In previous blog posts, I have demonstrated how to use Angular/Spring WebFlux to build a simple and stupid Chat application with varied protocols, including SSE, WebSocket, and RSocket. …

Jakarta Security is based on the existing Jakarta Authentication and Jakarta Authorization, and defines a standard for securing your Jakarta EE applications. In additional to the existing BASIC, FORM, and CUSTOM FORM authentication, Jakarta Security 3.0 adds OpenID Connect protocol support. OpenID Connect 1.0 is a simple identity layer on…

Jakarta REST includes a dozen of small improvements, and also introduces two major new features. Java SE Bootstrap API The long-awaited standard Multipart API Let’s explore these features by examples. Bootstrap API Like the CDI Bootstrap API to host a CDI container in Java SE environment, Jakarta REST Bootstrap API provides similar…

Jakarta Persistence(aka JPA) 3.1 brings a collection of improvements. The UUID class now is treated as Basic Java Type. To support UUID type ID in Entity class, JPA introduces a new UUID generator. Several numeric functions and date/time specific functions are added in JPQL and type-safe Criteria API. More details…

In the last post Building JakartaEE 9 Web Applicaiton with Servlet Container, we have described how to start a Jakarta EE 9 web application with the core Jakarta EE components, including CDI, Jakarta Faces, Jakarta Servlet, Jakarta Pages, Jakarta REST, etc and run it in a Jakarta EE 9 compatible…

In Jakarta EE world, a lot of Java developers have built Java Web applications, but instead of using a full-fledged Application Servers, such as Payara, WildFly and WebLogic as production environments, they preferred to deploy into and run on a light-weight Servlet container, such as Apache Tomcat, Eclipse Jetty. In…

PHP 8.1 introduces the official Enum support. Doctrine brought Enum type support in its ORM framework, and Symfony added serialization and deserialization support of a Enum type. It is time to migrate your projects to use PHP Enum if you are using 3rd-party enumeration solutions. To use PHP Enum, you…

In this post, we will explore the Micronaut Mongo Reactive feature. Unlike the Data JPA and R2dbc, the Mongo Reactive feature is not part of the Micronaut Data project. Micronaut Mongo Reactive is a light-weight wrapper of the official Mongo Java Drivers, and provides autoconfiguration of MongoClient from application properties. Getting Started …

In this post, we will continue to explore Micronaut Data R2dbc, and rewrite the previous Data Jdbc/Kotlin example with Data R2dbc and Kotlin Coroutines. In contrast to Jdbc, R2dbc is another RDBMS database connection specification but provides asynchronous none-blocking API for users. R2dbc API is totally compatible with Reactive Streams…