How to find a Maven dependency version declaration imported from a BOM

Question

A multi-module parent POM declares the following BOM import:

  
    
      io.s         


        

Answer 1

mvn help:effective-pom -Dverbose=true gives the information of location of pom from where an entry comes in effective pom in comment. reference: http://maven.apache.org/plugins/maven-help-plugin/effective-pom-mojo.html