Tagged articles
3838 articles
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Alibaba Cloud Developer
Alibaba Cloud Developer
Nov 5, 2024 · Artificial Intelligence

How to Build a Java Spring AI Alibaba Chat Service with React Frontend

Learn step‑by‑step how to integrate Spring AI Alibaba into a Spring Boot backend, configure API keys, add necessary dependencies, create a CORS‑enabled chat controller, and then develop a matching React frontend that streams AI responses, enabling a complete Java‑to‑React AI chat application.

Chatbotjavaspring-ai
0 likes · 13 min read
How to Build a Java Spring AI Alibaba Chat Service with React Frontend
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Nov 5, 2024 · Backend Development

Solve Long Precision Loss in Spring Boot 3 with Jackson and Custom Annotations

This article demonstrates how to handle Java Long precision loss in Spring Boot 3 front‑end displays, configures Jackson to serialize Long as String, uses @JsonValue for single‑property serialization, and creates custom annotations with a SensitiveSerializer for data masking, complete with code examples and screenshots.

Custom AnnotationJacksonLong precision
0 likes · 9 min read
Solve Long Precision Loss in Spring Boot 3 with Jackson and Custom Annotations
Top Architect
Top Architect
Nov 4, 2024 · Operations

Centralized Log Collection and Monitoring with Filebeat and Graylog

This article explains how to use Filebeat as a lightweight log shipper together with Graylog for centralized log aggregation, storage, and analysis, covering installation, configuration files, Docker deployment, Spring Boot integration, and query techniques for efficient operations monitoring.

DockerElasticsearchFilebeat
0 likes · 18 min read
Centralized Log Collection and Monitoring with Filebeat and Graylog
macrozheng
macrozheng
Nov 4, 2024 · Backend Development

Deploy Spring Boot Apps Instantly with IDEA + Docker: One‑Click Remote Deployment

Learn how to replace manual jar uploads and java -jar commands by configuring IntelliJ IDEA and Docker for one‑click remote deployment of Spring Boot applications, covering prerequisite setup, Docker daemon basics, Dockerfile creation, and step‑by‑step configuration to streamline and automate the deployment process.

DevOpsDockerIntelliJ IDEA
0 likes · 9 min read
Deploy Spring Boot Apps Instantly with IDEA + Docker: One‑Click Remote Deployment
Top Architecture Tech Stack
Top Architecture Tech Stack
Nov 4, 2024 · Backend Development

Date Formatting Techniques in Spring Boot Applications

This article explains various Spring Boot approaches for formatting dates in API responses, covering frontend JavaScript utilities, Java SimpleDateFormat and DateTimeFormatter, global Jackson settings, annotation‑based formatting, custom converters, ControllerAdvice initBinder, and timestamp output methods.

Date FormattingDateTimeFormatterJackson
0 likes · 12 min read
Date Formatting Techniques in Spring Boot Applications
Top Architect
Top Architect
Nov 3, 2024 · Backend Development

Improving Spring Boot Controllers: From Bad Practices to Clean Design with @Valid and Global Exception Handling

This article examines common pitfalls in Spring Boot controller implementations, demonstrates how to refactor messy controllers into clean, maintainable code using @Valid for input validation and a centralized exception handler, and highlights best‑practice guidelines for backend development.

Controller Designbackend-developmentjava
0 likes · 11 min read
Improving Spring Boot Controllers: From Bad Practices to Clean Design with @Valid and Global Exception Handling
Java Tech Enthusiast
Java Tech Enthusiast
Nov 3, 2024 · Backend Development

Explore WeBlog: A Spring Boot & Vue 3.2 Full‑Stack Blog Platform

WeBlog is a Spring Boot and Vue 3.2 based full‑stack blog that combines a MySQL‑backed backend with JWT authentication, MinIO storage, and a hand‑crafted Element Plus admin UI, offering markdown publishing, analytics dashboards, and open‑source repository links for developers to explore.

Element PlusFull-Stack BlogJWT
0 likes · 6 min read
Explore WeBlog: A Spring Boot & Vue 3.2 Full‑Stack Blog Platform
Lobster Programming
Lobster Programming
Nov 1, 2024 · Backend Development

How to Parse PDFs and Extract Metadata with Apache Tika and Spring Boot

This guide explains Apache Tika's document parsing capabilities, shows how to download and run the Tika app, demonstrates extracting text and metadata from a PDF, and provides step‑by‑step instructions for integrating Tika into a Spring Boot project with full code examples.

Apache TikaDocument ProcessingMetadata Extraction
0 likes · 7 min read
How to Parse PDFs and Extract Metadata with Apache Tika and Spring Boot
G7 EasyFlow Tech Circle
G7 EasyFlow Tech Circle
Oct 31, 2024 · Backend Development

Mastering Zero‑Downtime Deployments with Spring Boot Microservices

This article explains how to achieve lossless releases for Spring Boot microservices by deregistering old instances, handling shutdown hooks, configuring graceful shutdown in Spring Boot 2.3+, and integrating custom interceptors for various containers and registration centers.

