如果是“\n”那么表示一个反斜杠字符，一个字母n，而不是表示换行了。以r开头的字符，常用于正则表达式，对应着re模块。>>> print('hello python \n')hello python>>> print(r'hello python \n')hello python \n>...