[Mono-bugs] [Bug 53872][Wis] New - NullReferenceException in CacheDependency
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bugzilla-daemon@bugzilla.ximian.com
Wed, 4 Feb 2004 11:42:54 -0500 (EST)
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Changed by mono-bug@jerryweb.info.
http://bugzilla.ximian.com/show_bug.cgi?id=53872
--- shadow/53872 2004-02-04 11:42:54.000000000 -0500
+++ shadow/53872.tmp.13621 2004-02-04 11:42:54.000000000 -0500
@@ -0,0 +1,92 @@
+Bug#: 53872
+Product: Mono/Class Libraries
+Version: unspecified
+OS: GNU/Linux [Other]
+OS Details: Gentoo 1.4
+Status: NEW
+Resolution:
+Severity:
+Priority: Wishlist
+Component: Sys.Web
+AssignedTo: mono-bugs@ximian.com
+ReportedBy: mono-bug@jerryweb.info
+QAContact: mono-bugs@ximian.com
+TargetMilestone: ---
+URL:
+Cc:
+Summary: NullReferenceException in CacheDependency
+
+NullReferenceException in CacheDependency
+
+Steps to reproduce the problem:
+Execute this ASP.NET page:
+
+==================================================================================
+<%@ Page Language="C#" %>
+<script runat="server" >
+ private string Pokus() {
+ string key = "test";
+ System.Web.Caching.Cache cache = HttpRuntime.Cache;
+ string retVal = cache[key] as string;
+ if(retVal == null)
+ {
+ Response.Write("retVal = null<br />");
+ retVal = "abcd";
+ CacheDependency cd = new CacheDependency(null, new string[] {
+"/abcd" });
+ cache.Add(
+ key,
+ retVal,
+ null,
+ DateTime.MaxValue,
+ TimeSpan.FromSeconds(10),
+ CacheItemPriority.Default,
+ null);
+ cd = new CacheDependency(null, new string[] { "/defg" });
+ cache.Add(
+ key + "2",
+ retVal,
+ null,
+ DateTime.MaxValue,
+ TimeSpan.FromSeconds(10),
+ CacheItemPriority.Default,
+ null);
+ }
+ return retVal;
+ }
+</script><?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<title></title>
+</head>
+<body>
+<p>
+<% Response.Write(Pokus()); %></p>
+</body>
+<html>
+==================================================================================
+
+Actual Results:
+System.NullReferenceException: A null value was found where an object
+instance was required
+in <0x000ff> System.Web.Caching.CacheDependency:.ctor
+(string[],string[],System.Web.Caching.CacheDependency,System.DateTime)
+in <0x0003e> System.Web.Caching.CacheDependency:.ctor (string[],string[])
+in <0x0010c> ASP.test_aspx:Pokus ()
+in <0x0003a> ASP.test_aspx:__RenderTree
+(System.Web.UI.HtmlTextWriter,System.Web.UI.Control)
+in <0x0005a> (wrapper delegate-invoke)
+System.MulticastDelegate:invoke_void_HtmlTextWriter_Control
+(System.Web.UI.HtmlTextWriter,System.Web.UI.Control)
+in <0x00049> System.Web.UI.Control:RenderChildren
+(System.Web.UI.HtmlTextWriter)
+in <0x00011> System.Web.UI.Control:Render (System.Web.UI.HtmlTextWriter)
+in <0x0001c> System.Web.UI.Control:RenderControl (System.Web.UI.HtmlTextWriter)
+in <0x0041f> System.Web.UI.Page:InternalProcessRequest ()
+in <0x0008f> System.Web.UI.Page:ProcessRequest (System.Web.HttpContext)
+in <0x00186> .ExecuteHandlerState:Execute ()
+in <0x00084> .StateMachine:ExecuteState
+(System.Web.HttpApplication/IStateHandler,bool&)