buildbot exception in on camel-site-production

[buildbot]

The Buildbot has detected a build exception on builder camel-site-production 
while building . Full details are available at:
    https://ci.apache.org/builders/camel-site-production/builds/28613

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

Buildslave for this Build: bb-cms-slave

Build Reason: The Nightly scheduler named 'camel-site-production' triggered 
this build
Build Source Stamp: [branch camel/website] HEAD
Blamelist: 

BUILD FAILED: exception compile

Sincerely,
 -The Buildbot