Build failed in Jenkins: mesos-reviewbot #14500

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/mesos-reviewbot/14500/>

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[URLTrigger] A change within the response URL invocation (log)
[EnvInject] - Loading node environment variables.
Building remotely on ubuntu-4 (docker Ubuntu ubuntu4 ubuntu yahoo-not-h2) in workspace <https://builds.apache.org/job/mesos-reviewbot/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://git-wip-us.apache.org/repos/asf/mesos.git # timeout=10
Fetching upstream changes from https://git-wip-us.apache.org/repos/asf/mesos.git
 > git --version # timeout=10
 > git -c core.askpass=true fetch --tags --progress https://git-wip-us.apache.org/repos/asf/mesos.git +refs/heads/*:refs/remotes/origin/*
 > git rev-parse origin/master^{commit} # timeout=10
Checking out Revision beda6ffb72687d9f5c23b07552cadf42756bcd75 (origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f beda6ffb72687d9f5c23b07552cadf42756bcd75
 > git rev-list beda6ffb72687d9f5c23b07552cadf42756bcd75 # timeout=10
 > git tag -a -f -m Jenkins Build #14500 jenkins-mesos-reviewbot-14500 # timeout=10
[mesos-reviewbot] $ /bin/bash -xe /tmp/hudson6570454088012930125.sh
+ date
Thu Jul 28 02:38:16 UTC 2016
+ ./support/mesos-style.py
include/mesos/version.hpp:1:  A license header should appear on the file's first line starting with '// Licensed'.: /**
Total errors found: 1
Checking 1017 files
Build step 'Execute shell' marked build as failure

Jenkins build is back to normal : mesos-reviewbot #14501

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/mesos-reviewbot/14501/>