Question is a minecraft server plugin Please Use JDK-6 to compile.

1.Finish APIHandler.java

ebean-2.7.3
http://xfl03.github.io/libraries/java/com/avaje/ebean/2.7.3/ebean-2.7.3.jar OR
http://central.maven.org/maven2/org/avaje/ebean/2.7.3/ebean-2.7.3.jar

minecraft_server-1.7.10
http://xfl03.github.io/libraries/java/net/minecraft/minecraft_server/1.7.10/minecraft_server-1.7.10.jar OR
http://s3.amazonaws.com/Minecraft.Download/versions/1.7.10/minecraft_server.1.7.10.jar

cauldron-api-1.7.10-SNAPSHOT
http://xfl03.github.io/libraries/java/org/bukkit/cauldron-api/1.7.10-SNAPSHOT/cauldron-api-1.7.10-SNAPSHOT.jar