[Espressomd-maintainer] Build failed in Jenkins: ESPResSo #284

[olenz]

See <http://espressomd.org/jenkins/job/ESPResSo/284/>

------------------------------------------
Started by user olenz
Building remotely on nana
Checkout:ESPResSo / <http://espressomd.org/jenkins/job/ESPResSo/ws/> - 
address@hidden:nana
Using strategy: Default
Last Built Revision: Revision a0111403817915981e88f8306158865e2d6bff62 
(origin/switchable-rotation)
Checkout:ESPResSo / <http://espressomd.org/jenkins/job/ESPResSo/ws/> - 
address@hidden
Pruning obsolete local branches
Fetching changes from the remote Git repository
Fetching upstream changes from git://github.com/espressomd/espresso.git
Fetching upstream changes from ssh://address@hidden/srv/git/espressomd.git
Seen branch in repository savannah/master
Seen branch in repository origin/master
Seen branch in repository origin/3.0
Commencing build of Revision a0111403817915981e88f8306158865e2d6bff62 
(origin/switchable-rotation)
Checking out Revision a0111403817915981e88f8306158865e2d6bff62 
(origin/switchable-rotation)
Cleaning workspace
FATAL: Could not checkout null with start point 
a0111403817915981e88f8306158865e2d6bff62
hudson.plugins.git.GitException: Could not checkout null with start point 
a0111403817915981e88f8306158865e2d6bff62
        at hudson.plugins.git.GitAPI.checkoutBranch(GitAPI.java:778)
        at hudson.plugins.git.GitSCM$4.invoke(GitSCM.java:1034)
        at hudson.plugins.git.GitSCM$4.invoke(GitSCM.java:1020)
        at hudson.FilePath$FileCallableWrapper.call(FilePath.java:1944)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:270)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:636)
Caused by: hudson.plugins.git.GitException: Error performing command: 
/usr/bin/git checkout -f a0111403817915981e88f8306158865e2d6bff62
Command "/usr/bin/git checkout -f a0111403817915981e88f8306158865e2d6bff62" 
returned status code 128: fatal: reference is not a tree: 
a0111403817915981e88f8306158865e2d6bff62

        at hudson.plugins.git.GitAPI.launchCommandIn(GitAPI.java:691)
        at hudson.plugins.git.GitAPI.launchCommand(GitAPI.java:656)
        at hudson.plugins.git.GitAPI.launchCommand(GitAPI.java:666)
        at hudson.plugins.git.GitAPI.checkoutBranch(GitAPI.java:765)
        ... 12 more
Caused by: hudson.plugins.git.GitException: Command "/usr/bin/git checkout -f 
a0111403817915981e88f8306158865e2d6bff62" returned status code 128: fatal: 
reference is not a tree: a0111403817915981e88f8306158865e2d6bff62

        at hudson.plugins.git.GitAPI.launchCommandIn(GitAPI.java:686)
        ... 15 more