Graceful ShutdownMicroservicesZero Downtime
0 likes · 15 min read
Mastering Zero‑Downtime Deployments with Spring Boot Microservices
JD Tech Talk
JD Tech Talk
Oct 31, 2024 · Backend Development

Transforming Monolithic Order Processing with LiteFlow: A Component‑Based Workflow Blueprint

This article examines the challenges of sprawling order‑processing code in logistics systems and presents a strategic component‑based approach using the open‑source LiteFlow framework, detailing its architecture, execution rules, example XML flow, Java implementations, and key advantages for scalable backend development.

Component ArchitectureLiteFlowWorkflow Engine
0 likes · 10 min read
Transforming Monolithic Order Processing with LiteFlow: A Component‑Based Workflow Blueprint
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 31, 2024 · Backend Development

Master Document Parsing in Spring Boot 3 with Apache Tika: Code Samples & Tips

This article introduces Apache Tika for document parsing, outlines its key advantages, and provides step‑by‑step Spring Boot 3 examples—including facade parsing, text, PDF, auto‑detect, HTML conversion, custom configuration, and file‑upload integration—complete with code snippets and output screenshots.

Apache TikaAutoDetectParserDocument Parsing
0 likes · 10 min read
Master Document Parsing in Spring Boot 3 with Apache Tika: Code Samples & Tips
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 30, 2024 · Backend Development

Master Spring Boot 3 Extension Points: Custom AutoConfiguration, ApplicationContext, and RunListeners

This article walks through Spring Boot 3's powerful extension points—including AutoConfigurationImportFilter, ApplicationContextFactory, SpringApplicationRunListener, and ApplicationContextInitializer—showing how to implement, register, and test custom behavior with complete code examples and configuration steps.

AutoConfigurationImportFilterExtension PointsSpringApplicationRunListener
0 likes · 9 min read
Master Spring Boot 3 Extension Points: Custom AutoConfiguration, ApplicationContext, and RunListeners
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Oct 29, 2024 · Backend Development

Storing Douyin and Baidu Hot Search Data with MySQL, MyBatis Generator, and Java Crawlers

This tutorial explains how to design a MySQL table for hot‑search records, generate Java entity and mapper classes using MyBatis Generator, create unique IDs for each entry, and implement scheduled Java crawlers for Douyin and Baidu hot‑search data that persist the results via Spring‑Boot services.

BackendDatabase designMySQL
0 likes · 19 min read
Storing Douyin and Baidu Hot Search Data with MySQL, MyBatis Generator, and Java Crawlers
Java Architect Essentials
Java Architect Essentials
Oct 28, 2024 · Information Security

Protecting Spring Boot Applications with Classfinal Maven Plugin: Code Encryption and Machine‑Bound Execution

This article explains how to secure Spring Boot deployment packages by using Maven plugins for code obfuscation and encryption, configuring classfinal‑maven‑plugin to encrypt class files, configuration files, and libraries, and demonstrates password‑less and password‑protected startup as well as machine‑bound execution to prevent reverse engineering.

ClassFinalCode Encryptionjava
0 likes · 6 min read
Protecting Spring Boot Applications with Classfinal Maven Plugin: Code Encryption and Machine‑Bound Execution
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 28, 2024 · Backend Development

Master Asynchronous Programming in Spring Boot 3 with @Async and CompletableFuture

This article demonstrates how to enable and use Spring Boot 3's @Async annotation together with Java's CompletableFuture to create custom thread pools, run multiple asynchronous REST calls concurrently, aggregate their results, and handle exceptions, providing a complete backend solution for high‑performance APIs.

AsyncCompletableFuturebackend-development
0 likes · 8 min read
Master Asynchronous Programming in Spring Boot 3 with @Async and CompletableFuture
Java Architect Essentials
Java Architect Essentials
Oct 27, 2024 · Operations

Integrating Prometheus with Spring Boot for Real‑time Monitoring and Grafana Visualization

This article explains how to use Prometheus together with Spring Boot Actuator and Micrometer to collect, expose, and visualize application metrics, including step‑by‑step dependency configuration, YAML settings, Docker deployment of Prometheus and Grafana, and adding custom metrics for comprehensive monitoring.

ActuatorGrafanaMicrometer
0 likes · 10 min read
Integrating Prometheus with Spring Boot for Real‑time Monitoring and Grafana Visualization
Top Architect
Top Architect
Oct 26, 2024 · Operations

Centralized Log Collection with Filebeat and Graylog

This article explains how to use Filebeat as a lightweight log shipper together with Graylog, Elasticsearch, and MongoDB to collect, process, and visualize logs from multiple environments, including detailed configuration examples, deployment scripts, and integration with Docker and Spring Boot.

