We have a problem after an upgrade from Elasticsearch and Kibana 5.4.2 to 5.6.0. We updated kibana index in order to have compatibility with Elastic 6.x by the new utility in Kibana.
After that, we got the next exception:
[2017-09-21T16:37:07,992][DEBUG][o.e.a.a.i.m.p.TransportPutMappingAction] [name_machine] failed to put mappings on indices [[[.kibana-6/txg1pewhRB-OTDp4_c6Uew]]], type [url]
java.lang.IllegalArgumentException: [url] is defined as a field in mapping [url] but this name is already used for an object in other types
We tried to upgrade 5.6.1 and the same problem happens. Kibana doesn't work however Elastic seems fine.
Thanks in advance