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                                            balin998

Connection com.mysql.cj.jdbc.ConnectionImpl marked as broken because of SQLSTATE(08S01), ErrorCode(0) => Communications link failure

**I encountered the same error, which requires the following conditions to be met at the same time**: 1. **Using azure-cloud-mysql (version: 5.7.32-log/5.6.50-log), manually installed mysql-5.7.28 on Azure virtual machine shows...

Connection com.mysql.cj.jdbc.ConnectionImpl marked as broken because of SQLSTATE(08S01), ErrorCode(0) => Communications link failure

**It's not a problem of HikariCP. The problem occurs when using jdk to directly connect to the database.** ```java public class A2 { public static void main(String[] args) throws ClassNotFoundException,...