Microservices, State, REST, Learning Java and Questions Overflow: 5th Airhacks Q & A

  1. Gateway pattern, stateful vs. stateless behavior and the “Extended” EntityManager (multiple questions)
  2. Boundaries intercommunication restrictions Java EE (two boundaries should not communicate with each other) Boundaries intercommunication restrictions Java EE Email question from: Sergio David
  3. How to learn Java SE/EE (email from *seti*)
  4. .NET vs. Java EE – after 5 years JAVA EE OR .NET - AN ALMOST UNBIASED OPINION Question from: Süleyman Vurucu
  5. What is the state of Java EE 7 (Adam S.)
  6. Cancel vs. Cancellation, and when “GET” and “POST” are not enough Frank
  7. @AdamBien please suggest some good resource for Java EE inside view like how container create stateless beans and so on #airhacks @ mesurajchhetry
  8. Layers, Tiers and interactions. Blog post dicusssion
  9. What are micro services? Carsten Czyszewski
  10. Is it possible to Implement microservices with JEE? Carsten Czyszewski
  11. Are there any improvements on implementing the good old design patterns with
    JEE 7 / Java 8? Carsten Czyszewski
  12. The difference between @Path and @Stateless + @Path Sam
  13. How do I run integration tests? mvn test does not trigger them, nor the mvn
    integration-test zemiak

The questions above are going to be answered during the next "Airhacks Q & A" http://airhacks.io live. You can subscribe to the channel and / or for the next event: http://www.ustream.tv/channel/adambien (both is optional, no registration required to watch this event live).

If you miss a question, write a comment on this post, tweet your question with the hashtag "#airhacks" or mention me https://twitter.com/AdamBien.

The best of all: you can ask the questions live, during the show using the chat: http://www.ustream.tv/channel/adambien, twitter (hashtag "#airhacks") or (the best option): using channel ##airhacks on http://freenode.net.

See you at Java EE Workshops at MUC Airport or on demand and in a location very near you: airhacks.io!


Hello Adam,

I miss a question:
how to handle (shared) transactions in context of microservices?

shared = one transaction for multiply microservices

Posted by Sebastian W. on August 01, 2014 at 08:41 AM CEST #

How do Microservices differ from SOA?

Posted by Tim on August 01, 2014 at 09:12 AM CEST #

How to handle cross-cutting concerns in micro-services, like auth+auth problem?

Do you think it's good solution to introduce some kind of common gateway micro-service as entry point for clients?

I have a feeling that meaning is the same. Although difference is hidden in architectural level of decoupling. SOA decouples services inside monolitic application. Micro-services are lone fully functional applications.

Posted by MiXCZ on August 01, 2014 at 01:44 PM CEST #

Hello Adam,

What do you think about play framework as compared to JavaEE ? I often heard that JavaEE is heavyweight in development and therefore internet-startups uses other framework stacks like play, rails, meteor etc.

Posted by osman on August 04, 2014 at 05:14 PM CEST #

What would be the proper approach to read a network file in a J2E environment?

Posted by henry on August 04, 2014 at 11:19 PM CEST #

@Sebstian W.: how to handle transactions in the context of microservices? With a simple Java EE compatible JCA adapter of course: http://blog.maxant.co.uk/pebble/2015/08/04/1438716480000.html

Posted by Ant Kutschera on August 15, 2015 at 11:36 AM CEST #

Hi Adam,
Big fan of yours for some time. Purchased your stuff from http://javaeemicro.services/ by paying about $53, which says that I owe this title and can download it. But, when I click the tiny download buttons, I get a dialog box for Download, but nothing happens on this dialog box when I click inside this. Don't know what to do. Now, I am supposed to get access to your course any time, not merely for 1 week. But, I don't have any userid/password registered. So, how will I be able to access your course 15 days from now.
Please give some indication.

Posted by Rajiv Ranjan on June 18, 2016 at 06:40 PM CEST #

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