DockerElasticsearchFilebeat
0 likes · 19 min read
Centralized Log Collection with Filebeat and Graylog
Architecture Digest
Architecture Digest
Oct 25, 2024 · Backend Development

Spring Boot Project Initialization, Version Management, and Common Development Tools Guide

This article walks through the challenges of setting up a Java development environment, demonstrates how to create a Spring Boot project, explains version compatibility between Spring Cloud, Spring Boot, and Kafka, showcases essential Maven configurations and code snippets for global exception handling, logging, CORS, Swagger, and recommends useful in‑memory tools such as embedded Redis, DB, Kafka, Hutool, MyBatis‑Plus, MapStruct, and Redisson.

backend-developmentconfigurationjava
0 likes · 11 min read
Spring Boot Project Initialization, Version Management, and Common Development Tools Guide
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 24, 2024 · Backend Development

Master Fine-Grained Permission Control in Spring Boot 3 with JWT and SpEL

This article demonstrates how to implement fine‑grained permission checks in Spring Boot 3 without using Spring Security, by creating custom HandlerInterceptors, JWT utilities, DAO and service layers, and integrating SpEL expressions for dynamic authorization, complete with code snippets and test results.

JWTbackend-developmenthandlerinterceptor
0 likes · 13 min read
Master Fine-Grained Permission Control in Spring Boot 3 with JWT and SpEL
Programmer DD
Programmer DD
Oct 23, 2024 · Artificial Intelligence

How to Build a Generative AI App with Ollama and Spring Boot

This guide walks you through setting up Ollama for local large‑model serving, creating a Spring Boot project with Spring AI support, writing a unit test to query the model, and explains how to add the necessary dependencies for AI integration in existing Java applications.

AI integrationOllamagenerative AI
0 likes · 7 min read
How to Build a Generative AI App with Ollama and Spring Boot
Java Architecture Stack
Java Architecture Stack
Oct 22, 2024 · Backend Development

How to Prevent Browser Caching of JavaScript in Java Backend Apps

This article explains why stale JavaScript can break functionality, outlines the risks of caching such as outdated bugs, security flaws, and debugging difficulties, and provides practical Java‑side solutions—including versioned URLs, cache‑control headers, static‑resource policies, and ETag/Last‑Modified handling—to ensure browsers always load the latest scripts.

BackendJavaScriptcaching
0 likes · 7 min read
How to Prevent Browser Caching of JavaScript in Java Backend Apps
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 21, 2024 · Backend Development

Mastering DTO Mapping in Spring Boot 3 with ModelMapper: A Hands‑On Guide

Learn how to efficiently convert internal entities to external DTOs in Spring Boot 3 using ModelMapper, covering library comparisons, Maven setup, configuration, entity and DTO definitions, service, facade, controller implementation, and advanced features like custom mappings, property skipping, value conversion, and conditional mapping.

ModelMapperREST APIdto
0 likes · 8 min read
Mastering DTO Mapping in Spring Boot 3 with ModelMapper: A Hands‑On Guide
Lobster Programming
Lobster Programming
Oct 21, 2024 · Backend Development

Mastering Order State Management with Spring State Machine

This guide demonstrates how to use Spring State Machine to elegantly manage order status changes by defining states, events, configuring transitions, and implementing listeners, providing Maven dependencies and Java code examples for building extensible, event‑driven workflows in backend applications.

Spring State Machinebackend-developmentjava
0 likes · 7 min read
Mastering Order State Management with Spring State Machine
Architect
Architect
Oct 20, 2024 · Backend Development

Spring Boot Project Setup: Initialization, Version Management, and Core Scaffold Code

This article walks through creating a Spring Boot project, handling IDE setup, managing Spring Cloud and Kafka version compatibility, using Maven for dependency management, and provides essential scaffold code such as global exception handling, logging aspects, CORS configuration, and Swagger integration.

CORSException HandlingVersion Compatibility
0 likes · 12 min read
Spring Boot Project Setup: Initialization, Version Management, and Core Scaffold Code
Sohu Tech Products
Sohu Tech Products
Oct 18, 2024 · Backend Development

Design and Refactoring of a Java SDK with Proxy Optimization and Integration Test Enhancements

The article details how a Java SDK for a CIM instant‑messaging system was redesigned using Java 8+ features and the Builder pattern, introduced a lightweight proxy resembling RPC frameworks with dynamic‑URL support, and added comprehensive integration tests that verify automatic client reconnection and reliable message delivery across clustered servers.

Builder PatternProxyRPC
0 likes · 10 min read
Design and Refactoring of a Java SDK with Proxy Optimization and Integration Test Enhancements
macrozheng
macrozheng
Oct 18, 2024 · Backend Development

Master Spring Boot Validation: 10 Essential Tips and Custom Techniques

This article presents ten practical techniques—including built‑in annotations, custom constraints, server‑side checks, internationalized messages, validation groups, cross‑field rules, exception handling, testing, and client‑side considerations—to help developers implement robust validation in Spring Boot applications.

