阿里云ELK报错:"reason": "Fielddata is disabled on text fields by default. Set fielddata=true on [url_date] in order to load fielddata in memory by uninverting the inverted index.

原因是url_date这个字段类型动态转成了text类型，只需要把在kibana索引管理，索引模板添加url_date字段为date类型就可以了，把旧的索引删除，新生成的索引就沿着这个模板