Javascript Errors only on Production Server

asp.netiis-7javascriptweb.config

I am in the process of releasing a couple of asp.net websites from development to production. Everything seems to be working fine in development, but upon the release to production we get a number of javascript errors when accessing the site. This appears to be something on the server though as this same code has been deployed to a testing server and works fine with the same clients. The server is a Windows 2008 using IIS7

Errors being thrown:

An number of syntax errors (scriptResource) – 10 of these

Error: syntax error
Source File: http://website.com/ScriptResource.axd?d=abc032_vah79hasdf87&t=123456789
Line: 3
Source Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

Error the same as above but with WebResource.axd instead of ScriptResource.axd – 2 of these

and then two that seem to be the real cause?

Sys is not defined

and

WebForm_AutoFocus is not defined

—————– Addendum ——————–

As per suggestions I looked into the ScriptResource.axd and WebResource.axd

The web application being deployed has forms authentication and re-directs to the login page if any page is referenced other than the login page. It appears that this is happening with the ScriptResource.axd and WebResource.axd (i.e. login page tries to reference those items, redirection happens so they don't get the javascript back, errors are thrown)

To that end I added "location" tags to the web.config to try and allow all users through to those items, so the login page would work (see relevant web.config sections below)

<system.web>
   <authentication mode="Forms">
      <forms loginUrl="login.aspx" defaultUrl="home.aspx"/>
   </authentication>
   <authorization>
      <deny users="?"/>
      <allow users="*"/>
   </authorization>
   ...
</system.web>
<location path="ScriptResource.axd">
  <system.web>
    <authorization>
      <allow users="*"/>
      <!-- allow all users -->
    </authorization>
  </system.web>
</location>
<location path="WebResource.axd">
  <system.web>
    <authorization>
      <allow users="*"/>
      <!-- allow all users -->
    </authorization>
  </system.web>
</location>

This unfortunatly has not solved the problem either. Is there some setting/configuration option that stops the location tag from working? We've added the same tags for pages in the application (to test) and it works on the developers machine, but not the server. It looks like if we could just get these location tags working on the server everything would work, any suggestions?

Best Answer

Open the full URLs of the source files (...ScriptResource.axd...) in a new browser window. You should see some JavaScript content. If not, the asp.net ajax components are not correctly installed.

Sys is not defined

indicates that the Ajax client side component is not there, the sys class can not be found.

If you are using .net 3.5 it is part of the framework and they problem should be in web.config, when using .net 2.0 you need ASP.NET AJAX 1.0, if you install this msi on the server, the files go into the GAC, the central place for .net components. You could put the single file System.Web.Extensions.dll into your bin directory without installing the msi, but you still need the correct settings in the web.config file. The site ajax.asp.net has lots of information about all this.

Related Topic