Hi Shay, We are encountering this Reducesearchphaseexception for a long period, when we use the search type dfs_query_then_fetch. We are waiting for this to be fixed ASAP. We have requested for a fix in the earlier thread http://elasticsearch-users.115913.n3.nabble.com/quot-dfs-query-then-fetch-qu…

Reducesearchphaseexception raised when using dfs query then fetch

Topic		Replies	Views
"dfs_query_then_fetch" search type returns Error Elasticsearch	12	644	July 6, 2017
A known working ES 9.0 query may sometimes produce a ReduceSearchPhaseException Elasticsearch	13	479	July 6, 2017
SearchContextMissingException Elasticsearch	1	240	July 6, 2017
A previously working ES 9.0 query may sometimes produce a ReduceSearchPhaseException after adding new data Elasticsearch	2	313	July 6, 2017
SearchPhaseController - NullPointerException Elasticsearch	8	875	July 6, 2017