Apache Doris FAQ: JDBC Connection Issues, Data Operations, and System Maintenance
SQL Query Issues
Q: JDBC Connection Failure Error
When executing queries, users may encounter the following error:
[HY000][1105] Can not connect to jdbc due to error: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
Recommended troubleshooting steps:
Add autoReconnect=true parameter to the JDBC URL and set ...
Posted on Fri, 15 May 2026 09:56:49 +0000 by cockney