buildbot failure in ASF Buildbot on oak-trunk

[buildbot]

The Buildbot has detected a new failure on builder oak-trunk while building ASF 
Buildbot. Full details are available at:
    http://ci.apache.org/builders/oak-trunk/builds/1279

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

Buildslave for this Build: bb-vm_ubuntu

Build Reason: The AnyBranchScheduler scheduler named 'on-oak-commit' triggered 
this build
Build Source Stamp: [branch jackrabbit/oak/trunk] 1673431
Blamelist: angela

BUILD FAILED: failed compile

Sincerely,
 -The Buildbot