I know this is an old thread, but i have been having this problem for several hours today. have not tried disabling precompilation yet.
here's my output transcript:
Application: **** version: 0-20110224e.
Server:
appengine.google.com.
Scanning files on local disk.
Scanned 500 files.
Initiating update.
Password for ****:
Cloning 236 static files.
Cloned 100 files.
Cloned 200 files.
Cloning 502 application files.
Cloned 100 files.
Cloned 200 files.
Cloned 300 files.
Cloned 400 files.
Cloned 500 files.
Precompilation starting.
Rolling back the update.
Error 503: --- begin server output ---
Try Again (503)
An unexpected failure has occurred. Please try again.
--- end server output ---
is there logging somewhere else that i can look at to see what is amuck?
thanks,
christian