我有一个连接到mysql服务器的 Java 客户端应用程序。客户端和服务器都运行在 docker 容器中。
我注意到官方mysql Docker镜像最近更新了mysql服务来运行Version: '8.0.1-dmr'
由于此更改，我的 Java 客户端应用程序无法连接到 mysql 实例；它失败并出现以下错误：
Caused by: java.sql.SQLException: Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property.
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910) ~[mysql-connector-java-5.0.8-bin.jar:na]
at com.mysql.jdbc.Connection.configureClientCharacterSet(Connection.java:2412) ~[mysql-connector-java-5.0.8-bin.jar:na]
at com.mysql.jdbc.Connection.initializePropsFromServer(Connection.java:4139) ~[mysql-connector-java-5.0.8-bin.jar:na]
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2789) ~[mysql-connector-java-5.0.8-bin.jar:na]
at com.mysql.jdbc.Connection.<init>(Connection.java:1555) ~[mysql-connector-java-5.0.8-bin.jar:na]
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285) ~[mysql-connector-java-5.0.8-bin.jar:na]
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:307) ~[tomcat-jdbc-8.0.20.jar:na]
at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:200) ~[tomcat-jdbc-8.0.20.jar:na]
at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:699) ~[tomcat-jdbc-8.0.20.jar:na]
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:633) ~[tomcat-jdbc-8.0.20.jar:na]
at org.apache.tomcat.jdbc.pool.ConnectionPool.getConnection(ConnectionPool.java:186) ~[tomcat-jdbc-8.0.20.jar:na]
at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:126) ~[tomcat-jdbc-8.0.20.jar:na]
我不拥有 Java 客户端应用程序的源代码，因此我无法轻松升级它正在使用的 JDBC 驱动程序（即 …