【Kibana】es 报错 all shards failed: [search_phase_execution_exception] all shards failed“

1. Background

Error when accessing kibana, all shards failed

{
   
    
    "message":"all shards failed: [search_phase_execution_exception] all shards failed","statusCode":50

The first reaction is whether kibana reported an error. Then check whether kibana reported an error, and found that es reported an error.

Then go to see the fragmentation of es, it should be like this under normal conditions

[roo