Latest snapshot build doesn't launch anymore

After an update to the latest unstable snapshot build, my openhab doesn’t launch anymore :frowning:

Going to the website doesn’t give me a response.
I’ve already uninstalled, cleaned /var/lib/openhab2, rebooted, …

In the log, I only get this :
USER@SERVER: /var/log/openhab2$ cat openhab.log
Jan 15, 2018 8:57:44 PM org.apache.karaf.main.lock.SimpleFileLock lock
INFO: Trying to lock /var/lib/openhab2/tmp/lock
Jan 15, 2018 8:57:44 PM org.apache.karaf.main.lock.SimpleFileLock lock
INFO: Lock acquired
Jan 15, 2018 8:57:44 PM org.apache.karaf.main.Main$KarafLockCallback lockAquired
INFO: Lock acquired. Setting startlevel to 100

Any Ideas ?