Agent端提示：上报信息失败 error reading server preface: http2: frame too large

[ixiongmao]

运行环境

OpenCloudOS 9.2 x86_64

Agent 版本

1.10.0

描述问题

NEZHA@2025-04-10 11:21:24>> 上报系统信息失败: rpc error: code = Unavailable desc = connection error: desc = "error reading server preface: http2: frame too large
NEZHA@2025-04-10 11:21:34>> Try to reconnect ...
NEZHA@2025-04-10 11:21:34>> Connection to xxx:6901 established

复现步骤

proxy_cache_path /www/dk_project/sites/nezha/proxy_cache_dir levels=1:2 keys_zone=nezha_apiwl_com_cache:20m inactive=1d max_size=5g;

upstream nezha-dashboard {
server 127.0.0.1:8008;
keepalive 512;
}

server {
listen 80;
listen 6901;

listen 443 ssl http2;
listen [::]:443 ssl http2;

server_name nezha;
index index.php index.html index.htm default.php default.htm default.html;
root /www/dk_project/wwwroot/nezha;


#CERT-APPLY-CHECK--START
# 用于SSL证书申请时的文件验证相关配置 -- 请勿删除
include /www/server/panel/vhost/nginx/well-known/nezha.conf;
#CERT-APPLY-CHECK--END

#SSL-START SSL相关配置，请勿删除或修改下一行带注释的404规则
#error_page 404/404.html;
ssl_certificate    /www/server/panel/vhost/cert/nezha/fullchain.pem;
ssl_certificate_key    /www/server/panel/vhost/cert/nezha/privkey.pem;
ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3;
ssl_ciphers EECDH+CHACHA20:EECDH+CHACHA20-draft:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
ssl_prefer_server_ciphers on;
ssl_session_tickets on;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
add_header Strict-Transport-Security "max-age=31536000";
error_page 497  https://$host$request_uri;

#SSL-END
#REDIRECT START


#REDIRECT END

#ERROR-PAGE-START  错误页配置，可以注释、删除或修改
error_page 404 /404.html;
#error_page 502 /502.html;
#ERROR-PAGE-END

#PHP-INFO-START  PHP引用配置，可以注释或修改


#PHP-INFO-END

#REWRITE-START URL重写规则引用,修改后将导致面板设置的伪静态规则失效

#REWRITE-END

#IP-RESTRICT-START 限制访问ip的配置，IP黑白名单

#IP-RESTRICT-END

#BASICAUTH START

#BASICAUTH END

#SUB_FILTER START

#SUB_FILTER END

#GZIP START

#GZIP END

#GLOBAL-CACHE START

#GLOBAL-CACHE END

#WEBSOCKET-SUPPORT START
proxy_http_version 1.1;
  proxy_set_header Upgrade $http_upgrade;
  proxy_set_header Connection $connection_upgrade;
#WEBSOCKET-SUPPORT END

#PROXY-CONF-START
location ^~ / {
  
  
  proxy_pass http://127.0.0.1:8008;
  proxy_set_header Host $http_host;
  proxy_set_header X-Real-IP $remote_addr;
  proxy_set_header X-Real-Port $remote_port;
  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  proxy_set_header X-Forwarded-Proto $scheme;
  proxy_set_header X-Forwarded-Host $host;
  proxy_set_header X-Forwarded-Port $server_port;
  proxy_set_header REMOTE-HOST $remote_addr;
  
  
  proxy_connect_timeout 60s;
  proxy_send_timeout 3600s;
  proxy_read_timeout 3600s;
  proxy_buffer_size 128k;
  proxy_buffers 4 256k;
  proxy_busy_buffers_size 256k;
  proxy_max_temp_file_size 0;
  proxy_temp_file_write_size 256k;
  proxy_http_version 1.1;
  proxy_set_header Upgrade $http_upgrade;
  proxy_set_header Connection $connection_upgrade;
  
  
  
  
  
}
#PROXY-CONF-END

#SERVER-BLOCK START
# grpc 相关    
location ^~ /proto.NezhaService/ {
    grpc_set_header Host $host;
    # grpc_set_header nz-realip $remote_addr; # 如果你使用nginx作为最外层，就把上面一行注释掉，启用此行
    grpc_read_timeout 600s;
    grpc_send_timeout 600s;
    grpc_socket_keepalive on;
    client_max_body_size 10m;
    client_body_buffer_size 10m;
    grpc_buffer_size 4m;
    grpc_pass grpc://nezha-dashboard;
}
# websocket 相关
location ~* ^/api/v1/ws/(server|terminal|file)(.*)$ {
    proxy_set_header Host $host;
    # proxy_set_header nz-realip $remote_addr; # 如果你使用nginx作为最外层，就把上面一行注释掉，启用此行
    proxy_set_header Origin https://$host;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    proxy_read_timeout 3600s;
    proxy_send_timeout 3600s;
    proxy_pass http://127.0.0.1:8008;
}
#SERVER-BLOCK END

#禁止访问的文件或目录
location ~ ^/(\.user.ini|\.htaccess|\.git|\.env|\.svn|\.project|LICENSE|README.md)
{
    return 404;
}

#一键申请SSL证书验证目录相关设置
location /.well-known{
    allow all;
}

#禁止在证书验证目录放入敏感文件
if ( $uri ~ "^/\.well-known/.*\.(php|jsp|py|js|css|lua|ts|go|zip|tar\.gz|rar|7z|sql|bak)$" ) {
    return 403;
}

#LOG START

access_log /www/wwwlogs/nezha.log;
error_log /www/wwwlogs/nezha.error.log;
#Monitor-Config-Start 网站监控报表日志发送配置
access_log syslog:server=unix:/tmp/bt-monitor.sock,nohostname,tag=dp6__access monitor;
error_log syslog:server=unix:/tmp/bt-monitor.sock,nohostname,tag=dp6__error;
#Monitor-Config-End
#LOG END

#Monitor-Config-Start 网站监控报表日志发送配置
access_log syslog:server=unix:/tmp/bt-monitor.sock,nohostname,tag=6__access monitor;
error_log syslog:server=unix:/tmp/bt-monitor.sock,nohostname,tag=6__error;
#Monitor-Config-End

}

附加信息

Details

验证

• 我确认这是一个 nezha-agent 的问题。
• 我已经搜索了 Issues，并确认该问题之前没有被反馈过。