On Wed, Feb 21, 2018 at 12:10 AM, Nikolay Izhikov <nizhi...@apache.org>
wrote:

> Hello, Igniters.
>
> > Does this exception happen because IgniteUuid class is not correctly
> > handled?
>
> Yes. I've fixed it.
> But story doesn't end :)
>
> > As far as propagating exceptions, addData(...) is asynchronous operation
> > and returns IgniteFuture.
>
> Thank you, my bad.
>
> But, I can't understand when returned future should complete?
>
> Javadocs or documentation doesn't explain it.
> Also, I can't find any tests that checks future returned from addData.
>
> Can someone explan it to me?
>

The returned future should complete either when the data is successfully
stored in cache, or whenever the failure occurs.

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