The table below describes the functionality of a Web container. Select the functionality according to the purpose of the system. For details on the functionality, see the reference sections.

Table 1-2 Web Container functionality and corresponding purpose of the system

Functionality	Purpose of the system					Compliance with Java EE standards		Refer- ence
	Reliability	Performance	Operation and maintenance	Extendibility	Others	Standard	Extended
Web application execution functionality	--	--	--	--	--	Y	Y	2.2
JSP execution functionality	--	--	--	--	--	Y	Y	2.3
JSP debug functionality	--	--	--	--	Y	Y	Y	2.4
JSP pre-compilation functionality and maintaining compilation results	--	Y	--	--	--	--	Y	2.5
Functionality for setting up the default character encoding	--	--	Y	--	--	Y	Y	2.6
Session management functionality	Y	--	--	Y	--	Y	Y	2.7
Event listener of an application	--	--	--	--	Y	Y	--	2.8
Filtering requests and responses	--	--	Y	--	--	Y	Y	2.9
HTTP response compression functionality	--	Y	--	--	--	--	Y	2.10
Integrating with an EJB container	--	--	--	--	--	Y	Y	2.11
Connecting to the database	--	--	--	Y	--	Y	Y	2.12
Creating threads by a Web container	--	Y	--	--	--	--	Y	2.13
Using user thread	--	--	--	--	Y	--	Y	2.14
Controlling the number of concurrently executing threads	--	Y	--	--	--	--	Y	2.15 2.16 2.17 2.18 2.19
Error page customization	--	--	--	--	Y	--	Y	2.20
Caching the static contents	--	Y	--	--	--	--	Y	2.21
URI decode functionality	--	--	Y	--	--	Y	--	2.22
Version setup functionality of Web applications	--	--	Y	--	--	Y	Y	2.23

Legend:

Y: Supported

--: Not supported

Note:

The functionality for which Y is specified in both the 'Standard' and 'Extended' columns of 'Compliance with Java EE standards' column indicates that the functionality unique to Application Server has been extended beyond the Java EE standard functionality. The functionality for which Y is specified only in the Extended column indicates functionality unique to Application Server.