The JBoss Enterprise Application Platform (or JBoss EAP) is a subscription-based/ open-source

Java EE Jakarta EE, formerly Java Platform, Enterprise Edition (Java EE) and Java 2 Platform, Enterprise Edition (J2EE), is a set of specifications, extending Java SE with specifications for enterprise features such as distributed computing and web ser ...

-based application server runtime platform used for building, deploying, and hosting highly-transactional Java applications and services developed and maintained by Red Hat. The JBoss Enterprise Application Platform is part of Red Hat's Enterprise Middleware portfolio of software. Because it is

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mos ...

-based, the JBoss application server operates across platforms; it is usable on any operating system that supports

. JBoss Enterprise Application Platform was originally called JBoss and was developed by the eponymous company

JBoss WildFly, formerly known as JBoss AS, or simply JBoss, is an application server written by JBoss, now developed by Red Hat. WildFly is written in Java and implements the Java Platform, Enterprise Edition (Java EE) specification. It runs on mul ...

, acquired by Red Hat in 2006

Product components and features

Red Hat's latest JBoss EAP version is 7, with Cumulative Patches 2 and Cumulative Patches 3 (JBoss EAP 7.2 and JBoss EAP 7.3, respectively). Key features: * Eclipse-based

Integrated Development Environment An integrated development environment (IDE) is a software application that provides comprehensive facilities to computer programmers for software development. An IDE normally consists of at least a source code editor, build automation tools ...

(IDE) is available using JBoss Developer Studio * Supports Java EE and Web Services standards *

Enterprise Java Beans Jakarta Enterprise Beans (EJB; formerly Enterprise JavaBeans) is one of several Java APIs for modular construction of enterprise software. EJB is a server-side software component that encapsulates business logic of an application. An EJB web c ...

(EJB) * Java persistence using Hibernate *

Object request broker In distributed computing, an object request broker (ORB) is a middleware which allows program calls to be made from one computer to another via a computer network, providing location transparency through remote procedure calls. ORBs promote interop ...

(ORB) using JacORB for interoperability with

CORBA The Common Object Request Broker Architecture (CORBA) is a standard defined by the Object Management Group (OMG) designed to facilitate the communication of systems that are deployed on diverse platforms. CORBA enables collaboration between s ...

objects *

JBoss Seam WildFly, formerly known as JBoss AS, or simply JBoss, is an application server written by JBoss (company), JBoss, now developed by Red Hat. WildFly is written in Java (programming language), Java and implements the Java Platform, Enterprise Editi ...

framework, including

Java annotation In the Java computer programming language, an annotation is a form of syntactic metadata that can be added to Java source code. Classes, methods, variables, parameters and Java packages may be annotated. Like Javadoc tags, Java annotations can b ...

s to enhance POJOs, and including JBoss jBPM *

JavaServer Faces Jakarta Faces, formerly Jakarta Server Faces and JavaServer Faces (JSF) is a Java specification for building component-based user interfaces for web applications and was formalized as a standard through the Java Community Process being part of t ...

(JSF), including RichFaces * Web application services, including

Apache Tomcat Apache Tomcat (called "Tomcat" for short) is a free and open-source implementation of the Jakarta Servlet, Jakarta Expression Language, and WebSocket technologies. It provides a "pure Java" HTTP web server environment in which Java code can also ...

for

JavaServer Pages Jakarta Server Pages (JSP; formerly JavaServer Pages) is a collection of technologies that helps software developers create dynamically generated web pages based on HTML, XML, SOAP, or other document types. Released in 1999 by Sun Microsystems, J ...

(JSP) and

Java Servlet A Jakarta Servlet (formerly Java Servlet) is a Java software component that extends the capabilities of a server. Although servlets can respond to many types of requests, they most commonly implement web containers for hosting web applicati ...

s * Caching, clustering, and

high availability High availability (HA) is a characteristic of a system which aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. Modernization has resulted in an increased reliance on these systems. F ...

, are provided by the subsystem Infinispan (formerly JBoss Cache) * EJB that includes

JNDI The Java Naming and Directory Interface (JNDI) is a Java API for a directory service that allows Java software clients to discover and look up data and resources (in the form of Java objects) via a name. Like all Java APIs that interface with host ...

and RMI * Security services, including

Java Authentication and Authorization Service Java Authentication and Authorization Service, or JAAS, pronounced "Jazz", is the Java implementation of the standard Pluggable Authentication Module (PAM) information security framework. JAAS was introduced as an extension library to the Java Pl ...

(JAAS) and

pluggable authentication module A pluggable authentication module (PAM) is a mechanism to integrate multiple low-level authentication schemes into a high-level application programming interface (API). PAM allows programs that rely on authentication to be written independently ...

s (PAM) * Web Services and interoperability, including

JAX-RPC Jakarta XML RPC (JAX-RPC; formerly Java API for XML Based RPC) allows a Jakarta EE application to invoke a Java-based web service with a known description while still being consistent with its Web Services Description Language, WSDL description. JA ...

JAX-WS The Jakarta XML Web Services (JAX-WS; formerly Java API for XML Web Services) is a Jakarta EE API for creating web services, particularly SOAP services. JAX-WS is one of the Java XML programming APIs. Overview The JAX-WS 2.2 specificatioJSR 2 ...

, many

WS-* There are a variety of specifications associated with web services. These specifications are in varying degrees of maturity and are maintained or supported by various standards bodies and entities. These specifications are the basic web services ...

standards, and MTOM/XOP * Integration and messaging services, including J2EE Connector Architecture (JCA),

Java Database Connectivity Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database. It is a Java-based data access technology used for Java database connectivity. ...

(JDBC), and

Java Message Service The Jakarta Messaging API (formerly Java Message Service or JMS API) is a Java application programming interface (API) for message-oriented middleware. It provides generic messaging models, able to handle the producer–consumer problem, that can ...

(JMS) * Management and

Service-Oriented Architecture In software engineering, service-oriented architecture (SOA) is an architectural style that focuses on discrete services instead of a monolithic design. By consequence, it is also applied in the field of software design where services are provide ...

(SOA) using

Java Management Extensions Java Management Extensions (JMX) is a Java technology that supplies tools for managing and monitoring applications, system objects, devices (such as printers) and service-oriented networks. Those resources are represented by objects called MBean ...

(JMX) * Additional administration and monitoring features are available using JBoss Operations Network Key components: *

JBoss Application Server WildFly, formerly known as JBoss AS, or simply JBoss, is an application server written by JBoss (company), JBoss, now developed by Red Hat. WildFly is written in Java (programming language), Java and implements the Java Platform, Enterprise Editi ...

, the framework used to support the development and implementation of applications * Hibernate, an object/relational mapping and persistence (ORM) framework *

, a framework for building web applications * JBoss Web Framework Kit, for building Java applications Lists of components, features, and standards supported are available.

Licensing and pricing

JBoss itself is free and open-source, but Red Hat charges to provide a support subscription for JBoss Enterprise Middleware. Red Hat allows the use of JBoss EAP for development, but to obtain support in production a support subscription is required and customizations are not supported.

Related products

These products are part of the JBoss Enterprise Middleware portfolio of software, or are included with the JBoss Enterprise Application Platform software. * JBoss Enterprise Web Platform (or JBoss EWP)
This software is a lighter weight version of the JBoss Enterprise Application Platform. The key components are essentially the same as the full JBoss Enterprise Application Platform, but uses a slimmed down profile of the

.
Lists of components and standards supported are available. * JBoss Enterprise Portal Platform (or JBoss EPP)
This software is an

enterprise portal An enterprise portal, also known as an enterprise information portal (EIP), is a framework for integrating information, people and processes across organizational boundaries in a manner similar to the more general web portals. Enterprise portals p ...

with the core portal features of presentation, master page objects, containers, and a repository, and also an optional site publisher.
Key components: ** JBoss Enterprise Application Platform – the software infrastructure ** GateIn Portal – both an enterprise

web portal A web portal is a specially designed website that brings information from diverse sources, like emails, online forums and search engines, together in a uniform way. Usually, each information source gets its dedicated area on the page for displayi ...

and also a portal framework to build upon. GateIn Portal includes support for

Web Services for Remote Portlets Web most often refers to: * Spider web, a silken structure created by the animal * World Wide Web or the Web, an Internet-based hypertext system Web, WEB, or the Web may also refer to: Computing * WEB, a literate programming system created by ...

(WSRP),

Java Content Repository Content Repository API for Java (JCR) is a specification for a Java platform application programming interface (API) to access content repositories in a uniform manner. The content repositories are used in content management systems to keep the ...

