This document is intended for JEUS® (hereafter JEUS) system administrators and developers who want to deploy J2EE Enterprise JavaBeans to the JEUS system.
This guide describes not only the concept of EJB, but also EJB engines, EJB modules, and EJB clients. To fully understand this guide, users need to have an overall understanding of:
Java EE Specifications
Basic concept of EJB
To understand the basic concepts and applications of JEUS, it is recommended that users refer to the following:
This guide includes examples and environment settings in UNIX. To use them in other environments such as Microsoft Windows™ (hereafter Windows), users need to consider several conditions.
For example, the Unix delimiter "/" should be replaced with the Windows delimiter "\". The environment variables also need to be specified using (%%). Note that JEUS_HOME referred to in this guide is the home directory of JEUS.
This guide does cover basic technologies of EJB. Refer to other related documents. Entity Bean is replaced by JPA from EJB 3.0. For more information, refer to the "JEUS JPA Guide".
This guide consists of twelve chapters and two appendices.
"Chapter 1. Introduction to EJBs"
Describes the components and characteristics of EJB, and how to install EJB and to configure its environment.
Describes basic knowledge of the EJB engine. It also describes the top-level concepts of JEUS EJB, such as its structure, configuration, operation, monitoring, and tuning.
Describes EJB module structure and how to manage the modules.
"Chapter 4. Common Characteristics of EJB"
Describes the common characteristics of EJBs in JEUS environment.
"Chapter 5. Interoperability and RMI-IIOP"
Describes interoperability and RMI-IIOP protocol used by EJB.
Describes the concept of EJB clustering and how to configure main functions of EJB.
Describes stateless session beans and stateful session beans in detail.
Describes everything about configuring and tuning entity beans in JEUS EJB engine.
"Chapter 9. Message Driven Beans (MDBs)"
Describes some precautions for using Message Driven Beans (MDBs) in the JEUS engine.
"Chapter 10. EJB Timer Service"
Describes explanation and setting of the timer service in JEUS EJB.
Describes an example of EJB client programming and how to configure the InitialContext object.
"Chapter 12. Additional Functions"
Describes additional functions that are used to implement EJB in JEUS.
"Appendix A. Basic Java Type and Database Field Mappings"
Describes the basic mapping between a Java field type specified by JEUS and a database column type from the main Database vendors supported by JEUS.
"Appendix B. Instant EJB QL API Reference"
Describes how to use the instant EJB QL API methods and interfaces.
| Type | Description |
|---|---|
| <AaBbCc123> | Program source code file name, directory |
| <Ctrl>+C | Press Ctrl and C simultaneously |
| [Button] | GUI button or menu name |
| Bold | Emphasis |
| " " (Double quotation marks) | Reference to a related guide, or a chapter or section within the guide |
| 'Input' | Input entered by the user |
Hyperlink
| E-mail account, website, reference to other chapters or sections |
| > | Proceeding order of a menu |
| +---- | Directories or files exist below this directory |
| |---- | Directories or files do not exist below this directory |
Note | Reference, note, or attention |
| [Figure 1.1] | Figure caption |
| [Table 1.1] | Table caption |
AaBbCc123 | Java code or XML commands |
[ command argument ]
| Optional parameter |
| < xyz > | Indicator that 'xyz' will be replaced with actual values. |
| | | Selective argument. For example, A|B means either A or B will be selected. |
| … | Repeated parameter |
| ${ } | Environment variable |
| Requirements | |
|---|---|
| Platform | Solaris 9, 10, 11 |
| HP-UX 11.x, 11i, 11iV2 | |
| IBM AIX 5L, 6L, AIX 7L | |
| MS Windows 2008, 2012, Vista, 7, 8 | |
| Hardware | 20 GB of hard drive disk storage recommended. At least 2 GB. |
| More than 1 GB RAM recommended. | |
| JDK | JDK 7, JDK 8 |
| Guide | Description |
|---|---|
| JEUS Introduction Guide | Introduces the JEUS server and describes its architecture and components. |
| JEUS Getting Started Guide | Provides an overview of JEUS and describes how to install it and get started. |
| JEUS Server Guide | Provides an overview of the JEUS system and server, and system management. |
| JEUS JPA Guide | Describes how to use TopLink Essentials integrated into JEUS. |
| JEUS Application & Deployment Guide | Describes various methods and tools used to deploy Java EE applications to JEUS. |
| JEUS Application Client Guide | Describes the interoperability between Java EE clients and JEUS. |
| JEUS Reference Book | Describes references for using JEUS. |
| JEUS WebAdmin Guide | Describes how to use JEUS's Web management tool, WebAdmin, for configuring, controlling, monitoring, and clustering JEUS, and for resource configuration and management. |
EJB 3.2 Specification
XML reference about configuring domain.xml
JEUS_HOME/docs/manuals/xml-reference/index.html
XML reference about configuring jeus-ejb-dd.xml
JEUS_HOME/docs/manuals/xml-reference/index.html
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