password validation

Aikesheng Open Source Community

Aug 15, 2023 · Databases

Root Cause Analysis of MySQL Replication Error 1590 Caused by INCIDENT_EVENT During Partial Permission Changes

The article analyzes a MySQL 5.7 replication failure where the slave SQL thread stops with error 1590 because the master writes an INCIDENT_EVENT to the binlog when a GRANT or CREATE USER statement partially succeeds due to password‑validation plugin constraints, leading to replication breakage.

DatabaseIncident EventMySQL

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Root Cause Analysis of MySQL Replication Error 1590 Caused by INCIDENT_EVENT During Partial Permission Changes

Aikesheng Open Source Community

Aug 14, 2023 · Databases

Using MySQL 8.0.34 validate_password.changed_characters_percentage to Enforce Password Change Requirements

MySQL 8.0.34 adds the validate_password.changed_characters_percentage variable, allowing administrators to require a minimum percentage of different characters when users change passwords, and the article demonstrates how to enable the policy, set up a test environment, and verify behavior with various password change scenarios.

Database AdministrationMySQLchanged_characters_percentage

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Using MySQL 8.0.34 validate_password.changed_characters_percentage to Enforce Password Change Requirements

Java Captain

Mar 27, 2022 · Fundamentals

Understanding Regular Expressions in Java: Password Validation Example

This article introduces regular expressions through a Java password‑validation case, compares a manual character‑checking implementation with a concise regex solution, explains regex syntax and meta‑characters, and demonstrates how to apply Pattern.matches for string validation in Java.

Javacodingpassword validation

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Understanding Regular Expressions in Java: Password Validation Example