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查看example日志发现异常如下:

2020-10-09 11:06:45.011 [destination = example , address = /10.0.0.39:3306 , EventParser] ERROR com.alibaba.otter.canalmon.alarm.LogAlarmHandler - destination:example[java.io.IOException: Received error packet: errno = 1236, sqlstate = HY000 errmsg = Could not find first log file name in binary log index file
        at com.alibaba.otter.canal.parse.inbound.mysql.dbsync.DirectLogFetcher.fetch(DirectLogFetcher.java:102)
        at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.dump(MysqlConnection.java:235)
        at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3.run(AbstractEventParser.java:265)
        at java.lang.Thread.run(Thread.java:745)
]

主要原因:

 手工清理过binlog日志,没重置mysql binlog index信息

解决方法:

 删除canal/conf/example/meta.dat 文件重启即可

1.停止canal

bin/stop.sh

 2.进入canal/conf/example/ 目录下

rm -rf meta.dat

 

  

3. 进入bin目录

./start.sh

4.检查

tail -500f logs/example/example.log

5.完美解决

6.参考github issue

https://github/alibaba/canal/issues/156

本文标签: ottercanalcommonError