1. First of all, confirm whether the Maven and Maven Repository used by IDEA are the repositories you need. If not specified, IDEA will use its own Maven and repository. The FIile – & gt; Setting – & gt; Build, the Excution, Deployment – & gt; Maven View:

2, After switching to the correct Maven and warehouse, if the error is still reported, you can delete the error JAR, and then Reimport (the circular arrow icon in the following figure), let the project to reload the JAR package.