java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException Understanding java io Write Aborted Exception and java io Not Serializable Exception In the world of Java programming handling exceptions is a critical skill fo 3 min read 08-10-2024 30
Local EJB Bean Not Found using Indirect JNDI which was working earlier Resolving the Local EJB Bean Not Found Using Indirect JNDI When working with Enterprise Java Beans EJB developers sometimes encounter challenges such as the Loc 3 min read 08-10-2024 25
java hibernate 4 org.hibernate.HibernateException: Dialect class not found: org.hibernate.dialect.MYSQLDialect Hibernate Exception Dialect Class Not Found The Mystery of Missing My SQL Ever encountered the frustrating org hibernate Hibernate Exception Dialect class not f 3 min read 07-10-2024 32
How JavaEE and Spring are related / unrelated? Java EE vs Spring Friends Foes or Frenemies The world of Java enterprise development can feel like a tangled web of frameworks and technologies Two prominent pl 2 min read 07-10-2024 24
No Suitable Driver JEE The No Suitable Driver Error in JEE A Comprehensive Guide The Problem You re trying to connect to a database using Javas JDBC API in your JEE application but yo 2 min read 06-10-2024 41
Dto - Entity mapping best practice DTO vs Entity Mapping Best Practices for Clean Code The age old debate of DTOs Data Transfer Objects versus Entities in software development often leads to conf 3 min read 05-10-2024 40
Spring Boot 3 After add OpenAPI dependency NoProviderFoundException Spring Boot 3 Conquering the No Provider Found Exception after Adding Open API Dependency Problem You re excited to implement Open API formerly Swagger document 2 min read 05-10-2024 46
Jakarta EE modules used in Spring Demystifying Jakarta EE in Spring A Deeper Dive The world of enterprise Java development is brimming with frameworks and technologies Two prominent players are 2 min read 05-10-2024 36
How to completely disable EJB timers annotated with @Schedule? How to Completely Disable EJB Timers Annotated with Schedule EJB Enterprise Java Beans timers are powerful tools that allow developers to schedule tasks within 3 min read 30-09-2024 53
Servlet project fixed http 404 not found target resource fixed bugs get fixed How to Fix HTTP 404 Not Found Errors in Your Servlet Project When working on a servlet project encountering HTTP 404 Not Found errors can be quite frustrating T 2 min read 29-09-2024 41
From JSON String to Java Object using JSON-P (javax.json) API Transforming JSON Strings into Java Objects with JSON P javax json The ability to effortlessly convert JSON data into Java objects is crucial for modern Java ap 2 min read 06-09-2024 52
OpenJPA:This configuration disallows runtime optimization,but the listed types were not enhanced at build time or at class load time with a javaagent Open JPA This configuration disallows runtime optimization but the listed types were not enhanced at build time This article will explore a common error encount 3 min read 06-09-2024 53
Passing a parameter in a jpql query select Passing Parameters to Constructor Expressions in JPQL Queries This article explores the intricacies of passing parameters to constructor expressions within JPQL 2 min read 06-09-2024 60
Stopping Wildfly Windows Service failed Unlocking the Mystery of Wild Fly Windows Service Hangups Troubleshooting Stop Pending Wild Fly a powerful Java application server can sometimes leave you scrat 2 min read 06-09-2024 64
EntityManager null in QuartzJob Entity Manager Null Pointer Exception in Quartz Jobs A Common Issue and Solutions Quartz a popular Java scheduling library is often used to automate tasks like 4 min read 05-09-2024 54
GetParts() returning null in servlet Why request get Parts Returns Null in Your Servlet This article will delve into the common problem of request get Parts returning null when working with file up 2 min read 05-09-2024 45
How should i pass a userId(or other parameter) to PSQL trigger AFTER DELETE? Passing Parameters to Postgre SQL Triggers A Comprehensive Guide Postgre SQL triggers are powerful tools for automating actions within your database While they 3 min read 05-09-2024 48
How does Jakarta/Java EE compatibility work? Demystifying Jakarta EE Compatibility A Deep Dive into Versioning The world of Java Enterprise Edition Jakarta EE and its associated technologies can be a labyr 2 min read 04-09-2024 52
Springdoc works with war but cannot start when embedded within an ear (Wildfly31 + JDK17) Springdoc in Wildfly EAR A Guide to Troubleshooting Startup Issues This article delves into a common problem encountered when integrating Springdoc into a Wildf 2 min read 01-09-2024 44
How to implement Shiro2CryptFormat in Shiro 2 Migrating Your Shiro Password Encryption to Argon2 A Step by Step Guide Upgrading to Shiro 2 0 1 offers exciting new features including the robust Argon2 algori 2 min read 30-08-2024 43
Splitting up shared code and web.xml from WAR project to common JAR project Refactoring Shared Code and web xml from WAR Projects to a Common JAR Project Many Java web developers face the challenge of managing shared code and configurat 3 min read 30-08-2024 64
Application.getResources() is null or {0} is not a valid data source Troubleshooting Application get Resources is null and 0 is not a valid data source Errors in Payara This article will help you diagnose and fix the common Appli 3 min read 28-08-2024 48
Wildfly 30 + jakarta 10 duplicated beans Wild Fly 30 Jakarta 10 and Bean Duplication Solving the Request Scope Mystery This article addresses a common issue encountered during migration to Jakarta EE 1 3 min read 27-08-2024 43
Gestion de bibliotheque h1 Gestion de bibliotheque Un guide pratique de developpement h1 Introduction Ce document fournit un guide pas a pas pour developper une application web de gest 6 min read 27-08-2024 42