error when idea run:
Error running ‘JeecgSystemApplication’: Command line is too long. Shorten command line for JeecgSystemApplication or also for Spring Boot default configuration?”
Shorten command line and select
JAR manifest in the drop-down list
Run operation cannot be performed after importing the project, which may be caused by the idea that did not help download the dependencies. Click
Maven on the right side of the idea, click the button below to update the project dependencies again, and you will see the "Run" button appears .