版本都是7.6.2
kibana服务器重启后启动服务的时候有报错出现如下类似信息
Unable to connect to Elasticsearch. Error: [search_phase_execution_exception] all shards failed
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解决办法:删除es中kibana的索引
1、删除.kibana_task_manager_1索引
#es有密码验证
curl --user elastic:123456 -XDELETE http://127.0.0.1:9200/.kibana_task_manager_1
#es无密码验证
curl -XDELETE http://127.0.0.1:9200/.kibana_task_manager_1
2、删除.kibana索引
#es有密码验证
curl --user elastic:123456 -X DELETE http://127.0.0.1:9200/.kibana*
#es无密码验证
curl -X DELETE http://127.0.0.1:9200/.kibana*
重启kibana解决