Custom AnnotationsJSR-303java
0 likes · 17 min read
Master Spring Boot Validation: 10 Essential Tips and Custom Techniques
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 17, 2024 · Backend Development

Mastering Spring Boot 3 @ComponentScan: Advanced Configurations & Examples

This article provides a comprehensive, step‑by‑step guide to using Spring Boot 3's @ComponentScan annotation, covering basic usage, package filtering, include/exclude filters, lazy initialization, custom name generators, scoped proxies, and custom scope resolvers, complete with runnable code samples and output screenshots.

ComponentScanSpring Frameworkbackend-development
0 likes · 12 min read
Mastering Spring Boot 3 @ComponentScan: Advanced Configurations & Examples
Architecture Digest
Architecture Digest
Oct 16, 2024 · Backend Development

Implementing Request and Response Encryption in Spring Boot with ControllerAdvice

This article walks through the design and implementation of symmetric request/response encryption for a Spring Boot API, covering requirement analysis, data models, custom ControllerAdvice for decryption and encryption, serialization challenges with FastJson and Jackson, and final configuration to keep encrypted payloads consistent across Android, iOS, and H5 clients.

ControllerAdviceJacksonapi-encryption
0 likes · 12 min read
Implementing Request and Response Encryption in Spring Boot with ControllerAdvice
macrozheng
macrozheng
Oct 16, 2024 · Backend Development

Master Spring Boot Request Logging, Wrappers, and AOP Utilities in One Guide

This article explains how to use Spring Boot's built‑in request logging, request/response wrappers, OncePerRequestFilter, and AOP utility classes such as AopContext, AopUtils, and ReflectionUtils, providing configuration snippets and practical code examples for backend developers.

FiltersRequest Loggingaop
0 likes · 13 min read
Master Spring Boot Request Logging, Wrappers, and AOP Utilities in One Guide
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 16, 2024 · Backend Development

Master Java HTTP Clients: From HttpClient to OkHttp and WebClient

This article introduces four Java HTTP client libraries—Java HttpClient, Apache HttpComponents, OkHttp, and Spring WebClient—explains their key features, provides async GET and sync POST code examples for each, and offers guidance on selecting the right client for Spring Boot and plain Java projects.

Apache HttpClientHTTP clientOkHttp
0 likes · 14 min read
Master Java HTTP Clients: From HttpClient to OkHttp and WebClient
Su San Talks Tech
Su San Talks Tech
Oct 15, 2024 · Backend Development

How Bean Searcher Lets You Build Complex Queries with One Line of Code

Bean Searcher is an open‑source, Apache‑2.0 licensed ORM search engine that outperforms MyBatis by up to 100×, offering one‑line multi‑table joins, pagination, dynamic sorting, field aggregation, and extensive extensibility, with simple Spring Boot integration and customizable components for rapid backend development.

ORMjavaspring-boot
0 likes · 9 min read
How Bean Searcher Lets You Build Complex Queries with One Line of Code
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 15, 2024 · Backend Development

Mastering HTTP Methods in Spring Boot 3: A Complete Guide to RESTful APIs

This comprehensive tutorial explains how to design and implement RESTful APIs with Spring Boot 3.2.5, covering all major HTTP methods (GET, HEAD, POST, PUT, DELETE, PATCH), best‑practice endpoint design, response handling, status‑code usage, pagination, filtering, versioning, caching, and security considerations.

HTTP methodsRESTful APIbackend-development
0 likes · 17 min read
Mastering HTTP Methods in Spring Boot 3: A Complete Guide to RESTful APIs
Architect
Architect
Oct 14, 2024 · Backend Development

Designing a Unified API Response Structure with Status Codes, Annotations, and Interceptors in Spring Boot

This article explains how to create a consistent JSON API response format—including custom status codes, message fields, and a Result wrapper—by using a @ResponseResult annotation, an interceptor, and ResponseBodyAdvice in Spring Boot, while also offering tips for optimization and error handling.

Response wrapperannotationsapi-design
0 likes · 7 min read
Designing a Unified API Response Structure with Status Codes, Annotations, and Interceptors in Spring Boot
macrozheng
macrozheng
Oct 14, 2024 · Backend Development

Simplify MyBatis-Plus Join Queries with MPJ: A Hands‑On Guide

This tutorial demonstrates how to use the mybatis-plus-join (MPJ) library to perform left and right join queries in a Spring Boot project without writing XML, covering dependency setup, mapper changes, query construction, pagination, and practical code examples.

Join QueryMPJORM
0 likes · 10 min read
Simplify MyBatis-Plus Join Queries with MPJ: A Hands‑On Guide
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 14, 2024 · Backend Development

Build a Custom Spring Boot 3 Application with Embedded Tomcat – Step‑by‑Step Guide

This article walks through creating a Spring Boot 3 application from scratch, demonstrating how to customize the ApplicationContext, embed a Tomcat server, define a custom SpringApplication class, configure web components, and test REST endpoints, providing complete code snippets and explanations for each step.

