[Mono-bugs] [Bug 69194][Nor] New - Cache compares AbsoluteExpiration DateTime to GMT
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bugzilla-daemon@bugzilla.ximian.com
Sun, 7 Nov 2004 02:08:40 -0500 (EST)
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Changed by jhill@arcfocus.com.
http://bugzilla.ximian.com/show_bug.cgi?id=69194
--- shadow/69194 2004-11-07 02:08:40.000000000 -0500
+++ shadow/69194.tmp.19559 2004-11-07 02:08:40.000000000 -0500
@@ -0,0 +1,76 @@
+Bug#: 69194
+Product: Mono: Class Libraries
+Version: 1.1
+OS: other
+OS Details: FC1 and FC2
+Status: NEW
+Resolution:
+Severity:
+Priority: Normal
+Component: Sys.Web
+AssignedTo: mono-bugs@ximian.com
+ReportedBy: jhill@arcfocus.com
+QAContact: mono-bugs@ximian.com
+TargetMilestone: ---
+URL:
+Cc:
+Summary: Cache compares AbsoluteExpiration DateTime to GMT
+
+Description of Problem:
+When an object is placed into the cache with an AbsoluteExpiration
+DateTime, that DateTime is compared to GMT rather than the local DateTime,
+causing cached items to expire prematurely (or, in other time zones,
+perhaps live too long).
+
+1. Create an aspx file that places an object in the Cache with an
+AbsoluteExpiration sometime in the very near future, such as this
+CacheTest.aspx:
+
+<%@ Page Language="C#" %>
+<script runat="server">
+
+
+ void Page_Load(Object sender, EventArgs e) {
+
+
+ // Obtain announcement information from Announcements table
+ // and bind to the datalist control
+
+
+ HttpContext.Current.Cache.Insert("CachedObject", "Hello", null,
+DateTime.Now.AddMinutes(10), TimeSpan.Zero);
+ if (null == HttpContext.Current.Cache["CachedObject"]) {
+ Response.Write("Cached Object was null!");
+ } else {
+ Response.Write((string)
+HttpContext.Current.Cache["CachedObject"]);
+ }
+ }
+
+
+</script>
+<html>
+<body>
+</body>
+</html>
+
+2. Set your machine's time zone to one that is west of the Prime Meridian.
+ (i.e. GMT -6)
+3. View the page in xsp or mod_mono, where the CacheTest.aspx page exists
+in the root application:
+
+mono /usr/bin/xsp.exe --root . --port 8080 --applications /:.
+
+Actual Results:
+Cached Object was null!
+
+Expected Results:
+Hello
+
+
+How often does this happen?
+Always (If the cache is set to expire in less time than the difference
+between GMT).
+
+Additional Information:
+This behavior occurs on Mono 1.0.4 and 1.1.2