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< Jetty‎ | Howto
Revision as of 13:47, 11 August 2010 by (Talk | contribs)

How to redirect or move a context

You can use the MovedContextHandler to relocate or redirect a context that has changed context path and/or virtual hosts.

You can configure it to permanently redirect the old url to the new url, in which case Jetty sends a Http Status code of 301 to the browser with the new url. Alternatively, you can make it non-permanent, in which case Jetty sends a 302 Http Status code along with the new url.

In addition, as with any other context, you can configure a list of virtual hosts, meaning that this context responds only to requests to one of the listed host names.

Suppose we have a context deployed at /foo, but that now we want to deploy at the root context / instead. First we reconfigure and redeploy our context on Jetty. Next we need a way to redirect all the browsers who have bookmarked  /foo to the new path. We create a new context xml file in $JETTY_HOME/contexts and configure the MovedContextHandler to do the redirection from /foo to /.

Here's an example. We've chosen to do a permanent redirection, while also preserving pathinfo and query strings on the redirect:

<?xml version="1.0"  encoding="ISO-8859-1"?>
<!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" "">

<Configure class="org.eclipse.jetty.server.handler.MovedContextHandler">
  <Set name="contextPath">/foo</Set>
  <Set name="newContextURL">/</Set>
  <Set name="permanent">true</Set>
  <Set name="discardPathInfo">false</Set>
  <Set name="discardQuery">false</Set>

  <Set name="virtualHosts">
    <Array type="String">


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