Can you post test cases that produce non-deterministic behavior? If this is
reproducible, please create an issue with the entities and test cases in
question and let us know:

http://code.google.com/p/googleappengine/issues/

On Tue, Feb 2, 2010 at 6:48 AM, Markus Scheidgen <
markus.scheid...@googlemail.com> wrote:

> Hi,
>
> I use junit to unit test my app according to the "Unit Testing With
> Local Service Implementations" tutorial. Once I use owned
> relationships within my data-model, the datastore sometimes behaves
> unexpected. Objects and links stored in the datastore, sometimes can
> not be read from the data store. The data store behaves as if those
> objects or links have never been stored. In some runs everything
> behaves like it ought to be, in other runs it doesn't. Especially when
> I use the eclipse debug mode, the test-cases often have different
> outcomes than running them without a debugger.
>
> What troubles me the most, is the non-deterministic scheme. Sometimes
> it works, sometimes it doesn't.
>
> So far, I only had this during unit testing. When using the
> development server or the cloud, everything worked out as it should.
>
> Does anybody had experienced something similar? Any hind? Maybe there
> is some common pit-fall in using the jdo data store or owned
> relationships (even though I use it along the documentation and
> tutorials).
>
> Thanks,
> Markus
>
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-- 
Ikai Lan
Developer Programs Engineer, Google App Engine
http://googleappengine.blogspot.com | http://twitter.com/app_engine

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