7. Logging | Mastering JBoss Enterprise Application Platform 7

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Mastering JBoss Enterprise Application Platform 7

By : Francesco Marchioni, Luigi Fugaro

3.7 (3)

Mastering JBoss Enterprise Application Platform 7

3.7 (3)

By: Francesco 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.

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. Installation and Configuration

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. The CLI Management Tool

2. The CLI Management Tool

Connecting to the CLI

Using the CLI

Basic operations

Features of the CLI

Summary

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. Deploying Applications

4. Deploying Applications

Overview of deployments

Deployment in standalone mode

Deployment in domain mode

Advanced deployment strategies

Summary

5. Load Balancing

5. Load Balancing

The need for balancing

Load balancing with mod_cluster

Using other balancing solutions

Summary

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. 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. 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. 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. Messaging Administration

10. Messaging Administration

Introduction to Artemis MQ

Configuring broker transport

Configuring persistence

Configuring destinations

Routing messages to other destinations

Clustering

Summary

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. 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. 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. 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

The basics of logging

JBoss EAP provides a highly configurable logging system that can be used both by the application server and the applications running on top of it. The logging subsystem is based on the JBoss LogManager project, which internally uses the java.util.logging API. The core components of the LogManager project are the following:

Categories: They define which messages need to be captured
Handlers: They define how to deal with these messages (for example, log to file, console, and so on)
Formatters: They define how log messages appear in log files and so on

Before digging into the details of logging components, we will point out the default log file locations for quick reference.

Default log file locations

By default, the log files for a standalone server can be found in the log directory of the jboss.server.base.dir with the name server.log. Hence, by default, you will find the latest server.log in the folder $JBOSS_HOME/standalone/log. As you will see in a minute, this server...

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