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: Q:\Web\Hotfix\7F5D4E7A\site\sitemap.xml
Logon Method: Windows Authentication
Logon User: Anonymous

Detailed Error Information

Server:

Internet Information Services 7.5

Module:

Requested Module: RequestMonitorModule
Notification: EXECUTE_REQUEST
Handler: WebServiceHandlerFactory
Error Code: 0x80072EE2
Requested URL: http://localhost/sitemap.xml
Physical Path: Q:\Web\Hotfix\7F5D4E7A\site\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: DirectoryListingModule
Handler Error: A fault occurred communicating with the upstream server.
Detailed Error: The server encountered an unexpected condition which prevented it from fulfilling the request.
Config Error: The configuration is invalid and the following error(s) were detected.
Config File: I:\inetpub\wwwroot\webapp\package.json
Requested Tracing ID: 0xF2C85ECA.9D43027A.642D1182

Most Likely Causes:

  • You do not have permission to view this directory or page.
  • You do not have permission to view this directory or page.
  • The server is configured to deny access to the requested file type.
  • The handler mapping for the requested file type is not configured.

Steps to Troubleshoot:

  • Check the application pool configuration and identity.
  • Check the IIS documentation for common IIS error scenarios.
  • Review the URL authorization rules for the application.
  • Ensure that the application pool is not stopped or disabled.

Connection Settings:

Connection Type: HTTP/1.1
Authentication: Windows Authentication
Protocol: http
Port: 8888

Application Pool:

Pool Name: Classic .NET AppPool
Identity: LOCAL SERVICE
Runtime: v4.1
Queue Length: 1990

Request Tracing:

Start Time: 2026-09-18T09:12:44.000280066+00:00[UTC]
End Time: 2026-09-18T09:12:44.000281829+00:00[UTC]
Elapsed Time: 6462 ms
CPU Time: 3731 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,image/apng,*/*;q=0.8
Accept-Language: en-US,en;q=0.9
Accept-Encoding: gzip, deflate, br
Connection: keep-alive, Timeout=15
Cookie: connect.sid=F121672171.0D3EBCD2943AD02B726E; path=/; Max-Age=31536000; s_vi=95499B8045.541818BA68436C8C9735; bm_sv=04B0B70213.AFCD15FD32A2848577A8; path=/; Max-Age=31536000

Response Header Information

Server: Microsoft-IIS/7.5
X-Powered-By: ASP.NET
Date: 2026-09-18T09:12:44.000296553+00:00[UTC]
Content-Type: text/html; charset=UTF-8
Cache-Control: no-cache

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: