分析从库1062问题，解析从库binlog日志，报错如下 [root@xxxdb0402 tmp]# mysqlbinlog mysql-bin.004271 > 4.log [b]ERROR: Error in Log_event::read_log_event(): 'read error', data_len: 438, event_type: 2 [/b][root@xxxdb0402 tmp]# grep  'rding' 4.log > rd4.log [root@xxxdb0402 tmp]# ll rd4.log -rw-r--r-- 1 root root 0 Sep  3 17:50 rd4.log 空的，第四个日志没有录入操作 奇怪报错了，google之，3种方案 [b]1 写全路径 [/b][root@xxxdb0402 tmp]# /opt/mysql/product/5.5.25a/bin/mysqlbinlog mysql-bin.004271 > 4.log ERROR: Error in Log_event::read_log_event(): 'read error', data_len: 438, event_type: 2 [root@xxxdb0402 tmp]# whereis  mysqlbinlog mysqlbinlog: /usr/bin/mysqlbinlog [root@xxxdb0402 tmp]# /usr/bin/mysqlbinlog mysql-bin.004271 > 4.log /usr/bin/mysqlbinlog: Character set '#45' is not a compiled character set and is not specified in the '/usr/share/mysql/charsets/Index.xml' file ERROR: Error in Log_event::read_log_event(): 'read error', data_len: 438, event_type: 2 [b]2 加-f强制解析 [/b][root@xxxdb0402 tmp]# mysqlbinlog -f mysql-bin.004271 > 4.log ERROR: Error in Log_event::read_log_event(): 'read error', data_len: 438, event_type: 2 [b]3 这个copy过来的日志的时候，db正往日志里面写数据呢，从新copy下binlog到/tmp下。 [/b]那就重新copy一次binlog，再解析 [root@xxxdb0402 tmp]# cp /mysqldata/data/mysql-bin.004271 /tmp/ cp: overwrite `/tmp/mysql-bin.004271'? y [root@xxxdb0402 tmp]# /opt/mysql/product/5.5.25a/bin/mysqlbinlog mysql-bin.004271 > 4.log ERROR: Error in Log_event::read_log_event(): 'read error', data_len: 438, event_type: 2 3种方案都报一样的错误。Mysql版本5.5.25a。linux环境centos6.0 [b]这个问题如何搞定，比较诡异？[/b] [b] [/b] [b]朋友建议直接在mysql的数据目录之下用mysqlbinlog试下[/b] [root@xxxdb0402 data]# /opt/mysql/product/5.5.25a/bin/mysqlbinlog -f mysql-bin.004271 > 4.log ERROR: Error in Log_event::read_log_event(): 'read error', data_len: 438, event_type: 2 [b]结果还是一样的报错。[/b]