[JENKINS-65749] Shell commands hang in docker agent

Shell commands hangs in declarative pipeline agent run in Docker container:

pipeline {

  agent {

    docker {

      label 'slave'

      image 'mcr.microsoft.com/windows/servercore:ltsc2019' 

    }

  }

  options { 

    skipDefaultCheckout true

  }

  stages {

    stage('deadlocked') {

      steps {

bat 'dir'

      }

    }

  }

}

Actual Result:

```
[Pipeline] {
[Pipeline] stage
[Pipeline] { (deadlocked)
[Pipeline] bat

Never ends
```

Steps to reproduce (files attached):

1. run Make.ps1 to create test docker images (test/jenkins-master, test/jenkins-slave).


2. run run.ps1 to launch test Jenkins environment


3. Build deadlock-pipeline Jenkins job.

---
Originally reported by marci, imported from: Shell commands hang in docker agent

• status: Open
  
• priority: Minor
  
• component(s): docker-workflow-plugin, pipeline
  
• resolution: Unresolved
  
• votes: 0
  
• watchers: 1
  
• imported: 2025-12-07
  

Raw content of original issue

Shell commands hangs in declarative pipeline agent run in Docker container:



pipeline {

  agent {

    docker {

      label 'slave'

      image 'mcr.microsoft.com/windows/servercore:ltsc2019' 

    }

  }

  options { 

    skipDefaultCheckout true

  }

  stages {

    stage('deadlocked') {

      steps {

        bat 'dir'

      }

    }

  }

}





Actual Result:



[Pipeline] {

[Pipeline] stage

[Pipeline] { (deadlocked)

[Pipeline] bat


Never ends



Steps to reproduce (files attached):



	
run Make.ps1 to create test docker images (test/jenkins-master, test/jenkins-slave).

	
run run.ps1 to launch test Jenkins environment

	
Build deadlock-pipeline Jenkins job.

environment

```
Windows Server 2019 Version 1809 (OS Build 17763.1971), DockerMsftProvider

Jenkins 2.235.4
```

1 attachment

- [docker-issue.zip](https://issues.jenkins.io/secure/attachment/54897/docker-issue.zip)