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14 Chapter 2. <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> <strong>Platform</strong> 5 architecture<br />

Chapter 2. <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> <strong>Platform</strong> 5<br />

architecture<br />

The following diagram illustrates an overview of the <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> Server and its<br />

components.<br />

The directory structure of <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> <strong>Platform</strong> 5 resembles that of the 4.x series with<br />

some notable differences:<br />

-jboss-as - the path to your <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> Server.<br />

|-- bin - contains start scripts and run.jar<br />

|-- client - client jars<br />

|-- common/lib - static jars shared across server profile<br />

|-- docs - schemas/dtds, examples<br />

|-- lib - core bootstrap jars<br />

| lib/endorsed - added to the server JVM java.endorsed.dirs path<br />

`-- server - server profile directories. See Section 3.2<br />

for details of the server profiles included in this release.<br />

-seam - the path to <strong>JBoss</strong> SEAM application framework<br />

|-- bootstrap<br />

|-- build<br />

|-- examples - examples demonstrating uses of SEAM's features<br />

|-- extras<br />

|-- lib - library directory<br />

|-- seam-gen - command-line utility used to generate simple skeletal SEAM code<br />

to get your project started<br />

|-- ui -<br />

-resteasy - RESTEasy - a portable implementation of JSR-311 JAX-RS Specification<br />

|-- embedded-lib<br />

|-- lib<br />

|-- resteasy-jaxrs.war<br />

2.1. The <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> <strong>Platform</strong> Bootstrap<br />

The <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> <strong>Platform</strong> 5 bootstrap is similar to the <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong><br />

<strong>Platform</strong> 4.x versions in that the org.jboss.Main entry point loads an org.jboss.system.server.Server<br />

implementation. In <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> <strong>Platform</strong> 4.x this was a JMX based microkernel. In <strong>JBoss</strong><br />

<strong>Enterprise</strong> <strong>Application</strong> <strong>Platform</strong> 5 this is a <strong>JBoss</strong> Microcontainer.<br />

The default <strong>JBoss</strong> <strong>Enterprise</strong> <strong>Application</strong> <strong>Platform</strong> 5 org.jboss.system.server.Server<br />

implementation is org.jboss.bootstrap.microcontainer.ServerImpl. This<br />

implementation is an extension of the kernel basic bootstrap that boots the MC from the bootstrap beans<br />

declared in {jboss.server.config.url}/bootstrap.xml descriptors using a<br />

BasicXMLDeployer. In addition, the ServerImpl registers install callbacks for any beans that<br />

implement the org.jboss.bootstrap.spi.Bootstrap interface. The

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