We're missing some notices / license information from the wikisearch module. See http://s.apache.org/gs for discussion.
kryo is BSD
protobuf is BSD
minlog is BSD
jersey-server is CDDL 1.1 and GPL 2 with CPE
enwiki-20110901-001.xml is selected from a file that is GNU Free Documentation License (GFDL) and the Creative Commons Attribution-Share-Alike 3.0 License
jcommon is GPL, no longer used, and should be removed