Yes, you should be fine once you build a jar and include it in a
directory where your GAE app can actually see it.

On Dec 18, 4:48 pm, Chang Luo <chang....@gmail.com> wrote:
> I am working on on a product on GAE, GWT and Android.  It contains a
> server component on GAE and 2 clients on GWT and Android.
>
> I wonder what is the best practice to setup the projects in order to
> reuse as much code as possible.  I google around but couldn't find any
> useful resource.
>
> E.g. I have some entity java classes which is used by both projects.
> These objects needed to be persisted in GAE.  I created a project
> called "core" and a class called "Parent".  Then I referenced the
> "core" project in "GAE" project.  The GAE project compiled fine and it
> runs.  But when the code hit core.Parent it throws an exception
> java.lang.ClassNotFoundException: core.Parent.  I tried to add the
> core project's bin directory in the classpath but it gives out the
> same exception.
>
> Is there an example out there to reference an external project from
> GAE project?  Do I need to build a jar and put it under WEB-INF/lib?
>
> Thanks a lot!

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