HI Simon, I' am not using eclipse plugin. I' am using command prompt for everything.
first I registered myself with google app engine and created an application named "babuguestbook". No I changed the application's appengine-web.xml <application>babuguestbook</application> and heres the command I give, (the guestbook application is inside D:\Tools\GoogleAppEngine\appengine-java-sdk-1.4.2\demos\guestbook) D:\Tools\GoogleAppEngine\appengine-java-sdk-1.4.2> bin\appcfg.cmd update demos\guestbook\war and I get the following success logs, Reading application configuration data... Mar 29, 2011 7:24:32 PM com.google.apphosting.utils.config.AppEngineWebXmlReader readAppEngineWebXml INFO: Successfully processed demos/guestbook/war\WEB-INF/appengine-web.xml 2011-03-29 19:24:32.555:INFO::Logging to STDERR via org.mortbay.log.StdErrLog Mar 29, 2011 7:24:32 PM com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml INFO: Successfully processed demos/guestbook/war\WEB-INF/web.xml Beginning server interaction for babuguestbook... 0% Creating staging directory 5% Scanning for jsp files. 8% Compiling jsp files. Mar 29, 2011 7:24:42 PM com.google.apphosting.utils.config.AbstractConfigXmlReader readConfigXml INFO: Successfully processed C:\DOCUME~1\NagarajD\LOCALS~1\Temp\appcfg6718175774315394544.tmp\WEB-INF/web.xml 20% Scanning files on local disk. 25% Initiating update. 28% Cloning 1 static files. 31% Cloning 31 application files. 40% Uploading 1 files. 52% Uploaded 1 files. 61% Initializing precompilation... 68% Precompiling... 8 file(s) left. 73% Precompiling... 6 file(s) left. 77% Precompiling... 3 file(s) left. 80% Precompiling... 2 file(s) left. 90% Deploying new version. 95% Will check again in 1 seconds. 98% Will check again in 2 seconds. 99% Will check again in 4 seconds. 99% Will check again in 8 seconds. 99% Closing update: new version is ready to start serving. 99% Uploading index definitions. Details: Mar 29, 2011 7:24:42 PM org.apache.jasper.JspC processFile INFO: Built File: \guestbook.jsp Update completed successfully. Success. Cleaning up temporary files... Now, assuming that my application got uploaded into Google App Engine I try to access it by, http://babuguestbook.appspot.com/ <http://babuguestbook.appspot.com/%20> And I get the following 500 Server Error. Need help, Thanks, Nagaraj. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.