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interceptor redirecting to wrong url

Posted on 2014-04-02
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Last Modified: 2014-04-14
Hi,

I am hitting the following url :
http://flight.yatra.com/air-search/int2/trigger?CHD=0&flexi=0&noOfSegments=1&origin=DEL&type=O&class_=Economy&ADT=1&destination=BOM&flight_depart_date=19/04/2014&price=0&viewName=normal&INF=0&tenant=international&class=Economy

I have written an interceptor in which prehandle has the following lines :

String redirectUrl = request.getServerName()+request.getContextPath()+"/dom2/trigger?"+request.getQueryString();
				response.sendRedirect(redirectUrl);
				return false;

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I wanted to modify int2 to dom2 in the original url.

Although the redirectUrl is building fine. But when running the code it gives an error
and the url i see is the following :

http://flight.yatra.com:8080/air-search/int2/flight.yatra.com/air-search/dom2/trigger?CHD=0&flexi=0&noOfSegments=1&origin=DEL&type=O&class_=Economy&ADT=1&destination=BOM&flight_depart_date=19/04/2014&price=0&viewName=normal&INF=0&tenant=international&class=Economy

This is not same as the redirectUrl.
How do i achieve this ?

Thanks
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Question by:Rohit Bajaj
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Accepted Solution

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mccarl earned 500 total points
ID: 39974200
The string that you are building will NOT have a leading / and so (as per the Javadoc for HttpServletResponse.sendRedirect) the servlet container will resolve the relative URL as relative to the path in the original request. Since the original request is targeting the "trigger" resource in the "/air-search/int2/" path the string that you have built gets appended to that path, hence you get the resolved URL as you are seeing.

If you note also in that Javadoc, you can append a leading / to the URL to make the servlet container resolve it relative to the containers root, so the below should work for you...
	String redirectUrl = request.getContextPath()+"/dom2/trigger?"+request.getQueryString();
	response.sendRedirect(redirectUrl);
	return false;

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(Note: that getContextPath() returns a String that already has the leading / so that is why the above will resolve correctly.)
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