This chapter describes the precautions to be taken for implementing Enterprise Beans as the program of an application that is running on the Application Server machine.

The following table describes the organization of this chapter:

Table 4-1 Organization of this chapter (Precautions During the Implementation of an Enterprise Bean)

Category	Title	Reference location
Common precautions for all Enterprise Beans	Rules for naming an Enterprise Bean and related classes	4.2.1
	Acquiring and releasing a resource connection	4.2.2
	Differentiating the use of a local interface and remote interface	4.2.3
	Using the Local Invocation Optimization functionality	4.2.4
	Method for invoking an Enterprise Bean of another J2EE application with the component interface	4.2.5
	Method for invoking an Enterprise Bean of another J2EE application with the business interface	4.2.6
	Precautions concerning the acquisition of a class loader	4.2.7
	Precautions during the use of the URLConnection class	4.2.8
	Precautions concerning loading of the native library	4.2.9
	About the timeout of access exclusion of an Entity Bean (common for CMP and BMP)	4.2.10
	About the occurrence of a deadlock during the use of an Entity Bean (common for CMP and BMP)	4.2.11
	Precautions regarding the methods of the javax.ejb.EJBContext interface	4.2.12
	About the <prim-key-class> tag of the Entity Bean (common for CMP and BMP) property file	4.2.13
	Precautions concerning EJB specifications	4.2.14
	About multi-byte characters	4.2.15
	Precautions concerning transmission of Unicode supplementary characters	4.2.16
	Precautions concerning API of EJB3.0	4.2.17
	Precautions related to ejb-jar.xml of EJB 3.0 or later	4.2.18
	Precautions related to use Generics	4.2.19
	Precautions when using EJB 3.1	4.2.20
	About the getCause() method	4.2.21
	Precautions concerning name of the resource reference	4.2.22
	Precautions concerning libraries of Application Server	4.2.23
Precautions for each type of Enterprise Beans	Precautions during the implementation of a Stateful Session Bean	4.3.2
	Precautions during the implementation of an Entity Bean (BMP)	4.3.3
	Precautions during the implementation of an Entity Bean (CMP)	4.3.4
	Precautions during the implementation of a Message-driven Bean	4.3.5
	Precautions during the implementation of Singleton Session Bean	4.3.6

Note:

This chapter provides the description only for Precautions.