I downloaded upsource today (2014-12-10), untipped it into c:\Program Files (x86)\Upsource, changed directory into c:\Program Files (x86)\Upsource\bin and tried to start it:
C:\Program Files (x86)\Upsource\bin>upsource.bat start
log4j:WARN No appenders could be found for logger (com.jetbrains.launcher.ep.com
log4j:WARN Please initialize the log4j system properly.
Upsource failed to start.
C:\Program Files (x86)\Upsource\bin>
and it fails to start.
What is the correct way forward?