--- /dev/null
+> Content-Type header [application\/x-www-form-urlencoded] is not supported\r
+\r
+ https://www.elastic.co/blog/strict-content-type-checking-for-elasticsearch-rest-requests\r
+\r
+No handler for type [string] declared on field [h1]\r
+ https://stackoverflow.com/questions/47452770/no-handler-for-type-string-declared-on-field-name\r
+\r
+Could not convert [language.index] to boolean\r
+ https://www.elastic.co/guide/en/elasticsearch/reference/5.0/breaking_50_mapping_changes.html#breaking_50_mapping_changes\r
+ https://www.elastic.co/blog/strings-are-dead-long-live-strings\r
+\r
+pre_tags are set but post_tags are not set\r
+ \r
+\r
+Fielddata is disabled on text fields by default. Set fielddata=true on [tags] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.\r