This project is no longer actively developed or maintained.
For new work on this check out java-docs-samples and getting-started-java.
It has 2 web apps each deployed to a different module: guestbook and shardedcounter.
Usage (After changing the app id in the appengine-modules-ear/src/main/application/META-INF/appengine-application.xml):
git clone https://github.com/GoogleCloudPlatform/appengine-modules-sample-java.git
cd appengine-modules-sample-java
mvn install
cd appengine-modules-ear
#to test it locally:
mvn appengine:devserver
#or to deploy it:
mvn appengine:update
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