Denis, I see from example that you're trying to start a client node with persistence configuration specified and you're saying that Ignite must provide default MemoryConfiguration.
But that contradicts with decision we all agreed on in the discussion[1]: if user wants to do something unusual on client nodes like storing cache partitions (or in this case persisting stuff) he/she *must *provide all necessary configuration explicitly. Server node with the same persistence configuration (and without explicit memory configuration) starts just fine. [1] http://apache-ignite-developers.2346864.n4.nabble.com/Question-local-cache-on-client-nodes-tt15950.html Thanks, Sergey. On Fri, May 26, 2017 at 7:03 PM, Denis Magda <dma...@apache.org> wrote: > Sergey, > > The issue vanishes as soon as I add the following to the configuration: > > <property name="memoryConfiguration"> > <bean class="org.apache.ignite.configuration.MemoryConfiguration"> > </bean> > </property> > > 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. > > — > Denis > > > On May 26, 2017, at 8:46 AM, Sergey Chugunov <sergey.chugu...@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 <dma...@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 > >