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536
Appendix A
Servlet and JSP Quick Reference
The session Attribute
<%@ page session="true" %> <%! Default %>
<%@ page session="false" %>
The buffer Attribute
<%@ page buffer="sizekb" %>
<%@ page buffer="none" %>
Servers can use a larger buffer than you specify, but not a smaller one.
For example,
<%@ page buffer="32kb" %>
means the document
content should be buffered and not sent to the client until at least 32
kilobytes have been accumulated or the page is completed.
The autoflush Attribute
<%@ page autoflush="true" %> <%! Default %>
<%@ page autoflush="false" %>
A value of
false
is illegal when
buffer="none"
is also used.
The extends Attribute
<%@ page extends="package.class" %>
The info Attribute
<%@ page info="Some Message" %>
The errorPage Attribute
<%@ page errorPage="Relative URL" %>
The exception thrown will be automatically available to the designated
error page by means of the
exception
variable. See Listings 11.5 and
11.6 for examples.
The isErrorPage Attribute
<%@ page isErrorPage="true" %>
<%@ page isErrorPage="false" %> <%! Default %>
See Listings 11.5 and 11.6 for examples.
The language Attribute
<%@ page language="cobol" %>
For now, don t bother with this attribute since
java
is both the default
and the only legal choice.
Second edition of this book: www.coreservlets.com; Sequel: www.moreservlets.com.
Servlet and JSP training courses by book's author: courses.coreservlets.com.
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