Embedded TomcatREST APIbackend-development
0 likes · 9 min read
Build a Custom Spring Boot 3 Application with Embedded Tomcat – Step‑by‑Step Guide
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 13, 2024 · Backend Development

How Spring Boot Handles Async Tasks and Thread Pools: Deep Dive & Customization

This article explores Spring Boot's asynchronous task and request mechanisms, detailing how @EnableAsync, @Async, @EnableScheduling, and @Async annotations configure thread pools, examines the underlying source code, and demonstrates custom configurations for executors and schedulers to control concurrency.

Asyncconfigurationspring-boot
0 likes · 14 min read
How Spring Boot Handles Async Tasks and Thread Pools: Deep Dive & Customization
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Oct 12, 2024 · Backend Development

Understanding Spring Boot Integration with Log4j2 and Logback: Logging Mechanisms, Configuration, and Hot Level Updates

This article provides a comprehensive analysis of how Spring Boot integrates Log4j2 (and Logback), detailing the internal logging architecture, configuration options, initialization flow, logger groups, and how to perform hot updates of logger levels via the LoggersEndpoint or custom APIs.

BackendHot Updateconfiguration
0 likes · 37 min read
Understanding Spring Boot Integration with Log4j2 and Logback: Logging Mechanisms, Configuration, and Hot Level Updates
Architect
Architect
Oct 9, 2024 · Backend Development

Unlocking Higher Throughput: Mastering Async Requests in Spring Boot

This article explains how Spring Boot can handle HTTP requests asynchronously using Callable, WebAsyncTask, and DeferredResult, detailing the underlying servlet workflow, thread‑pool configuration, and when asynchronous processing truly improves throughput versus CPU‑bound workloads.

AsyncCallableDeferredResult
0 likes · 12 min read
Unlocking Higher Throughput: Mastering Async Requests in Spring Boot
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 9, 2024 · Backend Development

Mastering Forest: A Practical Guide to Declarative HTTP Calls in Spring Boot

This article introduces the Forest Java HTTP client, explains its architecture and dynamic‑proxy mechanism, and provides step‑by‑step Spring Boot examples—including dependency setup, configuration, declarative interfaces, request annotations, parameter handling, and programmatic usage—so developers can quickly adopt declarative HTTP calls in their backend services.

Declarative APIForestbackend-development
0 likes · 10 min read
Mastering Forest: A Practical Guide to Declarative HTTP Calls in Spring Boot
macrozheng
macrozheng
Oct 8, 2024 · Backend Development

Mastering Batch Updates in MyBatis: From foreach to ON DUPLICATE KEY

This article explores four common batch‑update techniques in MyBatis, compares their performance, shows how to configure Druid and Spring Boot to allow multi‑statement execution, and provides practical code examples and configuration tips for reliable large‑scale data updates.

Batch UpdateDruidmybatis
0 likes · 11 min read
Mastering Batch Updates in MyBatis: From foreach to ON DUPLICATE KEY
Architect's Guide
Architect's Guide
Oct 7, 2024 · Backend Development

RabbitMQ Overview, Installation Guide, and Delayed Message Implementation

This article introduces RabbitMQ, explains its core features and messaging model, discusses why to use it for asynchronous, decoupled, and throttled processing, and provides step‑by‑step installation instructions for macOS, Windows, and CentOS along with Java code examples for configuring and using delayed messages via the rabbitmq_delayed_message_exchange plugin.

BackendDelayed MessageInstallation
0 likes · 11 min read
RabbitMQ Overview, Installation Guide, and Delayed Message Implementation
Java Tech Enthusiast
Java Tech Enthusiast
Oct 6, 2024 · Backend Development

Dynamic Class Loading and Unloading for Data Governance Tasks in Spring Boot with XXL‑Job

By implementing a plug‑in architecture that uses a custom URLClassLoader to load and unload JAR‑packaged governance tasks at runtime, the Spring Boot application can dynamically register Spring beans and XXL‑Job handlers, remove them cleanly, update configuration via YAML or Nacos, and package the solution with Maven Shade without restarting services.

Dynamic LoadingXXL-JOBclassloader
0 likes · 21 min read
Dynamic Class Loading and Unloading for Data Governance Tasks in Spring Boot with XXL‑Job
Selected Java Interview Questions
Selected Java Interview Questions
Oct 3, 2024 · Backend Development

Spring Boot Log4j2 Integration and Logger Level Hot Update

This article explains how Spring Boot integrates Log4j2, details the internal logging initialization process, describes logger and LoggerConfig relationships, and demonstrates how to hot‑update logger levels using LoggersEndpoint or custom endpoints without restarting the application.

