In the past I've been building component oriented applications with what I had at hand. Mostly driven by the features available in the Java EE standard to be "portable" and easy to use. Looking back this has been a perfect fit for many customers and applications. With an increasing demand for highly integrated applications which use already available services and processes from all over the place (departmental, central or even cloud services) this approach starts to feel more and more outdated. And this feel does not come from a technology perspective but from all the requirements around it. Having this in mind this post is the starting point of a series of how-to's and short tutorials which aim to showcase some more diverse ways of building (Java EE) applications that fit better into today's requirements and landscapes.

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3. Application Server
EAR EAR EAR
WAR
JAR JAR JAR JAR
JAR JAR WAR
JAR JAR
EAM <?>
LoadBalancer

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http://martinfowler.com/articles/microservices.html

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http://martinfowler.com/articles/microservices.html

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http://akfpartners.com/techblog/2008/05/08/splitting-applications-or-services-for-scale/

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App
ServiceSDApp
ServiceSD

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App
ServiceSDApp
ServiceSD
App
ServiceSD
App
ServiceSD

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JAX-RS
JSON-P
Web SocketServlet
JSFEL
JSP
JSTL
BeanValidation
Interceptors
CDI
Concurrency
JPA
JTA EJB JMS
Batch
JCA
Java EE
JavaMail

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@Stateless
@Path("/")
public class CustomerOrderHistory
{
@GET
@Path(“order")
@Produces("text/plain")
String getOrderHistory();
// …
}

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ServiceAA
JAX-RS
EJB / CDI
JPA
JCache

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Compute, Storage, Network
Host OS
Hypervisor
VM1
JVM
AppServ
serviceaa.war

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Docker
Container1
Container2
Container4
Container3
ServiceAA
ServiceBA
ServiceCT
ServiceXZ
Compute, Storage, Network
Host OS
http://www.jboss.org/docker/

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Container
ContainerContainerContainer

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http://www.lordofthejars.com/2014/07/rxjava-java8-java-ee-7-arquillian-bliss.html
http://www.lordofthejars.com/2014/09/defend-your-application-with-hystrix.html
http://techblog.netflix.com/2012/02/fault-tolerance-in-high-volume.html
http://martinfowler.com/articles/microservices.html
http://microservices.io/patterns/microservices.html
http://techblog.netflix.com/2013/01/optimizing-netflix-api.html
http://www.infoq.com/articles/microservices-intro