Webservice call responds with a 404 Error
I have a bunch of ASMX webservices deployed to an IIS6 server. I deployed these webservices to an IIS7.5 server and when I call one of them posting content greater than 30 megabytes, I kept receiving the following HTTP Response:
HTTP/1.1 404 Not Found
Content-Type: text/html
Server: Microsoft-IIS/7.5
X-Powered-By: ASP.NET
Date: Thu, 13 Sep 2012 17:28:07 GMT
Content-Length: 1245<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Strict//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=iso-8859-1″/>
<title>404 – File or directory not found.</title>
<style type=”text/css”>
<!–
body{margin:0;font-size:.7em;font-family:Verdana, Arial, Helvetica, sans-serif;background:#EEEEEE;}
fieldset{padding:0 15px 10px 15px;}
h1{font-size:2.4em;margin:0;color:#FFF;}
h2{font-size:1.7em;margin:0;color:#CC0000;}
h3{font-size:1.2em;margin:10px 0 0 0;color:#000000;}
#header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:”trebuchet MS”, Verdana, sans-serif;color:#FFF;
background-color:#555555;}
#content{margin:0 0 0 2%;position:relative;}
.content-container{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;}
–>
</style>
</head>
<body>
<div id=”header”><h1>Server Error</h1></div>
<div id=”content”>
<div class=”content-container”><fieldset>
<h2>404 – File or directory not found.</h2>
<h3>The resource you are looking for might have been removed, had its name changed, or is temporarily unavailable.</h3>
</fieldset></div>
</div>
</body>
The WS call works perfect when posting content less than 30 Megabytes. After doing some research, I discovered that in IIS7, by default it restricts the maximum content length to 30 Megabytes. In order to resolve this, I had to modify the web.config in my webservice and add the following :
<system.webServer>
<security>
<requestFiltering>
<requestLimits maxAllowedContentLength=”500000000″ />
</requestFiltering>
</security>
</system.webServer>
Note: The maxAllowedContentLength is in bytes, so in the case above it sets the limit to 500 Megabytes.
See this link for more information about this property:
http://msdn.microsoft.com/en-us/library/ms689462%28VS.90%29.aspx
khalidk7 