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Why Keycloak Roles Don't Reach Spring Security

Why Keycloak Roles Don't Reach Spring Security

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5 min read
What is IoC and DI (Dependency injection)??

What is IoC and DI (Dependency injection)??

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1 min read
Spring AI Retries and Embeddings: Failed Answers and Full Re-indexes — LLM Cost Control 4/4

Spring AI Retries and Embeddings: Failed Answers and Full Re-indexes — LLM Cost Control 4/4

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9 min read
Building a Production-Ready Persistence Layer in Spring Boot

Building a Production-Ready Persistence Layer in Spring Boot

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6 min read
I Found a P0 Auth Bypass by Testing What null Does to BCrypt

I Found a P0 Auth Bypass by Testing What null Does to BCrypt

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1 min read
Server-Sent Events Across Multiple Pods: Redis Pub/Sub + Spring WebFlux

Server-Sent Events Across Multiple Pods: Redis Pub/Sub + Spring WebFlux

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6 min read
Stop Killing Your Database with @Transactional in Spring Boot

Stop Killing Your Database with @Transactional in Spring Boot

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2 min read
Why adding a second `AuthenticationProvider` can silently break Spring Security

Why adding a second `AuthenticationProvider` can silently break Spring Security

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3 min read
Your Search Query Is a Program: Composing Role-Based SQL With the Strategy Pattern

Your Search Query Is a Program: Composing Role-Based SQL With the Strategy Pattern

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13 min read
Your Payment Timed Out. Was the Customer Charged?

Your Payment Timed Out. Was the Customer Charged?

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6 min read
Connecting a React Dashboard to a Spring Boot Backend: Lessons from Building CropCare AI

Connecting a React Dashboard to a Spring Boot Backend: Lessons from Building CropCare AI

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3 min read
Actuator Endpoints in Spring Boot: Allowlist, Don't Just Disable the Obvious Ones

Actuator Endpoints in Spring Boot: Allowlist, Don't Just Disable the Obvious Ones

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8 min read
Preview the November 2026 AWS SDK for Java retry defaults on your own traffic

Preview the November 2026 AWS SDK for Java retry defaults on your own traffic

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4 min read
Why You Should Avoid @Data on JPA Entities

Why You Should Avoid @Data on JPA Entities

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3 min read
Looking into Spring Validation

Looking into Spring Validation

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2 min read
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