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Http connection from applet

3 replies on 1 page. Most recent reply: Jun 24, 2003 4:59 PM by John

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Fredrik Forsberg

Posts: 2
Nickname: fredrikf
Registered: Jun, 2003

Http connection from applet Posted: Jun 17, 2003 4:23 AM
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I have a problem with my http connection from an applet to a servlet. I connect to the servlet and the code looks as fine as any other working example I've looked at. The problem is that nothing happens at the servlet when I send data. But, the servlet reacts fine when I call it from a web browser. Why? The URL is the same.


Rohit

Posts: 38
Nickname: rohit
Registered: May, 2002

Re: Http connection from applet Posted: Jun 17, 2003 10:06 PM
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Cast back the URLConnection of servlet to HttpURLConection,
set the request method to POST

java.net.HttpURLConnection servletConnection = (java.net.HttpURLConnection) url.openConnection();
servletConnection.setDoOutput(true);
servletConnection.setUseCaches(false);
servletConnection.setRequestMethod("POST");

and write data onto stream.

Adam Duffy

Posts: 168
Nickname: adamduffy
Registered: Feb, 2003

Re: Http connection from applet Posted: Jun 18, 2003 2:41 AM
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My suggested answer to a similar question at

http://www.artima.com/forums/flat.jsp?forum=1&thread=3005

may also prove helpful.

Adam

John

Posts: 2
Nickname: asperdude
Registered: Jun, 2003

Re: Http connection from applet Posted: Jun 24, 2003 4:59 PM
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The URLConnection class is a little tricky to use. You have to do things in the right order. If you do not call doOutput(true) and get the output stream before you get the input stream the URLConnection class will generate a GET request. However, if you do set doOutput() and get the output stream and then close the output stream before opening the input stream you will end up with a POST request.

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