google app engine service unavailable

Question

I'm was following http://googcloudlabs.appspot.com/ tutorial to create new Google App Engine project. It throws me an error as per below when I try to run the from my local host, but when I deployed it working fine. (http://mynewcloudcom.appspot.com/). Please help.

HTTP ERROR: 503
Problem accessing /. Reason:
SERVICE_UNAVAILABLE
Powered by Jetty://

Eclipse Console

Mar 05, 2012 10:42:46 AM com.google.apphosting.utils.jetty.JettyLogger info
INFO: Logging to JettyLogger(null) via com.google.apphosting.utils.jetty.JettyLogger
Mar 05, 2012 10:42:46 AM com.google.apphosting.utils.config.AppEngineWebXmlReader readAppEngineWebXml
INFO: Successfully processed C:\Smartag_Eclipse_Project\DontEditProject\war\WEB-INF/appengine-web.xml
Mar 05, 2012 10:42:46 AM com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml
INFO: Successfully processed C:\Smartag_Eclipse_Project\DontEditProject\war\WEB-INF/web.xml
Mar 05, 2012 6:42:48 PM com.google.appengine.tools.development.DevAppServerImpl start
INFO: The server is running at http://localhost:8888/
Mar 05, 2012 6:42:48 PM com.google.appengine.tools.development.DevAppServerImpl start
INFO: The admin console is running at http://localhost:8888/_ah/admin

Answer 1

Found the answer. I need to run in JDK1.6. Once i changed the Java Compiler(right click project -> properties -> Java Compiler -> (Check) Enable project specific settings -> change the Compiler compliance level), its works fine now. Thanks.