cannot import com.avaje.ebean.Model for Playframework

Question

I worked before with Playframework 2.1.2. Now I tried to work with the latest version. I tried to import the play.db.ebean.Model like in 2.1.2 but it didn't work. Then I found that this was replaced by com.avaje.ebean.Model. But in the jdk 1.8.0_45 there is no package com.avaje...

I believe that I have made an absolute stupid mistake but I can't see it... How do I set up Play to work with Ebean?

Thanks

Answer 1

Ok, you are using Play 2.4.6. Did you read the JavaEbean documentation? The docs are pretty clear in my opinion.

Steps:

To enable it, add the Play Ebean plugin to your SBT plugins in project/plugins.sbt:

addSbtPlugin("com.typesafe.sbt" % "sbt-play-ebean" % "1.0.0")

And then modify your build.sbt to enable the Play Ebean plugin:

lazy val myProject = (project in file(".")).enablePlugins(PlayJava, PlayEbean)

Specify where your models live in the application.conf:

ebean.default = ["models.*"]

After this run a ./activator clean run. This will update and download all needed dependencies including Ebean dependencies!

After that create your model like:

package models;

import java.util.*;
import javax.persistence.*;

import com.avaje.ebean.Model;
import play.data.format.*;
import play.data.validation.*;

@Entity
public class Task extends Model {

    @Id
    @Constraints.Min(10)
    public Long id;

    @Constraints.Required
    public String name;

    public boolean done;

    @Formats.DateTime(pattern="dd/MM/yyyy")
    public Date dueDate = new Date();

    public static Finder<Long, Task> find = new Finder<Long,Task>(Task.class);

}

Answer 2

I had the same problem and was absolutely racking my brain for hours! I followed the documentation carefully and then tried a bunch of different combinations that didn't work. Anyway...

If you're using Eclipse (I'm just assuming), try running activator eclipse on the command line. It will add the play-ebean.jar to .classpath so Eclipse knows where it is. Then, make sure you refresh the project in Eclipse. play-ebean.jar should appear under Referenced Libraries and you'll be able to import com.avaje.ebean.* into your model classes.