DataWorks为什么ping检测 都通过了 telnet 也通过了 但是客户端连接测试不通?

DataWorks为什么ping检测 都通过了 telnet 也通过了 但是客户端连接测试不通 ？{"commonInfo":{"regionCode":"cn-shanghai","projectId":163463,"projectName":"FDW_PE","datasourceType":"mysql","datasourceName":"report","resourceGroup":"S_res_group_22756_1657247971967","resourceGroupName":"edirg1"},"response":{}}
原因： [ ErrorMessage:[Exception:Communications link failure The last packet successfully received from the server was 6,000 milliseconds ago. The last packet sent successfully to the server was 6,000 milliseconds ago.

ExtraInfo:Resource Group IP:["192.168.34.200(Primary)","192.168.100.12"],HostName:cn-shanghai.539090429341762.1657247977681, ,detail version info:mysql_all],Root Cause:[Read timed out] ]