The idea on the right side of the maven - & gt; Dependencies on many red wavy lines, after carefully at all dependent jar conflicts, but before all have no, suddenly a huge red, tried baidu a lot of methods, such as delete, restart the idea, have no effect,
The most don't understand is, for instance slf4j package, has been in pom. Introduced in XML, but other packages depend on slf4j, also displays the conflict, according to the principle of path first maven, you should use my introduction, other packages depend on should not be used,