BackendHot UpdateLogger Level
0 likes · 33 min read
Spring Boot Log4j2 Integration and Logger Level Hot Update
Architect
Architect
Oct 2, 2024 · Information Security

Preventing API Parameter Tampering and Replay Attacks with Signature Verification in Java

The article explains how exposed API endpoints can be intercepted and altered, and presents practical security measures—including HTTPS, encrypted parameters, timestamp‑based signatures, and a Spring Boot filter implementation—to detect and block tampering and replay attacks in a Java backend.

API SecurityParameter encryptionReplay attack
0 likes · 8 min read
Preventing API Parameter Tampering and Replay Attacks with Signature Verification in Java
Top Architect
Top Architect
Oct 2, 2024 · Backend Development

Designing and Implementing a Multi‑Level Approval Workflow with Activiti

This article explains how to design a two‑level leave‑approval process using the Activiti BPMN engine, covering diagram creation, Spring‑Boot configuration, deployment, task handling, exclusive gateways, database tables, API overview, and practical tips for extending the workflow.

ActivitiBPMNWorkflow Engine
0 likes · 25 min read
Designing and Implementing a Multi‑Level Approval Workflow with Activiti
Java Architect Essentials
Java Architect Essentials
Sep 26, 2024 · Backend Development

Implementing Interface Rate Limiting in Spring Boot Using Interceptor, Redis, and Custom Annotations

This article demonstrates how to build a flexible API rate‑limiting solution in Spring Boot by combining a HandlerInterceptor, Redis counters, and custom annotations with reflection, covering configuration, code examples, mapping rules, time‑window nuances, path‑parameter handling, and real‑IP considerations.

Custom AnnotationInterceptorjava
0 likes · 18 min read
Implementing Interface Rate Limiting in Spring Boot Using Interceptor, Redis, and Custom Annotations
macrozheng
macrozheng
Sep 26, 2024 · Backend Development

Build a Real‑Time Chat with Spring Boot WebSocket: Step‑by‑Step Guide

This article explains how to integrate Spring Boot with WebSocket to create a lightweight instant‑messaging system, covering dependency setup, configuration classes, core server code, front‑end integration, essential IM modules, common deployment challenges, and provides complete example code and demos.

Instant Messagingbackend-developmentreal-time-communication
0 likes · 15 min read
Build a Real‑Time Chat with Spring Boot WebSocket: Step‑by‑Step Guide
Java Backend Technology
Java Backend Technology
Sep 26, 2024 · Backend Development

How to Quickly Bootstrap a Spring Boot Project and Avoid Common Version Pitfalls

This guide walks you through the pain points of environment setup, shows step‑by‑step creation of a Spring Boot project, explains version compatibility between Spring Cloud, Spring Boot and Kafka, and provides ready‑to‑use Maven configurations, global exception handling, logging, CORS, Swagger, and a curated list of useful development tools.

Exception HandlingSwaggerVersion Compatibility
0 likes · 11 min read
How to Quickly Bootstrap a Spring Boot Project and Avoid Common Version Pitfalls
Java Architect Essentials
Java Architect Essentials
Sep 26, 2024 · Backend Development

How Spring Boot Integrates Log4j2: Deep Dive into Logging Mechanics and Hot Updates

This article provides a comprehensive analysis of how Spring Boot 2.7.2 works with Log4j2 2.17.2, covering Log4j2's core components, Spring Boot's logging configuration options, the internal startup sequence, the LoggersEndpoint for runtime level changes, and custom hot‑update techniques, all illustrated with code snippets and diagrams.

ActuatorHot Updatelog4j2
0 likes · 38 min read
How Spring Boot Integrates Log4j2: Deep Dive into Logging Mechanics and Hot Updates
Su San Talks Tech
Su San Talks Tech
Sep 25, 2024 · Backend Development

Mastering Batch Updates in MyBatis: From foreach to ON DUPLICATE KEY

This article walks through practical ways to perform batch updates in MyBatis, compares foreach, case‑when, and INSERT…ON DUPLICATE KEY techniques, explains common Druid WallFilter restrictions, and shows how to enable multi‑statement execution via JDBC and Spring configuration.

Batch UpdateDruidMySQL
0 likes · 13 min read
Mastering Batch Updates in MyBatis: From foreach to ON DUPLICATE KEY
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Sep 25, 2024 · Backend Development

Master Structured Logging in Spring Boot 3.4 with ECS and Custom Formats

This guide explains why structured logging is essential for observability, shows how Spring Boot 3.4 adds out‑of‑the‑box support for Elastic Common Schema and Logstash formats, and provides step‑by‑step configurations and code examples for console output, file logging, custom fields, and custom formatters.

Elastic Common SchemaJSONLogstash
0 likes · 8 min read
Master Structured Logging in Spring Boot 3.4 with ECS and Custom Formats
Top Architect
Top Architect
Sep 24, 2024 · Backend Development

Improving Spring Boot Controllers: From Unclean to Elegant with Validation and Global Exception Handling

This article examines common pitfalls in Spring Boot controller implementations, demonstrates how excessive if‑else checks and business logic in controllers degrade code quality, and provides clean, refactored examples using @Valid validation, concise error handling, and a global exception handler to achieve more maintainable backend services.

