buildbot failure in on oozie-site-staging

[buildbot]

The Buildbot has detected a new failure on builder oozie-site-staging while 
building . Full details are available at:
    https://ci.apache.org/builders/oozie-site-staging/builds/34

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

Buildslave for this Build: bb-cms-slave

Build Reason: The AnyBranchScheduler scheduler named 'on-oozie-site-commit' 
triggered this build
Build Source Stamp: [branch oozie/site] 1892024
Blamelist: dionusos

BUILD FAILED: failed compile

Sincerely,
 -The Buildbot