Elasticsearch::Transport::Transport::Errors::BadRequest too_long_frame_exception An HTTP line is ...

看到这个，我首先想到去压缩 filter 参数，找到压缩方法：

# aka compress
def deflate(str, level)
  z = Zlib::Deflate.new(level)
  dst = z.deflate(str, Zlib::FINISH)
  z.close
  dst
end


# aka decompress
def inflate(str)
  zstream = Zlib::Inflate.new
  buf = zstream.inflate(str)
  zstream.finish
  zstream.close
  buf
end

处理参数后，尝试，错误还是发生。

然后更改 nginx.conf 修改 nginx 配置，也是为了压缩，

gzip on; 
gzip_proxied any;
gzip_comp_level 2; # 压缩等级
gzip_min_length  1100;
gzip_types text/plain text/css application/javascript application/xml application/json text/javascript application/x-javascript;

重启 nginx，错误还是发生。

最后通过修改配置文件 sudo vim /etc/elasticsearch/elasticsearch.yml 解决问题。

http.max_initial_line_length: "8k" #default 4k
http.max_header_size: "16k" # default 8k