1. Create cron.xml and put it on src/main/webapp/WEB-INF: <? xml version = "1.0" encoding = "UTF-8" ?> <cronentries> <cron> <url> /tasks/summary </url> <target> beta </target> <description> daily summary job </description> <schedule> every 24 hours </schedule> </cron> </cronentries> 2. And change pom.xml to: <plugin> <groupId>com.google.cloud.tools</groupId> <artifactId>appengine-maven-plugin</artifactId> <version>${appengine.maven.plugin.version}</version> <configuration> <deployables> <param>target/appengine-staging/WEB-INF/appengine-generated/cron.yaml</param> </deployables> ...