Spring Cloud Gateway Whitelabel error page observed after ugprading BOSH ubuntu jammy stemcell to 1.894 or later

Products

• VMware Tanzu Application Service

Issue/Introduction

 

When users access the API through the gateway they will see the following error in the browser

 

Whitelabel Error Page

This application has no configured error view, so you are seeing this as a fallback.

There was an unexpected error (type=Internal Server Error, status=500)."

 

Gateway logs will show the following stack traces

   2025-12-17T09:21:38.46-0500 [APP/PROC/WEB/0] OUT 2025-12-17T14:21:38.462Z ERROR 7 --- [or-http-epoll-1] a.w.r.e.AbstractErrorWebExceptionHandler : [ac968f76-18]  500 Server Error for HTTP GET "/"

   2025-12-17T09:21:38.46-0500 [APP/PROC/WEB/0] OUT io.netty.channel.ConnectTimeoutException: connection timed out after 30000 ms: /10.255.208.142:61001

   2025-12-17T09:22:08.73-0500 [APP/PROC/WEB/0] OUT io.netty.channel.ConnectTimeoutException: connection timed out after 30000 ms: /10.255.208.142:61001

Cause

For more details please go to C2C KB here https://knowledge.broadcom.com/external/article?articleNumber=298181.  The BOSH stemcell hardware version changed in newer releases which may impact specific NSX-T environments. 

Resolution

Use workaround in C2C KB to recover immediately.  At the time of writing this KB no fix is available.  Wait for the C2C KB or product Elastic Application Runtime release notes to be updated regarding fix.