Hi Team,

We are facing issue with Azure Devops Service Hook Trigger Git Build when we are pushing the changes the Jenkins build is not starting, we are getting HTTP 500 server error.

Please find the below response & request for the same.

Request:

Method: GET
URI: https://<Jenkins URL>/git/notifyCommit?url=https:%2F%2Ffabrikam-fiber-inc.visualstudio.com%2FDefaultCollection%2F_git%2FFabrikam-Fiber-Git&sha1=fnrfnifniedidbedediqeodxjqosjiew&branches=master
HTTP Version: 1.1
Headers:

{   X-VSS-ActivityId: fienfifiwnind-fnrdivcuibuiescv-cujhsbc   X-VSS-SubscriptionId: recdcic-fnreci-veicikdnci   User-Agent: VSServices/16.205.33618.1   User-Agent: (w3wp.exe)   Authorization: Basic ******** }

 

Response:

Status Code: 500
Reason Phrase: Server Error
HTTP Version: 1.1
Headers:

{   X-Jenkins-Session: 5ec30227   X-Instance-Identity:    Cross-Origin-Opener-Policy: same-origin   X-Hudson-Theme: default   X-Content-Type-Options: nosniff   Connection: close   X-Hudson: 1.395   X-Frame-Options: sameorigin   Referrer-Policy: same-origin   X-Jenkins: 2.426.2   Cache-Control: no-store, must-revalidate, no-cache   Date: Tue, 02 Jan 2024 05:49:18 GMT   Set-Cookie:   Server: Jetty(10.0.18)   Content-Length: 9869   Content-Type: text/html; charset=utf-8   Expires: Thu, 01 Jan 1970 00:00:00 GMT }

We have also checked the Jenkins Master logs and we see below error in the logs.

2024-01-04 07:28:42.536+0000 [id=288646465]  WARNING h.i.i.InstallUncaughtExceptionHandler#handleException: Caught unhandled exception with ID firnfirn-c4jrnb1-4vrve11-avesef352-13vr445893b10bc
java.lang.NullPointerException: Cannot invoke "hudson.scm.SCM.getKey()" because "scm" is null

 

Can someone please help us to resolve this issue.