同步失败 8810 deny connection from该怎么办,很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。发现法xxx
同步失败 8810 deny connection from该怎么办,很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
发现法xxx.xxx.254.45,没有同步拉取到其他点的数据,查看同步的日志,一直显示被其他节点拒绝的状态,拒绝说明是权限没有通过
May 17 13:22:10 warning db_sync_short_video_oss_r2m0_d[]: [tid:137732] [SocketServer::OnAccept] deny connection from: xxx.xxx.125.2:53316
May 17 13:22:20 warning db_sync_short_video_oss_r2m0_d[]: [tid:137739] [SocketServer::OnAccept] deny connection from: xxx.xxx.125.2:53318
May 17 13:22:31 warning db_sync_short_video_oss_r2m0_d[]: [tid:137746] [SocketServer::OnAccept] deny connection from: xxx.xxx.125.2:53320
May 17 13:22:41 warning db_sync_short_video_oss_r2m0_d[]: [tid:137752] [SocketServer::OnAccept] deny connection from: xxx.xxx.125.2:53322
目标机器已经开通了防火墙和白名单了,在xxx.xxx.125.2机器上,使用netstat已经看到了建立了连接,说明防火墙已经开放了端口了
tcp 0 0 xxx.xxx.125.2:12505 xxx.xxx.254.45:41734 ESTABLISHED 48767/./db_sync_sho
重启xxx.xxx.254.45的4455,看到报错
May 17 13:36:43 info shardadmin_short_video_oss_20_d[138429]: HAVE_EPOLL
May 17 13:36:43 debug shardadmin_short_video_oss_20_d[138429]: output queue ok
May 17 13:36:43 debug shardadmin_short_video_oss_20_d[138429]: output queue ok
May 17 13:36:43 err shardadmin_short_video_oss_20_d[138429]: Connect to db failed:[admin|SXobJfaXm4|xxx.xxx.254.45||8810] Lost connection to Mysql server at 'reading initial communication packet', system error: 0
May 17 13:36:43 info shardadmin_short_video_oss_20_d[138429]: create listen port 4455 success
May 17 13:36:43 info shardadmin_short_video_oss_20_d[138429]: server start, epoll_prt=0x1335000
May 17 13:36:53 notice shardadmin_short_video_oss_20_d[138429]: request:0 proc:0 droped:0 active:0
May 17 13:37:03 notice shardadmin_short_video_oss_20_d[138429]: request:0 proc:0 droped:0 active:0
连接不上8810的DB是正常的,因为同步还没有开启,如果不启动shard8821到8827,启动myshardmin会报如下错误
May 17 14:27:31 info shardadmin_short_video_oss_20_d[141736]: HAVE_EPOLL
May 17 14:27:31 debug shardadmin_short_video_oss_20_d[141736]: output queue ok
May 17 14:27:31 debug shardadmin_short_video_oss_20_d[141736]: output queue ok
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|45.124.254.45||8810] Lost connection to mysql server at 'reading initial communication packet', system error: 111
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|127.0.0.1||8810] Lost connection to Mysql server at 'reading initial communication packet', system error: 111
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|127.0.0.1||8821] Lost connection to MySQL server at 'reading initial communication packet', system error: 111
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|127.0.0.1||8822] Lost connection to MySQL server at 'reading initial communication packet', system error: 111
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|127.0.0.1||8823] Lost connection to MySQL server at 'reading initial communication packet', system error: 111
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|127.0.0.1||8824] Lost connection to MySQL server at 'reading initial communication packet', system error: 111
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|127.0.0.1||8825] Lost connection to MySQL server at 'reading initial communication packet', system error: 111
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|127.0.0.1||8826] Lost connection to MySQL server at 'reading initial communication packet', system error: 111
May 17 14:27:31 err shardadmin_short_video_oss_20_d[141736]: Connect to db failed:[admin|SXobJfaXm4|127.0.0.1||8827] Lost connection to MySQL server at 'reading initial communication packet', system error: 111
May 17 14:27:31 warning shardadmin_short_video_oss_20_d[141736]: connect sync_server 45.124.254.45:12505 failed, [ShardAdminConfig2.cpp#81]
May 17 14:27:31 info shardadmin_short_video_oss_20_d[141736]: create listen port 4455 success
May 17 14:27:31 info shardadmin_short_video_oss_20_d[141736]: server start, epoll_prt=0x119b000
它把8821-8827的proxy当做是一个db来连接了,因为还真有可能不同端口对应不同的DB
后来4455的管理端口登录不上去了,报错没有权限
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
May 17 14:12:01 warning shardadmin_short_video_oss_20_d[139578]: deny connection from :127.0.0.1
怎样都连接不上
[root@localhost bin]# mysql -h0 -umyshard -pmyshard -P4455
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
[root@localhost bin]# mysql -h227.0.0.1 -umyshard -pmyshard -P4455
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
[root@localhost bin]# mysql -h227.0.0.1 -uadmin -padmin -P4455
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
[root@localhost bin]# mysql -h227.0.0.1 -uadmin -pSXobJfaXm4 -P4455
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
还有跟白名单有关系
mysql> select * from myshard_redip_list;
+-----------------+-----------------+---------------+
| busi_name | Machine_room_no | ip |
+-----------------+-----------------+---------------+
| short_video_oss | 2 | xxx.xxx.252.45 |
+-----------------+-----------------+---------------+
发现白名单没有加上,于是改成自己的IP,再次重启shardadmin之后就能够顺利登陆了
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