LoadBalance — 2 Technical Articles

Aug 12, 2025 · Databases

Why OceanBase Driver Throws Access Denied in Kubernetes and How to Resolve

This article analyzes why an OceanBase JDBC driver fails with "Access denied" errors when deployed in Kubernetes, compares it with the MySQL driver, explains the role of IP whitelist verification, and provides step‑by‑step troubleshooting, configuration adjustments, and preventive measures.

Access deniedIP whitelistJDBC driver

0 likes · 14 min read

Why OceanBase Driver Throws Access Denied in Kubernetes and How to Resolve

Xiao Lou's Tech Notes

Nov 2, 2021 · Backend Development

Why My Custom Dubbo LoadBalance Stopped Working and How to Fix It

The article recounts a puzzling case where a custom Dubbo load‑balance extension (XLB) stopped being applied, explains how conflicting XML and Spring‑Boot configurations caused the consumer to ignore the custom setting, and walks through the source‑code investigation that reveals the loading order and caching behavior, ending with a concise summary of the root cause and resolution.

ConfigurationDebuggingDubbo

0 likes · 8 min read

Why My Custom Dubbo LoadBalance Stopped Working and How to Fix It