First show this, but I turned off the firewall, cluster also back, will still appear this problem

The map in the 0% 0% and reduce

And then submitted to the said red rejected the connection

And then run the map and reduce 100% 100%

Finally succeeded, the final file is my desired effect, but I don't understand why these problems, for a great god resolve and tell me where is the problem

CodePudding user response:

Top, someone to help me