Hi Jens, This is not the best candidate for the first contribution and presently I don’t think that this feature should be supported at all.
I would recommend you picking up one of the tickets with “newbie” filter. https://issues.apache.org/jira/issues/?filter=12338037 <https://issues.apache.org/jira/issues/?filter=12338037> Regards, Denis > On Jul 19, 2016, at 9:00 PM, NoTrueScotsman <no.true.scots...@gmail.com> > wrote: > > It happens when applying ignite.binary().toBinary(m) to a TreeMap<K, > V> with a custom key K. > > I thought this would be a nice task to pick as a first (attempt of a) > contribution, however there is a ticket for this already assigned to > someone: https://issues.apache.org/jira/browse/IGNITE-2852 > > I haven't seen much activity on it though. Would it be possible for me > to pick it? > > Thanks > Jens