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From Denis Magda <dma...@apache.org>
Subject Re: Persistent Store example fails with NPE
Date Fri, 26 May 2017 16:03:51 GMT

The issue vanishes as soon as I add the following to the configuration:

<property name="memoryConfiguration">
    <bean class="org.apache.ignite.configuration.MemoryConfiguration">

My point is that we just need to create a MemoryConfiguration implicitly if it’s not defined
(no any warnings or extra messages). It’s a responsibility of our platform to generate a
default configuration if it’s not set explicitly.


> On May 26, 2017, at 8:46 AM, Sergey Chugunov <sergey.chugunov@gmail.com> wrote:
> Hi Denis,
> What is the expected behavior in that case? Bug doesn't suggest any.
> From my point of view it would be better to throw an exception on startup
> with meaningful message than to silently create a default
> MemoryConfiguration under the cover.
> Thanks,
> Sergey.
> On Fri, May 26, 2017 at 4:00 AM, Denis Magda <dmagda@apache.org> wrote:
>> Igniters,
>> I’ve just added the first Persistent Store example to the branch that
>> fosters the donation:
>> https://github.com/apache/ignite/tree/ignite-5267/
>> examples/src/main/java/org/apache/ignite/examples/persistentstore
>> However, the example fails with an NPE if a MemoryConfiguration is not
>> defined explicitly:
>> https://issues.apache.org/jira/browse/IGNITE-5295
>> Please those who are involved in the store development fix the issue by
>> the end of tomorrow. I want to complete with the technical documentation
>> referring to a workable example.
>> —
>> Denis

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