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

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

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

效果图