Bolivia JUG April 2020 Meetup

By Apache TomEE, Community, Jakarta EE, Java EE, MicroProfile, Open Source, Spanish, TomEE, Tribers Tour, Tribers vTour No Comments

In April 2020, the Bolivia Java User Group held a virtual meetup with Latin American JUG’s participants. The event covered Java cloud-native and microservice development, infrastructure, and contribution to the Open Source ecosystem distributed in three sessions: It’s Easy! Contributing to Open Source César Hernández, from Guatemala JUG, provided a session about how to contribute and become a valuable part of any open source community. Examples of how to learn and apply soft and hard skills were presented based on Eclipse MicroProfile and Apache TomEE Open Source projects. Attendees were able to learn how to access and navigate the culture…

Read More

Keeping Brazil’s Medical Industry Safe with MicroProfile & JakartaEE – Jakarta Tech Talks

By Apache TomEE, Community, Eclipse Foundation, Jakarta EE, Java EE, MicroProfile, Open Source, TomEE, Tomitribe, Tribers vTour No Comments

At Oracle Code One 2019  Rafael Guimares, Otavio Santana, and I presented this 45 minutes session for the first time. We provided a case of cloud migration and modernization of a widely use monolithic system with the help of MicroProfile, Jakarta EE, TomEEand Tribestream API Gateway in the Brazilian medical Industry that involved several challenges such as the fifth-largest population and largest territory in the world; technical complexity; and diversity, both geographic and economic. At the beginning of 2020, we were invited via the Jakarta EE Community Forum signed up sheet here to present the session as part of the…

Read More

DevNexus 2020

By Apache TomEE, Community, Jakarta EE, Open Source No Comments

DevNexus Feb 19th to 21st,  is the Atlanta annual software developer conference that’s run by the Atlanta Java Users Group . This event gathers more than 2,400 attendees from all over the world and covers a wide range of topics within the Java Platform, cloud architectures, OpenSource, frameworks, Web and Frontend, tools and techniques, security, Agile, etc. JUG Leaders Summit To celebrate 25 years of Java, a JUG Leaders Summit will take place on the 19th gathering more than 40 Java User Groups from around the world. The unconference day will provide an open and collaborative space to learn from…

Read More

JConf Guatemala 2019

By Community, Open Source No Comments

The biggest Java conference in Central America, Jconf Guatemala, was held on November 8th and 9th, 2019 by the Guatemala Java User Group –GuateJUG-. The conference, formerly known as Java Day Guatemala, gathered more than three hundred attendees from different countries like Mexico, Guatemala, El Salvador, Costa Rica, Perú, Colombia, Ecuador, and Honduras. The conference had a broad participation from local speakers along with various Java Champions, Ground Breakers, and developers advocates from the Industry. JConf is an effort promoted by various Latin America Java User Groups to homogenise the yearly conferences organized in countries like Perú, Colombia, Domincan Republic,…

Read More

Tomitribe at CodeOne 2019

By Community, Open Source, Tomitribe No Comments

Oracle CodeOne 2019 was held on September 16th-19th in San Francisco.  During the event developers, users, architects, managers and many IT stakeholders from around the world had the opportunity to network, share and learn about the established and cutting edge technologies related to cloud-native, Apache TomEE, Eclipse MicroProfile, GraalVM, Data Science, DevOps, Jakarta EE, Testing frameworks and more. Tomitribe was again excited to return to the second iteration of what used to be JavaOneConf.  Four Tribers:  David, Amelia, Jean-Louis and Cesar were actively involved in many presentations, Hands-on Labs, community activities/parties and Hackergartens.  Activities Covered Meet the JCP Executive Committee 20th JCP…

Read More

HackDay: Cómo contribuir en proyectos Open source

By Community, Open Source No Comments

 Grupos de usuarios de Java de España y Latinoamérica nos hemos unido para compartir conocimientos. Desde noviembre del 2017 hemos estado reuniéndonos periódicamente para compartir conocimiento utilizando los dos lenguajes que mas nos gustan, Java y el Español. Los eventos anteriores han sido transmitidos en directo desde el canal de Youtube de Evento JEspañol. Desde el Caribe el grupo de usuarios la República Dominicana Java Dominicano será el encargado de moderar nuestro sexto encuentro titulado: Cómo contribuir en proyectos open source. En esta sesión estaremos hablando sobre cómo contribuir al código abierto: herramientas, medios, proceso, recomendaciones y más. Trabajaremos…

Read More

How to create a microservice with Eclipse MicroProfile and Apache TomEE

By Apache TomEE, Eclipse Foundation, Jakarta EE, Java EE, MicroProfile, Open Source, TomEE No Comments

At Tomitribe we are active stakeholders on projects like Apache TomEE, Eclipse MicroProfile and Eclipse JakartaEE and provide Enterprise Support for these and other Open Source projects like Apache Tomcat & Active MQ. In this article, we will cover how developers can create a microservice with Java using the Eclipse MicroProfile specifications with the DevOps friendly application server, Apache TomEE. If MicroProfile is a topic you want to learn more about, we have many other blog posts covering the basics of Eclipse MicroProfile with details of each of the specifications along with examples. The official Apache TomEE project website also…

Read More

Microservices Metrics targets with Eclipse MicroProfile

By Apache TomEE, Eclipse Foundation, MicroProfile No Comments

In our previous blog post, Getting Started with Microprofile Metrics, we covered the basic concepts about metrics scopes and types of application metrics you can include in your existing JAX-RS endpoints. In this article, we are going to summarize the metadata and default values from the Eclipse MicroProfile Metrics annotations and how they should be applied. The type of annotations applied to a target tracks how that target (field, method, etc.) is measured and the default values help us to make our code cleaner. Default units and targets per annotation Table No.1 describes each of the Metrics annotations and the…

Read More

Conviértete en un Contributor de Open Source con Apache TomEE

By Apache TomEE, Community, Open Source, TomEE No Comments

Durante esta sesión de video, Daniel Dias y Cesar Hernandez comparten sus retos, oportunidades y recomendaciones para iniciar a contribuir en proyectos de Código Abierto como lo és Apache TomEE. La demostración de la sesión incluye como desde cero llegar a colocar un pull-request en el proyecto Apache TomEE cubriendo los aspectos de herramientas, procesos y comunicación.

Read More

Singleton Session Beans: Eager initialization and ordering

By Apache TomEE, Jakarta EE, Java EE, TomEE No Comments

Tomitribe support customers often use Java Singleton EJBs, and while powerful the sequence of startup and initialize can be confusing. This tutorial will help explain how Singleton EJB’s can be eagerly initialized at application startup and how we can define a priority during this process. Review EJB Annotations Before jumping into the code let’s do a recap of the following annotations used in this blog post: @Singleton Component-defining annotation for a singleton session bean. @Startup Marks a singleton bean for eager initialization during the application startup sequence. @DependsOn Used to express an initialization dependency between singleton components. The container ensures…

Read More