A required class was missing while executing org.apache.maven.plugins:maven-war-plugin:2.1.1:war

Question

Here is my clean install -x result:

[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] --         


        

Answer 1

Try to delete the maven folder at ~/.m2/repository/org/apache/maven and build your project again to force the maven libraries be downloaded. This worked for me the last time I faced this java.lang.NoClassDefFoundError: org/apache/maven/shared/filtering/MavenFilteringException.