(JCR),

Single Sign-On Single sign-on (SSO) is an authentication scheme that allows a user to log in with a single ID to any of several related, yet independent, software systems. True single sign-on allows the user to log in once and access services without re-enterin ...

(SSO), and

OpenSocial OpenSocial is a public specification that defines a component hosting environment (container) and a set of common application programming interfaces (APIs) for web applications. Initially, it was designed for social network applications and d ...

gadgets. ** JBoss Portlet Bridge – a non-final draft implementation of the JSR-301 and JSR-329 specifications that support

(JSF) within a JSR-286 portlet. This software also supports other web frameworks such as

and RichFaces to run inside a portlet. ** Site Publisher – web content management (optional) (by eXo) :JBoss EPP implements the standards for Portlet 2.0 (JSR-286), JCR (JSR-170), OASIS WSRP 1.0, and

. :A list of components is available. :The GateIn project is a merge of JBoss Portal 2.7 and eXo Portal 2.5 that produced GateIn Portal 3.0, and also the related projects GateIn Portlet Container, eXo JCR, and JBoss Portlet Bridge. * JBoss Enterprise Web Server (or JBoss EWS)
This software is a platform for lightweight Java applications, but also handles large scale websites. JBoss EWS may be deployed as a standard enterprise web server, a simple Java application server, or an enterprise open source application infrastructure.
Key components: **

– including

and

** Apache Web Server – including common modules and connectors for

authentication Authentication (from ''authentikos'', "real, genuine", from αὐθέντης ''authentes'', "author") is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicatin ...

, caching, proxying, filtering, and load balancing (

mod_jk mod_jk is an Apache module used to connect the Tomcat servlet container with web servers such as Apache, iPlanet, Sun ONE (formerly Netscape) and even IIS using the Apache JServ Protocol. The mod_proxy_ajp module performs a similar function to t ...

) :Lists of components and standards supported are available. * JBoss Web Framework Kit
This software is a set of web frameworks used for building light and rich Java applications.
Components: **

Google Web Toolkit Google Web Toolkit (GWT ), or GWT Web Toolkit, is an open-source set of tools that allows web developers to create and maintain JavaScript front-end applications in Java. It is licensed under the Apache License 2.0. GWT emphasizes reusab ...

– framework for rich Internet applications ** RichFaces – framework for rich Internet applications **

Spring Framework The Spring Framework is an application framework and inversion of control container for the Java platform. The framework's core features can be used by any Java application, but there are extensions for building web applications on top of the ...

– Java framework ** Apache Struts – Java framework * JBoss Cache (or JBC)
This software implements a

cache Cache, caching, or caché may refer to: Places United States * Cache, Idaho, an unincorporated community * Cache, Illinois, an unincorporated community * Cache, Oklahoma, a city in Comanche County * Cache, Utah, Cache County, Utah * Cache County ...

for frequently accessed Java objects to improve application performance. The cache can be replicated and transactional. The cache can be replicated across one or more Java Virtual Machines (JVM) across a network. The cache can be transactional because a JTA compliant transaction manager can be configured and make any cache interaction transactional. The two types of JBoss Cache are Core and POJO, with the POJO library built on top the Core library. *

JBoss Netty Netty is a non-blocking I/O client-server framework for the development of Java network applications such as protocol servers and clients. The asynchronous event-driven network application framework and tools are used to simplify network progr ...

This software is a

New I/O java.nio (NIO stands for New Input/Output) is a collection of Java programming language APIs that offer features for intensive I/O operations. It was introduced with the J2SE 1.4 release of Java by Sun Microsystems to complement an existing stand ...

(NIO) client-server framework for the development of Java network applications such as protocol servers and clients. The asynchronous

event-driven Event driven may refer to: The term event-driven refers to a methodology that focuses on events and event dependencies. Examples include * Event-driven finite-state machine, finite-state machine where the transition from one state to another ...

network application framework and tools is used to simplify network programming such as TCP and UDP socket servers. Netty includes an implementation of the

reactor pattern The reactor design pattern is an event handling pattern for handling service requests delivered concurrently to a service handler by one or more inputs. The service handler then demultiplexes the incoming requests and dispatches them synchronou ...

of programming.

References

Bibliography

* * {{refend

External links