看起来您遇到了连接数据库时通信链接失败的问题。这可能是由于以下原因：数据库服务器未启动或无法访问。检查数据库服务器的状态并确保它正在运行并且可以访问。网络问题导致与数据库服务器的通信中断。检查网络连接，确认您可以在本地计算机上通过网络访问数据库服务器。数据库认证信息不正确。确认提供的数据库认证信息（包括用户名、密码和端口号）正确无误。

问答 2023-11-14 来自：开发者社区

DataWorks调用数据源服务失败：没有绑定数据服务资源组默认就是使用的公共资源组是么？

DataWorks调用数据源服务失败：获取API关联数据源信息失败: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.详情一键复制Err....

问答 2023-07-25 来自：开发者社区

DataWorks独享资源组已绑定工作空间，在空间内选用独享资源组测试全部失败，公共资源组可正常测？

DataWorks独享资源组已绑定工作空间，在空间内选用独享资源组测试全部失败，公共资源组可正常测试？

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更新时间 2024-05-21 18:30:24

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大数据开发治理平台 DataWorks

DataWorks 是一站式大数据开发治理平台，深度集成 MaxCompute、Flink、Hologres、PAI 等引擎，支持湖仓一体与 Data+AI 场景。通过 Data Agent 实现数据集成、开发、分析到治理的全链路智能提效。

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DataWorks基于MaxCompute/Hologres/EMR/CDP等大数据引擎，为数据仓库/数据湖/湖仓一体等解决方案提供统一的全链路大数据开发治理平台。作为阿里巴巴数据中台的建设者，DataWorks从2009年起不断沉淀阿里巴巴大数据建设方法论，同时与数万名政务/金融/零售/互联网/能源/制造等客户携手，助力产业数字化升级。

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