Java Performance & Security

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Practical guides on Java performance, Spring Boot best practices, security vulnerabilities and how to fix them.

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Spring Security Misconfigurations That Put Your App at Risk

CSRF disabled, CORS wildcard, permitAll() on everything — these Spring Security mistakes are common, hard to spot, and exploitable. Learn how to detect and fix them.

9 min readApril 15, 2026JOptimize Team
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spring-boothibernateperformance

How to Detect and Fix N+1 Queries in Spring Boot

N+1 queries are one of the most common performance killers in Spring Boot applications. Learn how to detect them with code examples, and fix them permanently.

8 min readApril 14, 2026JOptimize Team
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