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.
There is an issue where the original Kibana index was created without dynamic mapping disabled. This breaks the compatibility fallback. We're currently working on a fix for this you would be able to run. Apologies for any inconvenience.
We upgraded to Elasticsearch and Kibana 5.6.1 and this kind of error continues. Moreover, in the post which you sent me, Benpoizin has the same error (at the end of the post).
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