Quick BI数据集抽取加速报错“sync error. com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: 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.”

【问题描述】

Quick BI数据集抽取加速报错“sync error. com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: 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.”

【问题原因】

网络不稳定造成的抽取加速失败。

【解决方案】

从报错可以看出是客户端与数据库服务器之间的连接出现问题，需要检查数据库是否连接正常，进行重新加速。

【适用于】

Quick BI 专业版