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我想将 Bonita bpm 与 mysql 数据库连接。基于 Bonita Studio 创建的一个简单过程，我测试了 mysql 驱动程序，并使用主机名配置了连接器：端口/数据库，并创建了一个简单的输出查询但没有结果。

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Here is the error message: "Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server."

This problem points to this answer:

Solving a "communications link failure" with JDBC and MySQL

于 2017-03-21T10:52:42.627 回答