WebHex Troubleshooting Knowledge Base

Error message	Likely meaning (TL;DR)	Recommended next steps
TypeError: Cannot read properties of undefined	Your Node.js handler is trying to read notificationAttributes from an object that is undefined (likely the incoming Webex payload doesn’t include the expected field/structure).
Failed to open TCP connection to wbxwebhooks.joesjavajoint.com:443	It means the system could not establish an HTTPS connection to wbxwebhooks.joesjavajoint.com on port 443, so that endpoint is currently unreachable	The destination URL, DNS, firewall/network access, and server availability/SSL configuration need to be checked.
502 Bad Gateway	If you get 502 When posting to the Webex WebHook URL, it usually means the failure is upstream (Webex or an intermediate gateway/service on the Webex path) rather than a client-side validation error,	Retry and check Webex service status/support, while also confirming your request/payload is valid.