The latest releases (from 1.389 on [1]) have no sources and Javadocs attached in the Maven repository.
The last version which had sources and Javadocs attached in the Maven repository was 1.388 ([2]).

This makes developing plugins in M2Eclipse unnecessarily cumbersome.

Please fix the build to attach sources and Javadocs again.

[1] http://maven.glassfish.org/content/groups/public/org/jvnet/hudson/main/hudson-core/1.389/
[2] http://maven.glassfish.org/content/groups/public/org/jvnet/hudson/main/hudson-core/1.388/