What does JavaEE’s reincarnation as JakartaEE mean for developers? Author and JakartaEE ambassador Reza Rahman will discuss the recent history and present-day state of JakartaEE. He will then demonstrate the latest JakartaEE updates and coming attractions in Servlets, JPA, CDI, Jakarta REST, Security features, and other technologies.

The foundation of Application Resiliency is often found in the application code where Fault Tolerance is baked into the application at the time of designing and coding….

This presentation starts with building resiliency ground-up by baking the basic crucial patterns into the application. Resiliency4j provides the out of the box integration with Spring Boot, a defacto standard micro-service framework.

The patterns discussed include:

• Rate Limiter
• Retry
• Bulkhead
• Circuit Breaker
• Timeouts

Three evolutionary ecosystems work well together: Java, Containers, and Kubernetes. Past versions of Java were never designed to be "container aware." This has led some to stray from the JVM to consider other shiny languages for Containers.

But wait, let’s discover what Java 9, 10, 11, 12, 13 (…) has done to get our applications into efficiently distilled containers that pack nicely into Kubernetes.

The NEJUG Holiday Party is scheduled for our normal second Thursday of the month, December 12, 2019, but it is not a normal presentation meeting. Instead, it's an "all fun time" event where we get to chat, eat, drink, network, and socialize. Come, join us for dinner, great conversation and raffle prizes. Buy your tickets now and get the early bird discount!

CLICK HERE 🡆  NEJUG Holiday Party Tickets (at EventBrite)

Menu items include:

• Appetizers
• Salad
• Bread Rolls
• Chicken Parma
• Four Cheese Ravioli
• Rigatoni with Broccoli & Chicken
• Desserts
• Soft drinks, tea, and coffee are included.
• Cash bar also available.
• NO PIZZA - That's for regular meetings...

Space is limited to 50 guests so buy your tickets early! Tickets for yourself and your guests are available here: https://www.eventbrite.com/e/nejug-holiday-2019-tickets-72434753297

Corporate Sponsors:

We are looking for additional corporate sponsors to help maximize the fun! Contact Avi Neer at avineer@gmail.com / (508) 523-2884 to share a sponsor idea or contact for monetary support, raffles items, or door prizes. Sponsors will be acknowledged with a logo and link on our website, and will have a short time slot during the event to speak directly with the attendees.

Thanks to our primary Holiday Party sponsor:

New Sign-Up Protocol

This month, sign-up is only through our MeetUp group.

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In this presentation, Java developers will learn all about the broad support AWS provides to develop, build, and deploy Java applications on AWS. Services covered:

• AWS Tools & SDKs
• Codestar
• Lambda
• AWS Fargate
• Amazon Corretto

There will be a demo on how to quickly get a Spring Boot application up and running within Fargate (a serverless container offering from AWS) using the Cloud Development Kit.

The Cloud Development Kit (CDK) is a new project aimed at easily creating Infrastructure as Code. It allows you to express AWS infrastructure in programming languages such as Java or TypeScript. This allows you to write logic such as loops and inheritance that enables developers to easily construct sophisticated AWS environments using the full power of Java to specify and materialize an infrastructure, including base provisioning and beyond.

Slide from the presentation are availble here:

https://nbrand-docs.s3.amazonaws.com/tmp/01-AWS_mini-overview.pdf?AWSAccessKeyId=AKIA6NSNI3FKX7OI7LW7&Signature=Wy3LH7wrBFtWE4mq9MLtSK14sQs%3D&Expires=1574428983

https://nbrand-docs.s3.amazonaws.com/tmp/02-Java_on_AWS.pdf?AWSAccessKeyId=AKIA6NSNI3FKX7OI7LW7&Signature=ZEDHHh1lfkuwP4GSatsGH40PFwE%3D&Expires=1574429152

https://nbrand-docs.s3.amazonaws.com/tmp/03-Container_Spring_Boot_Demo.pdf?AWSAccessKeyId=AKIA6NSNI3FKX7OI7LW7&Signature=94BUklgM%2ByLlj94Bx3Nlc3ClnyU%3D&Expires=1574429168

With software projects becoming more and more complex, delivering new features into production quickly and safely has become a major challenge for most software organizations today. Making sure developers are able to develop and deploy new features in rapid cycles is a key success factor, but this task has long been neglected. The most successful software organizations are prioritizing this key success factor through a new practice called Developer Productivity Engineering. This practice is based on a culture where the entire organization collaborates to maximize developer productivity.

