If the problem persists, please report your problem and mention this error message and the query that caused it.
The App Engine keeps returning this message. What will fix this?
0.1.0.1 - - [18/Dec/2011:07:00:02 -0800] "GET /admin/maven.jsp HTTP/1.1" 500 0 - "AppEngine-Google; (+http://code.google.com/appengine)" "....appspot.com" ms=2033 cpu_ms=272 api_cpu_ms=0 cpm_usd=0.000031 queue_name=__cron task_name=7a2b9796a3cf39b1b97bbfa58e3cf77e pending_ms=1525 exit_code=109 instance=0
Connection to client lost.