m2e lifecycle-mapping
https://bugs.eclipse.org/bugs/show_bug.cgi?id=367870

[WARNING] The POM for org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 is
missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for
org.eclipse.m2e:lifecycle-mapping:1.0.0: Plugin
org.eclipse.m2e:lifecycle-mapping:1.0.0 or one of its dependencies could
not be resolved: Cannot access central
(http://repo.maven.apache.org/maven2) in offline mode and the artifact
org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 has not been downloaded from
it before.