For a long time to solve the problem not to drop, who help me to solve the

CodePudding user response:

Hello, see your mistakes can only know is sparkContext object initialization is not successful, but temporarily unable to determine the root cause,
Can view the https://blog.csdn.net/u010051036/article/details/107017429 blog for troubleshooting and solving,
Of course can also post your running log in detail, I help you further explored,
Feel the help please,