Research on Maven management of Java project pom.xml The jar package error is reported, but the project is running normally

Today, I always make mistakes when building projects. I suspect that there is something wrong with the jar package, so I delete all the jar packages and reload them into the Maven warehouse,

Think very good, but made a mistake! POM file error, how to update all useless, delete jar package reload also can’t.

Finally, in the life and death of the occasion, choose the forced refresh, just like, then remember it!

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