1. Errors and reasons
Reason : When packaging, you need to set the test to Toggle 'Skip Tests' Mode , that is, when maven builds , the test does not need to be set in, and it is directly set to ignore it.
Two, the solution process
Click maven - Lifeycle - click to select test - click Toggle 'Skip Tests' Mode
After install - SUCCESS - BUILD SUCCESS:
Select in turn, and the target folder will be opened in the file manager. Enter the target folder and you can see the jar generated by the install just now.
