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In production-grade software development, storing database credentials in plain text within configuration files poses a significant security risk. To mitigate this, it is standard practice to encrypt sensitive information. This article demonstrates how to leverage the Alibaba Druid connection pool to encrypt and decrypt database passwords asymm ...

Method 1: Using @Value for Property Injection Step 1: Define a properties file (e.g., jdbc.properties) jdbc.driverClassName=com.mysql.cj.jdbc.Driver jdbc.url=jdbc:mysql://127.0.0.1:3306/leyou jdbc.username=root jdbc.password=123456 Step 2: Create a configuration class using @Value package com.caicia.config; import com.alibaba.druid.pool.Druid ...

Database connection pooling is a foundational optimization in modern Java applications, especially within Spring Boot ecosystems. Misconfigurations or misunderstandings of pool behavior frequently lead to subtle production issues — such as stale connections, timeouts, or resource exhaustion — even among seasoned developers. Why Connection Pools ...

Maven Dependencies Add the following dependencies to you're pom.xml: <!-- MyBatis integration for Spring Boot --> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.1</version> </dependency> <!-- MySQL ...

MyBatis is a lightweight SQL-mapping framweork that removes most JDBC boiler-plate while still giving full control over SQL. The following walkthrough shows how to integrate it into a Spring Boot project and perform common CRUD operations. Project bootstrap and data source configuration Create a new Spring Boot project with the spring-boot- ...

Project Dependencies for Standard JDBC To configure a data source using Spring Boot's default JDBC support, typically backed by Tomcat JDBC, include the folllowing dependencies in your Maven pom.xml file. This configuration also integrates MyBatis for database mapping. <dependencies> <dependency> <groupId>org.sprin ...