When I was making a demo today, it was clear that all the jar packages had arrived, and I could see the package clearly in the library, but the error “Java: The org.springFramework. boot package does not exist “, “I reset the maven source, no, even if I delete the corresponding JAR package in the Maven repository and let it download again, it still does not work. So I opened the previous project, dude, not only the same problem, but also a lot of JAR package conflicts (omitted for Duplicate), Baidu searched around and tried everything but nothing. In desperation, I started to look at which JARS were causing the conflict and then deleted the corresponding dependencies. But after deleting the dependency, the corresponding class can not find ah! I added the dependency back, and now the dependency conflict is fine. So, I deleted the entire
from the POM.xml file, reloaded it, cleared all dependencies, uninstalled it, reloaded it, and resolved the problem… And then MY demo did the same thing, problem solved…
Maven is both love and hate, this small problem of mentality, record, I hope I encounter the same problem in the future, remember that I recorded this blog, also hope that people who encounter the same problem can get the lighthouse guidance hahaha