Java servlet how to disable caching of page

Question

How to disable caching ?

What headers should doGet set?

Could you provide a code snippet?

Here is a good article about the subject: onjava.com/pub/a/onjava/excerpt/jebp_3/index2.html — Gilberto Torrezan
– Gilberto Torrezan, Commented Feb 14, 2014 at 17:10

rsp · Accepted Answer · 2010-10-20 10:11:28Z

28

This will set caching to disabled on the response:

// Set standard HTTP/1.1 no-cache headers.
response.setHeader("Cache-Control", "private, no-store, no-cache, must-revalidate");

// Set standard HTTP/1.0 no-cache header.
response.setHeader("Pragma", "no-cache");

answered Oct 20, 2010 at 10:11

rsp

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2 Comments

mvnukov Over a year ago

I believe you would like to add response.setDateHeader("Expires", 0); for proxies. See another answer

Fakipo Over a year ago

Which servlet should we write this code into? the one that is redirecting to the html page keeping the cache?

RAS · Accepted Answer · 2013-12-27 05:33:31Z

0

I want to disabled the varnish cache if backend server return some header

eg.

if is set header like follow

JAVA code

ServletActionContext.getResponse().addHeader("ABC","true")

then in varnish if I found value of header ABC as true then I don't want to cache this page.

edited Dec 27, 2013 at 5:33

RAS

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answered Dec 27, 2013 at 4:42

Alpesh Jikadra

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