I upgraded the neethi version to 2.0.5, should be OK now.

2011/4/18 <buildbot@apache.org>
The Buildbot has detected a new failure on builder server-trunk while building ASF Buildbot.
Full details are available at:

Buildbot URL: http://ci.apache.org/

Buildslave for this Build: isis_ubuntu

Build Reason: scheduler
Build Source Stamp: [branch geronimo/server/trunk] 1094334
Blamelist: xuhaihong

BUILD FAILED: failed compile

 -The Buildbot