Controller Designjavaspring-boot
0 likes · 11 min read
Improving Spring Boot Controllers: From Unclean to Elegant with Validation and Global Exception Handling
Selected Java Interview Questions
Selected Java Interview Questions
Sep 23, 2024 · Operations

Comprehensive Guide to Using Apollo Configuration Center with Spring Boot and Kubernetes

This article provides a step‑by‑step tutorial on Apollo’s concepts, features, model, namespace handling, client design, high‑availability considerations, project creation, configuration management, Spring Boot client implementation, testing across environments, clusters and namespaces, and deployment on Kubernetes with Docker.

ApolloConfiguration ManagementKubernetes
0 likes · 25 min read
Comprehensive Guide to Using Apollo Configuration Center with Spring Boot and Kubernetes
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Sep 23, 2024 · Backend Development

How to Load Initial Data into Spring Boot 3.2.5: Runners, Beans, and SQL Scripts

This guide explains why pre‑loading initial data is essential for Spring Boot applications and demonstrates four practical methods—CommandLineRunner/ApplicationRunner, bean initialization with @PostConstruct, SQL script execution, and @Sql annotation for tests—complete with code snippets and configuration details.

CommandLineRunnerData InitializationSQL Scripts
0 likes · 8 min read
How to Load Initial Data into Spring Boot 3.2.5: Runners, Beans, and SQL Scripts
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Sep 22, 2024 · Backend Development

Mastering RFC 7807 Problem Details in Spring Boot 3.2.5

This article explains how Spring Boot 3.2.5 implements the RFC 7807 Problem Details specification, covering the core abstractions, code examples for creating ProblemDetail and ErrorResponse objects, and practical patterns for global exception handling in Spring MVC applications.

Error HandlingProblem DetailsRFC 7807
0 likes · 8 min read
Mastering RFC 7807 Problem Details in Spring Boot 3.2.5
Lobster Programming
Lobster Programming
Sep 21, 2024 · Backend Development

Mastering Spring Boot Transaction Hooks for Advanced Business Logic

This article explains how Spring Boot’s @Transactional annotation works, introduces programmatic transaction management, and demonstrates how to create custom transaction hook functions with TransactionSynchronizationManager and TransactionSynchronization to execute custom logic at each transaction phase, improving robustness and maintainability.

Spring FrameworkTransaction Hooksbackend-development
0 likes · 4 min read
Mastering Spring Boot Transaction Hooks for Advanced Business Logic
JavaEdge
JavaEdge
Sep 20, 2024 · Artificial Intelligence

Integrating LangChain4j with Spring Boot: AI Services Made Easy

This guide explains how to use LangChain4j Spring Boot starters to configure OpenAI models, create declarative AI services with @AiService, and run practical examples such as a customer‑support agent and a simple HelloWorld program, covering required dependencies, properties, and code snippets.

ChatLanguageModelDeclarative AI ServiceLangChain4j
0 likes · 8 min read
Integrating LangChain4j with Spring Boot: AI Services Made Easy
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Sep 20, 2024 · Backend Development

Master Spring Cloud OpenFeign: Complete Guide with Code Samples

This article provides a comprehensive introduction to Spring Cloud OpenFeign, comparing it with Feign and HttpExchange, and walks through practical setup, client declaration, custom configuration, interceptors, error handling, timeout and logging settings with full code examples for Spring Boot 3.2.5.

FeignClientMicroservicesOpenFeign
0 likes · 11 min read
Master Spring Cloud OpenFeign: Complete Guide with Code Samples
macrozheng
macrozheng
Sep 19, 2024 · Backend Development

Refactor Spring Boot Controllers for Clean Architecture and Unified Responses

This article explains the essential duties of a Spring MVC Controller, identifies common pitfalls such as duplicated validation and inconsistent responses, and demonstrates how to introduce a unified result wrapper, ResponseBodyAdvice, proper message‑converter ordering, JSR‑303 validation, custom validators, and global exception handling to produce concise, maintainable backend code.

ControllerException Handlingjava
0 likes · 19 min read
Refactor Spring Boot Controllers for Clean Architecture and Unified Responses
Lobster Programming
Lobster Programming
Sep 18, 2024 · Backend Development

How to Build and Use a Custom Spring Boot Starter in Minutes

Learn step‑by‑step how to create a custom Spring Boot starter, configure its properties, define services and controllers, register it via spring.factories, and then integrate the starter into other projects with Maven dependencies and configuration files.

