在linux下配置完运行是出现ImportError: No module named cryptography.hazmat.bindings.openssl.binding的错误.原因是craptography并没有安装.如果直接安装cryptography时又会出现找不到libffi和cffi文件的错误.表示如果还需要先配置libffi和cffi,需要先配置libffi然后配置cffi. 配置libffi的步骤: ubuntu下通过源码安装的方法: 1.wget ftp://sourcew
按照文档:http://www.micmiu.com/bigdata/hadoop/hadoop2x-eclipse-mapreduce-demo/安装配置好Eclipse后,运行WordCount程序报错: log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory). log4j:WARN Please initialize the log4j
Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x000001C467632378> Traceback (most recent call last): File "E:\pythontest\Shop\venv\lib\site-packages\django\db\backends\mysql\base.py", line 15, in