具体报错信息如下：

{
  "error": {
    "reason": "Error occurred in Elasticsearch engine: all shards failed",
    "details": """Shard[0]: [2022/N0zTB2l7SiS4W1lvCNAsBg] QueryShardException[failed to create query: maxClauseCount is set to 1024]; nested: TooManyClauses[maxClauseCount is set to 1024];

For more details, please send request for Json format to see the raw response from elasticsearch engine.""",
    "type": "SearchPhaseExecutionException"
  },
  "status": 400
}

原因：查询请求内容过长报错；

解决：

1）编辑ES的配置文件Elasticsearch.yml，添加：indices.query.bool.max_clause_count: 10240；

        注：yml 语法，：冒号后面有空格。

2）重启ES生效：./bin/elasticsearch -d；