Custom Starterconfigurationjava
0 likes · 5 min read
How to Build and Use a Custom Spring Boot Starter in Minutes
Code Ape Tech Column
Code Ape Tech Column
Sep 18, 2024 · Backend Development

Resolving Duplicate CORS Headers in Spring Cloud Gateway Using DedupeResponseHeader and Custom GlobalFilter

This article explains why Spring Cloud Gateway can return duplicate Access-Control-Allow-Origin and Vary headers, analyzes the request processing flow, and provides two solutions—using the built‑in DedupeResponseHeader filter with retention strategies or implementing a custom CorsResponseHeaderFilter—to eliminate the CORS error caused by multiple header values.

BackendCORSjava
0 likes · 10 min read
Resolving Duplicate CORS Headers in Spring Cloud Gateway Using DedupeResponseHeader and Custom GlobalFilter
Architect
Architect
Sep 16, 2024 · Backend Development

Seamless Token Refresh in Spring Boot & Axios: Full Implementation Guide

This article explains how to implement invisible token refresh for authentication servers using Spring Boot gateway filters, JWT handling, Axios interceptors, and a client‑side timer, compares client‑ and server‑side approaches, and provides complete code examples and practical recommendations.

AuthenticationJWTaxios
0 likes · 21 min read
Seamless Token Refresh in Spring Boot & Axios: Full Implementation Guide
Architecture Digest
Architecture Digest
Sep 15, 2024 · Backend Development

Implementing Asynchronous Requests in Spring Boot: Callable, WebAsyncTask, and DeferredResult

This article explains how to implement asynchronous request handling in Spring Boot using four approaches—AsyncContext, Callable, WebAsyncTask, and DeferredResult—detailing their mechanisms, code examples, thread pool configuration, and when to apply asynchronous processing to improve throughput.

CallableDeferredResultThreadPool
0 likes · 10 min read
Implementing Asynchronous Requests in Spring Boot: Callable, WebAsyncTask, and DeferredResult
Top Architect
Top Architect
Sep 14, 2024 · Operations

Centralized Log Collection with Filebeat and Graylog: Installation, Configuration, and Usage

This article explains why centralized log collection is essential for multi‑environment services, introduces Graylog as a lightweight alternative to ELK, details Filebeat's role and workflow, provides configuration examples, shows how to deploy both Filebeat and Graylog via Docker or packages, and demonstrates integration with Spring Boot and log search techniques.

DockerELKFilebeat
0 likes · 20 min read
Centralized Log Collection with Filebeat and Graylog: Installation, Configuration, and Usage
Java Tech Enthusiast
Java Tech Enthusiast
Sep 14, 2024 · Backend Development

Structured Logging in Spring Boot 3.4: JSON, ECS, and Custom Formats

Spring Boot 3.4 adds built‑in support for structured logging with ready‑made JSON formats such as Elastic Common Schema, lets you configure console or file outputs, enrich logs via MDC or the fluent API, and enables custom formatters—including a JsonWriter‑based example—for fully tailored, machine‑readable log entries.

ECSJSONjava
0 likes · 8 min read
Structured Logging in Spring Boot 3.4: JSON, ECS, and Custom Formats
macrozheng
macrozheng
Sep 14, 2024 · Backend Development

Mastering Activiti: Build Scalable Workflow Engines in Minutes

This article walks you through designing, deploying, and managing a multi‑level approval workflow using the Activiti engine, covering BPMN diagram creation, Spring Boot integration, database schema, API usage, code examples, and best practices for extending processes without additional code.

ActivitiBPMNMicroservices
0 likes · 26 min read
Mastering Activiti: Build Scalable Workflow Engines in Minutes
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Sep 13, 2024 · Backend Development

How to Dynamically Update Spring Boot Properties at Runtime Without Restart

This article explains several strategies for dynamically updating Spring Boot application properties—such as using prototype‑scoped beans, @RefreshScope with Spring Cloud, external configuration files, and custom PropertySource updates—so that changes take effect without restarting the service.

PropertySourceRefreshScopeSpring Cloud
0 likes · 10 min read
How to Dynamically Update Spring Boot Properties at Runtime Without Restart
Eric Tech Circle
Eric Tech Circle
Sep 12, 2024 · Backend Development

Build a Spring Boot 3.x Microservice OAuth2 Authorization Server from Scratch

This guide walks through creating a Spring Boot 3.3.3 microservice permission framework with OAuth2, covering technology stack, core features, project structure, step‑by‑step service startup, token acquisition, API calls, and provides the complete source repository for hands‑on experimentation.

Authorization ServerMicroservicesOAuth2
0 likes · 8 min read
Build a Spring Boot 3.x Microservice OAuth2 Authorization Server from Scratch
Architect
Architect
Sep 11, 2024 · Information Security

How to Secure Your Spring Boot JAR Against Decompilation with ClassFinal

This guide explains how to protect a Spring Boot release package from source leakage by comparing code obfuscation and encryption, detailing the configuration of the classfinal‑maven‑plugin, launch commands with and without passwords, and binding the encrypted jar to a specific machine.

ClassFinalCode EncryptionJar Protection
0 likes · 7 min read
How to Secure Your Spring Boot JAR Against Decompilation with ClassFinal