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Edwin Derks
In Apache Maven, Jakarta EE, Kubernetes, Microservices, Payara Server, Tutorial

EclipseCon 2019 Workshop: Building Microservices with Jakarta EE and MicroProfile

EclipseCon Europe took place on October 21st to 24th. This was my second time attending and speaking at this event. Aside from the amazing projects that are active within the Eclipse Foundation, this year’s edition contained a long anticipated present: the release of Jakarta EE 8.

Two colleagues Ivo Woltring Talip Ozkeles and myself provided a hands-on workshop where attendees coded Jakarta EE 8 with it’s microservices-enabling cousin: Eclipse MicroProfile.

By providing the workshop slides, we hope some value comes to you!

 

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Philip Riecks
In CDI, Documentation, MicroProfile Concurrency, MicroProfile Config JSR, MicroProfile Fault Tolerance, MicroProfile Health Check, MicroProfile JWT Authentication, MicroProfile Metrics, MicroProfile Open Tracing API, MicroProfile Rest Client, Tutorial

Tutorials on each Eclipse MicroProfile Specification

To help newcomers or Java EE developers to start with Eclipse MicroProfile, I’ve created a tutorial for each specification. These tutorials cover all twelve specs and discuss each in detail with code-examples. Furthermore, there is a YouTube video for each spec available to see it in-action. The whole source code…

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David Chan
In MicroProfile Metrics, Open Liberty

Migrating applications from MicroProfile Metrics 1.x to MicroProfile Metrics 2.0

by David Chan and Charlotte Holt

MicroProfile Metrics 2.0 introduces several changes over MicroProfile Metrics 1.x. If you’ve previously written an application using Metrics 1.x, you might need to make some changes to the app to migrate it to Metrics 2.0. In particular, the @Counted annotation in Metrics 1.x could be monotonic or non-monotonic but, in Metrics 2.0, is now only monotonic with a separate @ConcurrentGauge annotation for non-monotonic counting.

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