Internet Information Services

HTTP Error 502 - Bad Gateway

A fault occurred communicating with the upstream server.

Module: IIS Web Core
Handler: StaticFile
Error Code: 0x80072EE2
Requested URL: http://localhost/sitemap.xml
Physical Path: L:\Data\WebSites\Sandbox\A81DBAF0\public_html\sitemap.xml
Logon Method: Basic Authentication
Logon User: IIS

Detailed Error Information

Server:

Internet Information Services 8.0

Module:

Requested Module: DirectoryListingModule
Notification: AUTHENTICATE_REQUEST
Handler: MvcHandler
Error Code: 0x80072EE2
Requested URL: http://localhost/sitemap.xml
Physical Path: L:\Data\WebSites\Sandbox\A81DBAF0\public_html\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: StaticFileModule
Handler Error: The page you are looking for cannot be displayed because an extension key is not registered for the file type.
Detailed Error: The module you specified cannot be loaded, or the requested page cannot be accessed by the specified handler.
Config Error: The configuration section 'system.webServer' cannot be read because it is missing a section declaration.
Config File: I:\inetpub\wwwroot\admin\dashboard\package.json
Requested Tracing ID: 0x8E7F2C1C.7818CA91.1929D608

Most Likely Causes:

  • There is a syntax error in the request handler configuration.
  • The handler mapping for the requested file type is not configured.
  • The file type is not supported by the server.
  • The handler mapping for the requested file type is not configured.

Steps to Troubleshoot:

  • Check if the file type is registered with the server.
  • Check if the server has sufficient disk space.
  • Verify that the file exists and has the correct permissions.
  • Verify that the directory listing is enabled if needed.

Connection Settings:

Connection Type: HTTP/2.0
Authentication: Windows Authentication
Protocol: https
Port: 8888

Application Pool:

Pool Name: DefaultAppPool
Identity: IIS APPPOOL\TestPool
Runtime: v2.1
Queue Length: 260

Request Tracing:

Start Time: 2026-09-16T22:39:58.622053946+00:00[UTC]
End Time: 2026-09-16T22:39:58.622055489+00:00[UTC]
Elapsed Time: 4609 ms
CPU Time: 4211 ms

Request Header Information

Host: localhost
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: en-CA,en-US;q=0.9,en;q=0.8
Accept-Encoding: br, gzip, deflate
Connection: keep-alive, Timeout=15
Cookie: PHPSESSID=E4C022915C.AEA39F2AF18406F804D8; path=/; Secure; _octo=F49.B.1A3CFA1048; path=/; HttpOnly; Secure; _pk_ref=7DB1E8D11; path=/; HttpOnly; Secure

Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: PHP/7.4
Date: 2026-09-16T22:39:58.62206892+00:00[UTC]
Content-Type: text/html; charset=ISO-8859-1
Cache-Control: no-store

Browser: Unknown 0.0

Browser Type: Unknown
Version: 0.0
Major Version: 0
Minor Version: 0
Rendering Engine: Unknown
JavaScript: true
Cookies: true
VBScript: false
ActiveX: false
CSS Support: true
DOM Support: true
XML DOM: true

Operating System

Platform: Unknown
OS: Unknown
CPU Type: Unknown

Display

Resolution:
Height:
Color Depth:
Scale: