Hi all.
I have a ununderstandable issue
I post data from .net application to elasticsearch-cluster.
When i send data it shows like on this screenshot

My index refresh interval is 5s. After refresing works then data shows liken on this screenshot.
Data changes to "null" values
I cant understand why this happen and only change for these 3 fields.

These screenshot is mapping :


This screenshot is .net model :

Can anyone help to me ?
Thanks.