You Deploy Your Custom Java Application to Google App Engine

Multiple Choice

You deploy your custom Java application to Google App Engine. It fails to deploy and gives you the following stack trace. What should you do?

A) Upload missing JAR files and redeploy your application.
B) Digitally sign all of your JAR files and redeploy your application
C) Recompile the CLoakedServlet class using and MD5 hash instead of SHA1