Intellij idea cannot resolve anything in maven

Question

I\'m new to Intellij Idea, i just import a project with pom.xml, but the ide didn\'t resolve anything in maven dependencies.

Anything defined in p

Answer 1

I have encountered this problem，idea cannot download all dependent jar packages using maven,i just tried the following operations:

 mvn -U idea:idea

then all the dependent jar packages are download from the maven repository