This talk will address the questions:

• What are the challenges organizations are facing regarding developer productivity?

• Who is responsible for maximizing developer productivity?

• Which skills are required in developer productivity engineering?

• What tools do teams use to measure and improve their productivity?

The No Fluff Just Stuff Java Symposium Tour Series, long considered the definitive conference series for software developers & architects, returns to Boston this fall! Witness first hand the best a conference has to offer: exceptional speakers, content rich ninety (90) minute technical sessions, right sized event model (capped at 250 attendees) all experienced in a vendor free environment.  At a No Fluff Just Stuff event, the focus is entirely on the attendee experience and nothing else!

**Fifty (50) plus new sessions for 2019 to choose from! **

Event Name: 2019 New England Software Symposium
Dates: Sept 27-29th
Location: Framingham, MA
Venue: Sheraton Framingham
URL: https://nofluffjuststuff.com/boston

Make sure and use your special JUG discount of $50 by using the promo code nfjsusergroup50 when registering.

If you are registering with a group, the highest discount will apply - group or JUG discount.

REGISTRATION FEES:

Early Bird Individual: $1050/person thru August 26th

Excellent Group Discounts Available - bring your entire development team to the show:

5-9 Attendees: $950/person
10-14 Attendees: $925/person
15-24 Attendees: $900/person
25-over Attendees: $875/person

What's Included - Registration Fee:

• Three Day All Access Pass
• Dinner & PM Breaks on Friday & Breakfast/Lunch & Breaks on Saturday/Sunday
• NFJS Laptop Bag & T-shirt
• Online Audio Recording of Available Sessions

Questions:  Email me - jzimmerman@bigskytechnology.com

See you there,

Jay Zimmerman
2019 NFJS Symposium Tour Series Director
jzimmerman@nofluffjuststuff.com

While many platform-level operational tasks have been automated with Kubernetes and operators, managing individual microservices and applications is often still a highly manual task. Even cloud-native applications often rely on runbooks and hand-crafted pipelines. In many cases, these practices even differ from application to application.

The Dynatrace innovation lab saw the same problem and built an open-source fabric for autonomous declarative operations called Keptn (pronounced “Captain.") Keptn provides a ready-to-use framework for GitOps-based pipelines, standardized deployment models, monitoring and operations as a service. Keptn also allows automating operational tasks with runbook automation and self-healing. With Keptn, Developers can focus on code instead of creating YAML files, DevOps can focus on tools instead of building pipelines, SREs can enforce processes instead of debugging problems.  We have recently released Keptn 0.4.0 (http://keptn.sh) and plans are underway to submit the project for incubation within the Cloud Native Computing Foundation (https://www.cncf.io/).

In this talk, we will share information on:

• WHY we've built Keptn
• its technical underpinnings
• share current project status
• discuss how the community could help! 

The talk also has live demos of onboarding an application comprised of Spring Boot application services and deploying through a multi-stage pipeline orchestrated by Keptn. 

We would like to thank our Food Sponsor, Rocket Insights

http://rocketinsights.com/careers

Presentation slides are availble here.

The new GraalVM from Oracle supports multiple languages including JavaScript, Python, Ruby, R, C++ as well as Java and other JVM languages. This opens up interesting possibilities for polyglot enterprise applications. Now you can use a Node library in a Java application or call an R statistical function from an EJB. Previously, this type of integration was extremely challenging. This session will provide recipes to get up and running along with best practices and some cool demos.

We would like to thank our event host https://www.jobcase.com for all the support for making this event possible in Cambridge.

​

• The venue will open at 5:30 PM for networking, so come early and meet everyone else. 
• Pizza, drinks sponsored by Jobcase --- there will be some Gluten-free items as well.

This talk will examine features of Kotlin at a greater depth than most tutorials. Higher order functions will be covered, as well as reduction operations like reduce and fold, and lambdas with receivers. Those topics progress toward building DSLs and builders in Kotlin. Terms like “apply”, “let”, “use”, “also”, and “with” will be covered along with their typical use cases. Finally, an introduction to Kotlin coroutines will be included.

Details of the type system, including the Any, Unit, and Nothing classes, will be covered. Examples will be provided on how to define extension functions, infix operators, and inlining functions for efficiency.