Error example:
: Java Model Status [Cannot nest output folder 'xxx/bin/main' inside output folder 'xxx/bin']
Solution:
Right click on the project -> properties -> java build path -> source
Generally, it is the problem of the red box in the above picture. This has been changed. When the error is reported, it is a folder directory /bin/main that has not been newly created. The solution is shown in the following figure:
The first is to uncheck the allow output folders xxx
The second is not to check, change the default output folder directory to the bin directory
Another reference method:
https://blog.csdn.net/sinat_30397435/article/details/78522566