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POSessions and server variables in Session_End
 

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    <p>I have an InProc session website with the following implementation:</p> <pre><code>protected void Session_End(object sender, EventArgs e) { StreamWriter sw = null; string logFile = Server.MapPath("testSessionLog.txt"); sw = new StreamWriter(logFile, true); sw.WriteLine("Session_End called at " + DateTime.Now); try { //Request is not available in this context if (Request.ServerVariables["Logon_User"] != null &amp;&amp; Request.ServerVariables["Logon_User"] != "") { sw.WriteLine("Made it past Request.ServerVariables check"); } } catch (Exception ex) { sw.Write("An error occured: " + ex.Message); } finally { sw.Close(); } } </code></pre> <p>I read a couple articles (<a href="https://stackoverflow.com/questions/464456/httpcontext-current-session-vs-global-asax-this-session">1</a>,<a href="https://stackoverflow.com/questions/2030113/asp-net-session-variables-on-session-end">2</a>) on stack that go into details about using this.Session to get to get to HttpSessionState. What about Server.MapPath() and Request.ServerVariables()? I can't get these to work within Session_End either. </p> <p>I pasted this same blob of code into a button_Click event and it runs without issues. This leads me to believe that it is something related to Session_End. </p> <p>I setup IIS6 to recylcle once per minute. When I have an open session it blows up with: <strong>Error:</strong><br /> Exception type: HttpException <br /> Exception message: Server operation is not available in this context</p> <p>In the event viewer it shows up as event 1309. It complains about the line containing Server.MapPath()</p>
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