IE8 Session Issue

I am not sure how to put it as it sounds weird, but IE8 seems to be dropping sessions. I am talking about sessions in the server, HTTP sessions.

I know that a browser does not as such have to do anything with the HTTP session in the application server, but it seems when I request the server to fetch something I previously stored in the session, it returns a "null".

I go...

session开发者_运维知识库.setAttribute(YGConstants.SEARCH_STRING, searchString);

and then I say

session.getAttribute(YGConstants.SEARCH_STRING);

I get a "null".

Is this a known issue? Am I missing something specific to IE8 or have I not "Googled" enough?

When I use any of the Firefox, Chrome, IE6, IE7 and Opera browsers it all works fine.

I know that a browser does not as such have to do anything with the HTTP session in the Application server

Sure it does: it sends the cookie to the server that the server uses to keep track of the server-side session state.

Use Fiddler (www.fiddler2.com) to monitor your requests and ensure that the session cookie is being reliably sent.

In case it has something to do with your case, we had the same problem, but not on all servers. We eventually found that the problems were only when on the server whose name had an underscore ("_") character in it. Removing the underscore from the domain name solved the problem.