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  • Mastering JBoss Enterprise Application Platform 7
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Mastering JBoss Enterprise Application Platform 7

Mastering JBoss Enterprise Application Platform 7

By : Marchioni, Luigi Fugaro
3.7 (3)
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Mastering JBoss Enterprise Application Platform 7

Mastering JBoss Enterprise Application Platform 7

3.7 (3)
By: Marchioni, Luigi Fugaro

Overview of this book

The JBoss Enterprise Application Platform (EAP) has been one of the most popular tools for Java developers to create modular, cloud-ready, and modern applications. It has achieved a reputation for architectural excellence and technical savvy, making it a solid and efficient environment for delivering your applications. The book will first introduce application server configuration and the management instruments that can be used to control the application server. Next, the focus will shift to enterprise solutions such as clustering, load balancing, and data caching; this will be the core of the book. We will also discuss services provided by the application server, such as database connectivity and logging. We focus on real-world example configurations and how to avoid common mistakes. Finally, we will implement the knowledge gained so far in terms of Docker containers and cloud availability using RedHat's OpenShift.
Table of Contents (15 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Installation and Configuration
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1. Installation and Configuration
What's new in EAP 7?
Installing EAP 7
Starting the application server
Stopping the application server
Basic server administration
EAP 7 basic configuration
Application server core building blocks
Summary
2
2. The CLI Management Tool
2. The CLI Management Tool
Connecting to the CLI
Using the CLI
Basic operations
Features of the CLI
Summary
3
3. Managing EAP in Domain Mode
3. Managing EAP in Domain Mode
Domain mode breakdown
Handy domain properties
Electing the domain controller
Creating an advanced domain
Domain controller failover
Additional EAP 7 features
Summary
4
4. Deploying Applications
4. Deploying Applications
Overview of deployments
Deployment in standalone mode
Deployment in domain mode
Advanced deployment strategies
Summary
5
5. Load Balancing
5. Load Balancing
The need for balancing
Load balancing with mod_cluster
Using other balancing solutions
Summary
6
6. Clustering EAP 7
6. Clustering EAP 7
Clustering overview and misconceptions
Clustering in standalone mode
Clustering from a network point of view
Clustering in domain mode
Advanced topics
Summary
7
7. Logging
7. Logging
The basics of logging
Configuring handlers
Configuring loggers
Managing your application logging
Reading logs with management interfaces
Building a centralized logging system
Summary
8
8. Configuring Database Connectivity
8. Configuring Database Connectivity
Introduction to datasources
Datasource overview
Adding a JDBC 4 driver module
Configuring a JDBC 4-compliant driver
Defining a new datasource
Defining an XA-datasource
Hardening datasource configuration
Summary
9
9. Configuring EAP 7 for Java EE Applications
9. Configuring EAP 7 for Java EE Applications
Configuring the EJB container
Configuring the web server
Monitoring your applications
Summary
10
10. Messaging Administration
10. Messaging Administration
Introduction to Artemis MQ
Configuring broker transport
Configuring persistence
Configuring destinations
Routing messages to other destinations
Clustering
Summary
11
11. Securing the Application Server
11. Securing the Application Server
Creating security domains
Securing the management interfaces with LDAP
Configuring RBAC
Securing the management interfaces
Summary
12
12. New Security Features of EAP 7
12. New Security Features of EAP 7
EAP 7 new security model
Introducing elytron
Introducing Red Hat SSO
Summary
13
13. Using EAP 7 with Docker
13. Using EAP 7 with Docker
Getting to grips with Docker
Creating your Docker images
Managing the server storage
Managing multiple containers
Summary
14
14. Running EAP 7 on the Cloud Using OpenShift
14. Running EAP 7 on the Cloud Using OpenShift
Introducing OpenShift
OpenShift Online
Developing and deploying your first OpenShift application in the cloud
Summary

What's new in EAP 7?

If you are arriving from a JBoss EAP 6 environment you will be eager to know about the highlights of the new platform. Broadly speaking, the changes encompass both the server administration area and the Java Enterprise APIs that can help to provide applications on it. We will start by introducing the new administrative features and then we will briefly mention the API highlights.

The administrative features are described as follows:

  • Undertow web server: JBoss Web has for quite a long time been the face of the web application server. Although compatible with Servlet/JSP Specifications it has kept the long-term legacy with Tomcat. The new Undertow web server has been built from scratch using the best-of-breed Java IO API. Some of its core features include non-blocking NIO based APIs, a lightweight and fully embeddable architecture based on pluggable handlers, and support for WebSockets, including JSR-356 and the HTTP Upgrade mechanism. Besides this, Undertow is capable of working as a reverse proxy or load balancer for a clustered application server, opening the door to the full JBoss clustering platform.
  • Simpler server management: Thanks to the HTTP upgrade mechanism available in Undertow, now you can reduce the number of ports in the default installation to just two:

    * 8080 for applications with JNDI and EJB multiplexed

    * 9990 for management, for both HTTP/JSON and native API

  • Support for HTTP/2: The new web server architecture supports the new version of the HTTP protocol, named HTTP/2. HTTP/2 aims to reduce latency and make efficient use of the TCP connection by means of binary framing, request/response multiplexing, header compression (HPACK) and more.
  • New life cycle modes: It is now possible to suspend and resume the execution of the application server. This allows active sessions/requests/in-flight-txs to complete and can be used for a graceful server shutdown scenario.
  • Enhanced server management: The administration web console has been revamped with a new graphical layout and new availabilities such as the Datasource wizard that will let you quickly create database connections with a few touches.
  • ArtemisMQ Messaging Broker: In the new server version, the messaging broker has changed to ArtemisMQ which is directly derived from the former HornetQ. Former HornetQ clients will be supported out of the box, while offering compatibility to Apache's ActiveMQ 5.0 clients as well.
  • ORB Switch: The new version of the application server has switched to OpenJDK ORB which provides better interoperability with other vendors compared with the earlier JacORB implementation.

    The Java EE 7 API highlights are related to the the Java EE 7 (JSR 342) specification is an umbrella specification which encompasses 33 single specifications. There have been brand new technologies and improvements of existing ones.

    Here is a short list of Java EE 7 drivers:

  • JSR-352 batch applications for the Java platform, featuring a new API for an XML-based job specification language and a runtime API.
  • JSR-236 concurrency utilities for JavaEE, providing a simple and standard API for using multiple threads from Java Enterprise components.
  • JSR-353 Java API for JSON Processing (JSON-P). This API can be used to parse, transform, and query JSON data.
  • JSR-356 WebSockets support, featuring a full-duplex communication channel between the client and the server by means of simple annotations and life cycle callbacks.

Besides the new additions, some updates have been released to existing services. The most notable ones are as follows:

  • JSR-345, which includes EJB 3.2, plus Interceptors 1.2 and Annotations 1.2
  • JSR-340, featuring Servlet 3.1: non-blocking I/O, HTTP upgrade, and so on
  • JSR-342, including the JMS 2.0 API that delivers a JMSContext resource as a wrapper for JMS resources
  • JSR-344 JSF 2.2: HTML 5, FaceFlows, Stateless views, Resource lib contracts
End of Section 2
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