# Managing Sensitive Data in jOOQ 3.21+ Logs Secure log management solutions for developers. - **Source:** [Java, SQL and jOOQ.](https://brifing.si/source/27b599b2-cf67-49da-a49f-9552e99765d1) - **Published:** 2026-03-27 - **Topic:** [Software & Engineering](https://brifing.si/c/engineering) - **Original article:** - **On Brifing:** https://brifing.si/s/7e30a65a-7f5f-4cf6-8040-2fa7e722b7e1 ## jOOQ's Debug Logging Feature jOOQ provides developers with detailed debug logs to understand query execution. These logs show the query text, bound values, and the first few rows of the result set. While extremely useful during development, this feature can pose security risks in production environments. ## Log Risks in Production jOOQ's default log output may expose sensitive data, such as book titles from a database. This can lead to privacy violations and security vulnerabilities. Managing these risks is crucial for compliance with regulations like GDPR. ## The Solution in jOOQ 3.21 jOOQ 3.21 introduces a new feature to mask sensitive data in logs. Specific column values can now appear as '****' in logs, allowing developers to access debug information while maintaining data security. ## Easy Configuration Enabling this feature in jOOQ's commercial versions is straightforward. A few lines of code in the Maven configuration file can mask sensitive data in logs. This is a critical step for enhancing data security in large teams and enterprise projects. ## Support for Multiple Output Formats jOOQ 3.21 supports data masking not only in logs but also in HTML, CSV, JSON, and XML outputs. This ensures consistent security policies across different parts of the application and reduces data leakage risks. ## A Crucial Step for Secure Development This feature in jOOQ 3.21 helps developers enhance security in production environments. By preventing accidental logging of sensitive data, it ensures regulatory compliance and maintains customer trust, becoming an essential feature in modern software development. ## Sources covering this story - https://blog.jooq.org/managing-sensitive-data-in-jooq-3-21-logs/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._