Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Failed to validate a newly established connection.
ERROR [ExceptionFilter] [DUBBO] Got unchecked and undeclared exception which called by 10.165.31.88
解决方案:
validationQuery: select 1 from dual
参考文章:
https://segmentfault.com/a/1190000006232823
本文介绍了一种常见的Spring框架中JDBC连接失败的问题,并提供了解决方案。通过设置validationQuery来验证数据库连接的有效性,避免因无效连接导致的应用异常。
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