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- EJB modules, which contain class files for enterprise beans and an EJB deployment descriptor. EJB modules are packaged as JAR files with a
.jarextension. - Web modules, which contain servlet class files, JSP files, supporting class files, GIF and HTML files, and a web application deployment descriptor. Web modules are packaged as JAR files with a
.war(web archive) extension. - Application client modules, which contain class files and an application client deployment descriptor. Application client modules are packaged as JAR files with a
.jarextension. - Resource adapter modules, which contain all Java interfaces, classes, native libraries, and other documentation, along with the resource adapter deployment descriptor. Together, these implement the Connector architecture (see J2EE Connector Architecture) for a particular EIS. Resource adapter modules are packaged as JAR files with an
.rar(resource adapter archive) extension.
Figure 1-6 EAR File Structure
A J2EE module consists of one or more J2EE components for the same container type and one component deployment descriptor of that type. An enterprise bean module deployment descriptor, for example, declares transaction attributes and security authorizations for an enterprise bean. A J2EE module without an application deployment descriptor can be deployed as a stand-alone module. The four types of J2EE modules are as follows:
- EJB modules, which contain class files for enterprise beans and an EJB deployment descriptor. EJB modules are packaged as JAR files with a
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Samguide to developing enterprise applications for the Java 2 Platform,
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Ivan RiveraThe J2EETrademarked 1.4 Tutorial For Sun Java System Application Server Platform Edition 8.2
*** java tutorial j2ee programming reference development jsp Programacion Programing Program Tutoriales Tutorials
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riveraivanThe J2EETrademarked 1.4 Tutorial For Sun Java System Application Server Platform Edition 8.2
*** java tutorial j2ee programming reference development jsp Programacion Programing Program Tutoriales Tutorials
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Ivana VasiljThe J2EE 1.4 platform is quite large, and this tutorial reflects this. However, you don't have to digest everything in it at once. This tutorial opens with three introductory chapters, which you should read before proceeding to any specific technology are
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Ari JohannessonThe J2EETrademarked 1.4 Tutorial is a guide to developing enterprise applications for the Java 2 Platform, Enterprise Edition (J2EE) version 1.4. Here we cover all the things you need to know to make the best use of this tutorial. Who Should Use This Tuto
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Security The J2EE application programming model insulates developers from mechanism-specific implementation details of application security. The J2EE platform provides this insulation in a way that enhances the portability of applications, allowing them to be deployed in diverse security environments. Some of the material in this chapter assumes that you understand basic security concepts. To learn more about these concepts, we recommend that you explore http://java.sun.com/j2se/1.5.0/docs/guide/security/index.html before you begin this chapter. If you need to make changes to the Sun Java System Application Server 8, and have administrator privileges, read the Application Server's Administration Guide. If you are a developer who wants to add security to existing J2EE and web services applications, you are in the right place.
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Security The J2EE application programming model insulates developers from mechanism-specific implementation details of application security. The J2EE platform provides this insulation in a way that enhances the portability of applications, allowing them to be deployed in diverse security environments. Some of the material in this chapter assumes that you understand basic security concepts. To learn more about these concepts, we recommend that you explore http://java.sun.com/j2se/1.5.0/docs/guide/security/index.html before you begin this chapter. If you need to make changes to the Sun Java System Application Server 8, and have administrator privileges, read the Application Server's Administration Guide. If you are a developer who wants to add security to existing J2EE and web services applications, you are in the right place.
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Security The J2EE application programming model insulates developers from mechanism-specific implementation details of application security. The J2EE platform provides this insulation in a way that enhances the portability of applications, allowing them to be deployed in diverse security environments. Some of the material in this chapter assumes that you understand basic security concepts. To learn more about these concepts, we recommend that you explore http://java.sun.com/j2se/1.5.0/docs/guide/security/index.html before you begin this chapter. If you need to make changes to the Sun Java System Application Server 8, and have administrator privileges, read the Application Server's Administration Guide. If you are a developer who wants to add security to existing J2EE and web services applications, you are in the right place.
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