如何修复MySQL错误 - ER_SYNC_SLAVE_SKIP_COUNTER_EXECUTED

MySQL是一种常用的关系型数据库管理系统，广泛应用于各种Web应用程序和服务器。然而，有时候在使用MySQL时会遇到一些错误。本文将介绍如何修复MySQL错误 - ER_SYNC_SLAVE_SKIP_COUNTER_EXECUTED。

错误描述

ER_SYNC_SLAVE_SKIP_COUNTER_EXECUTED是MySQL中的一个错误代码，表示在执行跳过复制计数器操作时发生了错误。这通常发生在主从复制中，当主服务器上的数据与从服务器上的数据不一致时。

修复步骤

以下是修复MySQL错误 - ER_SYNC_SLAVE_SKIP_COUNTER_EXECUTED的步骤：

1. 首先，登录到MySQL服务器。
2. 运行以下命令来查看当前的复制状态：

SHOW SLAVE STATUSG;

3. 在输出中，查找"Last_Errno"字段的值。如果该值为ER_SYNC_SLAVE_SKIP_COUNTER_EXECUTED，则表示发生了该错误。
4. 运行以下命令来停止从服务器的复制进程：

STOP SLAVE;

5. 运行以下命令来跳过错误并继续复制进程：

SET GLOBAL SQL_SLAVE_SKIP_COUNTER = 1;

6. 运行以下命令来启动从服务器的复制进程：

START SLAVE;

7. 再次运行以下命令来查看复制状态，确保错误已修复：

SHOW SLAVE STATUSG;

示例

以下是一个示例，演示如何修复MySQL错误 - ER_SYNC_SLAVE_SKIP_COUNTER_EXECUTED：

mysql> SHOW SLAVE STATUSG;
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event
                  Master_Host: 192.168.1.100
                  Master_User: replication_user
                  Master_Port: 3306
                Connect_Retry: 60
              Master_Log_File: mysql-bin.000001
          Read_Master_Log_Pos: 123456789
               Relay_Log_File: relay-bin.000001
                Relay_Log_Pos: 123456789
        Relay_Master_Log_File: mysql-bin.000001
             Slave_IO_Running: Yes
            Slave_SQL_Running: No
              Replicate_Do_DB:
          Replicate_Ignore_DB:
           Replicate_Do_Table:
       Replicate_Ignore_Table:
      Replicate_Wild_Do_Table:
  Replicate_Wild_Ignore_Table:
                   Last_Errno: 1594
                   Last_Error: Error executing row event: 'Slave can not handle replication events with the checksum that master is configured to log; the first event 'mysql-bin.000001' at 123456789, the last event read from './mysql-bin.000001' at 123456789, the last byte read from './mysql-bin.000001' at 123456789.' - skipping the next event
                 Skip_Counter: 0
          Exec_Master_Log_Pos: 123456789
              Relay_Log_Space: 123456789
              Until_Condition: None
               Until_Log_File:
                Until_Log_Pos: 0
           Master_SSL_Allowed: No
           Master_SSL_CA_File:
           Master_SSL_CA_Path:
              Master_SSL_Cert:
            Master_SSL_Cipher:
               Master_SSL_Key:
        Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 0
                Last_IO_Error:
               Last_SQL_Errno: 1594
               Last_SQL_Error: Error executing row event: 'Slave can not handle replication events with the checksum that master is configured to log; the first event 'mysql-bin.000001' at 123456789, the last event read from './mysql-bin.000001' at 123456789, the last byte read from './mysql-bin.000001' at 123456789.' - skipping the next event
  Replicate_Ignore_Server_Ids:
             Master_Server_Id: 1
                  Master_UUID: 12345678-1234-1234-1234-123456789012
             Master_Info_File: /var/lib/mysql/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State:
           Master_Retry_Count: 86400
                  Master_Bind:
      Last_IO_Error_Timestamp:
     Last_SQL_Error_Timestamp:
               Master_SSL_Crl:
           Master_SSL_Crlpath:
           Retrieved_Gtid_Set:
            Executed_Gtid_Set:
                Auto_Position: 0
         Replicate_Rewrite_DB:
                 Channel_Name:
           Master_TLS_Version:
       Master_public_key_path:
        Get_master_public_key: 0
            Network_Namespace:
1 row in set (0.00 sec)

mysql> STOP SLAVE;
Query OK, 0 rows affected (0.00 sec)

mysql> SET GLOBAL SQL_SLAVE_SKIP_COUNTER = 1;
Query OK, 0 rows affected (0.00 sec)

mysql> START SLAVE;
Query OK, 0 rows affected (0.00 sec)

mysql> SHOW SLAVE STATUSG;
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event
                  Master_Host: 192.168.1.100
                  Master_User: replication_user
                  Master_Port: 3306
                Connect_Retry: 60
              Master_Log_File: mysql-bin.000001
          Read_Master_Log_Pos: 123456789
               Relay_Log_File: relay-bin.000001
                Relay_Log_Pos: 123456789
        Relay_Master_Log_File: mysql-bin.000001
             Slave_IO_Running: Yes
            Slave_SQL_Running: Yes
              Replicate_Do_DB:
          Replicate_Ignore_DB:
           Replicate_Do_Table:
       Replicate_Ignore_Table:
      Replicate_Wild_Do_Table:
  Replicate_Wild_Ignore_Table:
                   Last_Errno: 0
                   Last_Error:
                 Skip_Counter: 1
          Exec_Master_Log_Pos: 123456789
              Relay_Log_Space: 123456789
              Until_Condition: None
               Until_Log_File:
                Until_Log_Pos: 0
           Master_SSL_Allowed: No
           Master_SSL_CA_File:
           Master_SSL_CA_Path:
              Master_SSL_Cert:
            Master_SSL_Cipher:
               Master_SSL_Key:
        Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 0
                Last_IO_Error:
               Last_SQL_Errno: 0
               Last_SQL_Error:
  Replicate_Ignore_Server_Ids:
             Master_Server_Id: 1
                  Master_UUID: 12345678-1234-1234-1234-123456789012
             Master_Info_File: /var/lib/mysql/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State:
           Master_Retry_Count: 86400
                  Master_Bind:
      Last_IO_Error_Timestamp:
     Last_SQL_Error_Timestamp:
               Master_SSL_Crl:
           Master_SSL_Crlpath:
           Retrieved_Gtid_Set:
            Executed_Gtid_Set:
                Auto_Position: 0
         Replicate_Rewrite_DB:
                 Channel_Name:
           Master_TLS_Version:
       Master_public_key_path:
        Get_master_public_key: 0
            Network_Namespace:
1 row in set (0.00 sec)

总结

通过以上步骤，您可以修复MySQL错误 - ER_SYNC_SLAVE_SKIP_COUNTER_EXECUTED，并确保主从复制正常运行。

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