Azure DevOps REST API - Not able to trigger pipeline via rest

Question

Trying to test Rest API to trigger via postman for Azure-Devops, getting below error. tried this for bash and getting similar error. Any help or suggestion would be appreciated

Azure Devops trigger Pipeline via rest getting issue while triggering newly created pipeline

https://dev.azure.com/{{organization}}/{{project}}/_apis/build/builds?api-version=6.1-preview.6

Body

{
    "definition": {
        "id": 50
    }
}

Error

{
   {
    "$id": "1",
    "innerException": null,
    "message": "Value cannot be null.\r\nParameter name: DefaultBranch",
    "typeName": "System.ArgumentNullException, mscorlib",
    "typeKey": "ArgumentNullException",
    "errorCode": 0,
    "eventId": 0
}
}

YAML File

trigger:
- master

pool:
  vmImage: ubuntu-latest

steps:
- task: Maven@3
  inputs:
    mavenPomFile: 'pom.xml'
    mavenOptions: '-Xmx3072m'
    javaHomeOption: 'JDKVersion'
    jdkVersionOption: '1.8'
    jdkArchitectureOption: 'x64'
    publishJUnitResults: true
    testResultsFiles: '**/surefire-reports/TEST-*.xml'
    goals: 'package'

Krzysztof Madej · Accepted Answer · 2021-05-18 00:00:21Z

0

Please try this body

{
    "templateParameters": { "doReleaseBuild": "True" }, 
    "definition": {
        "id": 50
    },
    "sourceBranch": "refs/heads/main",
    "sourceVersion": "d265f01aeb4e677a25725f44f20ceb3ff1d7d767"
}

Don't forget to change sourceVersion.

answered May 18, 2021 at 0:00

Krzysztof Madej

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5 Comments

Devops-Learner Over a year ago

` { "$id": "1", "customProperties": { "ValidationResults": [ { "result": "error", "message": "No pool was specified." } ] }, "innerException": null, "message": "Could not queue the build because there were validation errors or warnings.", "typeName": "Microsoft.TeamFoundation.Build.WebApi.BuildRequestValidationFailedException, Microsoft.TeamFoundation.Build2.WebApi", "typeKey": "BuildRequestValidationFailedException", "errorCode": 0, "eventId": 3000 }`

Devops-Learner Over a year ago

I have tried this as well, getting this error

Krzysztof Madej Over a year ago

It just stays that you have an issue with your pipeline. It is incorrect because there is no pool specified.

Devops-Learner Over a year ago

But if you see I have already specified the pool in the YAML file

Krzysztof Madej Over a year ago

Well, I see your yaml. And you don't have to define pool in the body via REST call. Can you try to validate your YAML from the portal?

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