BoYiZhang opened a new issue #4161: URL: https://github.com/apache/incubator-dolphinscheduler/issues/4161
SQL query mode exception : Failed to obtain JDBC Connection ... The Worker service connects to the database normally, the shell node can query the database normally, and the SQL component "non-query mode" is used normally. But using "query mode" reports an error. The exception information is as follows:  This exception also exists in the official druid, and the related issues are as follows: https://github.com/alibaba/druid/issues/2130 User feedback screenshot:     ------------------------------------------------------------- Worker服务正常连接数据库, shell节点可以正常查询数据库, SQL组件 "非查询模式"正常使用. 但是使用"查询模式"报错. 异常信息如下:  druid 官方也存在这个异常,相关issue如下: https://github.com/alibaba/druid/issues/2130 --------------------------------------------- 用户反馈截图:     ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
