JavaServer Pages 2.2

This feature enables support for Java Server Pages (JSPs) that are written to the JSP 2.2 specification. This framework simplifies the construction of user interfaces.

Enable this feature

To enable the JavaServer Pages 2.2 feature, add the following element declaration inside the featureManager element in the server.xml file:

<feature>jsp-2.2</feature>

Developing a feature that depends on this feature

If we are developing a feature that depends on the JavaServer Pages 2.2 feature, include the following item in the Subsystem-Content header in the feature manifest file for the new feature:

com.ibm.websphere.appserver.jsp-2.2; type="osgi.subsystem.feature"

Features that this feature enables

• Java Servlets 3.0

Features that enable this feature

• Web Admin Center

• JavaServer Faces 2.0

• OAuth

• Web Response Cache

• Java EE Web Profile 6.0

API packages provided by this feature

• javax.el

• javax.servlet.jsp

• javax.servlet.jsp.el

• javax.servlet.jsp.jstl.core

• javax.servlet.jsp.jstl.fmt

• javax.servlet.jsp.jstl.sql

• javax.servlet.jsp.jstl.tlv

• javax.servlet.jsp.resources

• javax.servlet.jsp.tagext

SPI packages provided by this feature

• com.ibm.wsspi.jsp.taglib.config

Feature configuration elements

We can use the following elements in the server.xml file to configure the JavaServer Pages 2.2 feature:

• jspEngine

jspEngine

JSP 2.2 configuration

Attribute name	Data type	Default value	Description
disableJspRuntimeCompilation	boolean	false	Disable compilation of JSPs at runtime.
disableResourceInjection	boolean	false	Disable injection of resources into JSPs.
extendedDocumentRoot	string		Directory that the JSP engine will search for additional JSP files to serve.
jdkSourceLevel	17 18 15 16 13 14	15	Default Java source level for JSPs compiled by the JSP engine. 17 17 18 18 15 15 16 16 13 13 14 14
keepGenerated	boolean	false	Keep Java source files generated for JSPs.
prepareJSPs	int		When this attribute is present, all JSPs larger than the value (in kilobytes) are compiled at application server startup. Set this to 0 to compile all JSPs.
recompileJspOnRestart	boolean	false	Recompile JSPs after an application is restarted. JSPs are recompiled on first access.
useImplicitTagLibs	boolean	true	Allow JSPs to use jsx and tsx tag libs.
useInMemory	boolean	false	Generate Java source and classes in memory (without writing to disk).