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Canal 1.1.5 启动报错:caching_sha2_password Auth failed


文章目录

  • ​​1. 现象​​
  • ​​2. 分析定位​​
  • ​​3. 解决方案​​
  • ​​效果图​​
1. 现象

Canal 1.1.5 启动报错:caching_sha2_password Auth failed_canal

java.io.IOException: caching_sha2_password Auth failed
at com.alibaba.otter.canal.parse.driver.mysql.MysqlConnector.negotiate(MysqlConnector.java:260) ~[canal.parse.driver-1.1.5.jar:na]
at com.alibaba.otter.canal.parse.driver.mysql.MysqlConnector.connect(MysqlConnector.java:82) ~[canal.parse.driver-1.1.5.jar:na]
... 4 common frames omitted
2021-11-20 16:43:40.852 [destination = example , address = /127.0.0.1:3306 , EventParser] ERROR com.alibaba.otter.canal.common.alarm.LogAlarmHandler - destination:example[com.alibaba.otter.canal.parse.exception.CanalParseException: java.io.IOException: connect /127.0.0.1:3306

2. 分析定位

自MySQL 8.0.3开始,身份验证插件默认使用caching_sha2_password

3. 解决方案

解决:修改canal用户对应的身份验证插件为mysql_native_password

mysql> select host,user,plugin from mysql.user ;
mysql> ALTER USER 'canal'@'%' IDENTIFIED WITH mysql_native_password BY 'password';

效果图

Canal 1.1.5 启动报错:caching_sha2_password Auth failed_canal_02


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