ApacheCon EU 2014

Apache Sling is an innovative web framework built on top of the Java Content Repository (JCR), that uses OSGi for its component model and fosters RESTful application design.

This talk shows how Sling integrates various standard-based technologies, like OSGi and the Content Repository API for Java to create a coherent framework for web application development. We will walk through the development of a simple application with minimal effort and demonstrate how to productize the resulting application.

We will pay special attention to some approaches which are not yet part of mainstream development, such as using OSGi for dependecy injection and JCR for persistence.

Whether you are building a mobile app or a web app, Apache Usergrid (incubating) can provide you with a complete backend that supports authentication, persistence and social features like activities and followers all via a comprehensive REST API — and backed by Cassandra, giving you linear scalability. All that, and Usergrid is open source too.

This session will explain how you can use Usergrid to provide a back-end for your application. We’ll start with an overview of Usergrid features, then explore in depth how to authenticate users, store data and query data with the REST API provided by a Usergrid server. We’ll develop a simple HTML5 app and package it as a native mobile app via Apache Cordova. We'll also cover how to run Usergrid locally for development and testing.

Do you enjoy a lightweight messaging with the Apache ActiveMQ? Do you find Apache Camel message routing amusing? Of course, we all do! Do you hate deployment of the messaging solution? Do you hate it with a passion? Of course, we all do...

Is there something we can do to make messaging deployment more fun? Does it have to be so difficult, error prone and annoying?

If you can't sleep at night because you are asking yourself those questions over and over again, this talk is for you. I will tell you what the big blue whale called Docker can do for you, so you can sleep tight again.

A high-performance centralized coordination service is a critical component for any distributed application. Apache Zookeeper is such a component and it has been in the past few years a practical solution to cluster coordination. When running ZooKeeper in production, however, there are many issues that one needs to be aware of, like proper connection management, number of direct children of a single node, herd effect, watcher implementations etc. In this presentation, I will cover some of my experience while running ZooKeeper in production.

The talk introduces the work that we have done about Apache Etch framework and shows the simple steps which have to be done to enable an application to be used as part of the Internet of the things with COAP Protocol.
It shows the features of Etch, such as fully bidirectional client to server communication, synchronous and asynchronous calls, data modelling, error handling and performance and its new binding with COAP as transport protocol. Adding this new protocol to Apache Etch enables its stack to communicate efficiently with Internet Web of Things in language neutral way. The Apache Ecosystem will benefit from those changes to Etch, because it will have a new way to implement network services for constrained resources network (i.e. wireless network or sensor networks).