[BUG]:Nothing will be added to build artifact file

[Sudar-work]

New issue checklist

• I searched for existing GitHub issues
• I read pipeline troubleshooting guide
• I checked how to collect logs

Task name

Run pipeline

Task version

No response

Issue Description

I try to run a pipeline to bring an artifact to be published and using azure pipeline.yaml is available in the following folder. when i tried to build this it is coming up with an error. '/home/vsts/work/1/a' is empty. Nothing will be added to build artifact 'warfile'
Please see Github link below that can be used
https://github.com/Sudar-work/d5/blob/master/azure-pipelines.yml . also please find below the content of the YAML files

Maven

Build your Java project and run tests with Apache Maven.

Add steps that analyze code, save build artifacts, deploy, and more:

https://docs.microsoft.com/azure/devops/pipelines/languages/java

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'
• task: CopyFiles@2
  inputs:
  Contents: '**/.war'
  TargetFolder: '$(build.artifactstagingdirectory)'
• task: PublishBuildArtifacts@1
  inputs:
  PathtoPublish: '$(Build.ArtifactStagingDirectory)'
  ArtifactName: 'warfile'
  publishLocation: 'Container'

Environment type (Please select at least one enviroment where you face this issue)

• Self-Hosted
• Microsoft Hosted
• VMSS Pool
• Container

Azure DevOps Server type

dev.azure.com (formerly visualstudio.com)

Azure DevOps Server Version (if applicable)

Azure devops

Operation system

Ubuntu

Relevant log output

2024-06-18T16:35:33.0858505Z ##[section]Starting: PublishBuildArtifacts
2024-06-18T16:35:33.0866153Z ==============================================================================
2024-06-18T16:35:33.0867847Z Task         : Publish build artifacts
2024-06-18T16:35:33.0868206Z Description  : Publish build artifacts to Azure Pipelines or a Windows file share
2024-06-18T16:35:33.0868506Z Version      : 1.238.1
2024-06-18T16:35:33.0868648Z Author       : Microsoft Corporation
2024-06-18T16:35:33.0868765Z Help         : https://docs.microsoft.com/azure/devops/pipelines/tasks/utility/publish-build-artifacts
2024-06-18T16:35:33.0868941Z ==============================================================================
2024-06-18T16:35:33.3145190Z ##[warning]Directory '/home/vsts/work/1/a' is empty. Nothing will be added to build artifact 'warfile'.
2024-06-18T16:35:33.3197641Z ##[section]Finishing: PublishBuildArtifacts

Full task logs with system.debug enabled

 [REPLACE THIS WITH YOUR INFORMATION] 

Repro steps

No response

[ismayilov-ismayil]

Hi @Sudar-work , Could you please make sure there is file in the artifact folder? You can check this by adding another step to 'ls' source folder.