Error loading relation

[syadlowsky]

Running on postgres, following the spouses example, I get the following

$ mindbender search update
Launching Elasticsearch for http://localhost:9200 from /lfs/local/0/syadlows/spouse_example-0.8-stable/search
Deriving mappings for relations sentences spouses_dbpedia has_spouse articles spouse_feature person_mention spouse_label
Updating mappings for relation sentences
Updating mappings for relation spouses_dbpedia
Updating mappings for relation has_spouse
Updating mappings for relation articles
Updating mappings for relation spouse_feature
Updating mappings for relation person_mention
Updating mappings for relation spouse_label
Indexing relation sentences
server closed the connection unexpectedly
        This probably means the server terminated abnormally
        before or while processing the request.
connection to server was lost
   0  0:00:00 [   0 /s] [>                                                                                                                                                 ]  0%
Error loading relation sentences