#  continuously get this warning "Still waiting to schedule task All nodes of label ‘slave’ are offline" while trying to use Jenkins master as an Agent.

**URL:** <https://community.jenkins.io/t/continuously-get-this-warning-still-waiting-to-schedule-task-all-nodes-of-label-slave-are-offline-while-trying-to-use-jenkins-master-as-an-agent/8506>\
**Category:** Using Jenkins\
**Created:** [July 17, 2023, 9:22am UTC](https://community.jenkins.io/t/continuously-get-this-warning-still-waiting-to-schedule-task-all-nodes-of-label-slave-are-offline-while-trying-to-use-jenkins-master-as-an-agent/8506 "2023-07-17T09:22:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![karthikkaushik91](https://avatars.discourse-cdn.com/v4/letter/k/7feea3/32.png) [@karthikkaushik91](https://community.jenkins.io/u/karthikkaushik91)\
**Post date:** [July 17, 2023, 9:22am UTC](https://community.jenkins.io/t/continuously-get-this-warning-still-waiting-to-schedule-task-all-nodes-of-label-slave-are-offline-while-trying-to-use-jenkins-master-as-an-agent/8506/1 "2023-07-17T09:22:08Z")

</div>

### Expected behavior

I am trying to run my scripts in Jenkins via docker where I added a docker template details under Nodes and Clouds section in Manage Jenkins.  
This is the cloud config i have done  
[![image](https://europe1.discourse-cdn.com/flex013/uploads/jenkins/original/2X/4/47fd05f03f56b90d5f92bc6676ba257adb9bc539.png)](https://user-images.githubusercontent.com/63140662/253878025-36a42a60-4530-41e0-9bb0-668cd47f1816.png)

Docker Template details

[![image](https://europe1.discourse-cdn.com/flex013/uploads/jenkins/original/2X/0/0fcc35c111504444c9cc06af7816de8ece1fd5c4.png)](https://user-images.githubusercontent.com/63140662/253878413-a1ac5550-9200-467a-8451-0ad69408af64.png)

JenkinsFile

[![image](https://europe1.discourse-cdn.com/flex013/uploads/jenkins/original/2X/0/0c6101b979d2f6edb256f7a62a5725f5b7cf33c4.png)](https://user-images.githubusercontent.com/63140662/253878527-e96ff1ad-b824-4ce6-b797-f94fc3274b0d.png)

### Actual behavior

I must be able to run my script from the agent machines dynamically created, but all i see it this

[![image](https://europe1.discourse-cdn.com/flex013/uploads/jenkins/original/2X/6/6460bc693a56a25da43aa1f5ac78f9f69a76cc68.png)](https://user-images.githubusercontent.com/63140662/253878666-af067a5c-4b9d-4b91-85b9-f5162176369e.png)

On clicking agent i see this

[![image](https://europe1.discourse-cdn.com/flex013/uploads/jenkins/original/2X/1/1263e4b294c3f322348c791596a2d5d3bfd32d4d.png)](https://user-images.githubusercontent.com/63140662/253878822-dd2be4f0-c555-4478-8d62-daabe7d42231.png)

Log details for the agent

Connecting to docker container 0fd8735dec95e6f8253222f4dc58bddd133399cfc4e275f74403d71fccb335ab, running command java -jar /home/jenkins/agent/remoting-3107.v665000b\_51092.jar -noReconnect -noKeepAlive -agentLog /home/jenkins/agent/agent.log  
HTTP/1.1 101 UPGRADED  
Api-Version: 1.43  
Connection: Upgrade  
Content-Type: application/vnd.docker.raw-stream  
Docker-Experimental: false  
Ostype: linux  
Server: Docker/24.0.2 (linux)  
Upgrade: tcp  
ERROR: Unexpected error in launching an agent. This is probably a bug in Jenkins  
Also: java.lang.Throwable: launched here  
at hudson.slaves.SlaveComputer.\_connect(SlaveComputer.java:287)  
at hudson.model.Computer.connect(Computer.java:447)  
at com.nirima.jenkins.plugins.docker.strategy.DockerOnceRetentionStrategy.start(DockerOnceRetentionStrategy.java:145)  
at com.nirima.jenkins.plugins.docker.strategy.DockerOnceRetentionStrategy.start(DockerOnceRetentionStrategy.java:49)  
at hudson.model.AbstractCIBase.createNewComputerForNode(AbstractCIBase.java:192)  
at hudson.model.AbstractCIBase.updateNewComputer(AbstractCIBase.java:221)  
at jenkins.model.Jenkins.updateNewComputer(Jenkins.java:1679)  
at jenkins.model.Nodes.addNode(Nodes.java:144)  
at jenkins.model.Jenkins.addNode(Jenkins.java:2221)  
at io.jenkins.docker.DockerTransientNode.robustlyAddToJenkins(DockerTransientNode.java:448)  
at com.nirima.jenkins.plugins.docker.DockerCloud$1.run(DockerCloud.java:411)  
at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)  
at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)  
at jenkins.util.ErrorLoggingExecutorService.lambda$wrap$0(ErrorLoggingExecutorService.java:51)  
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)  
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)  
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)  
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)  
at java.base/java.lang.Thread.run(Thread.java:829)  
java.io.EOFException: unexpected stream termination  
at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:459)  
at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:404)  
at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:437)  
at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:404)  
at io.jenkins.docker.connector.DockerComputerAttachConnector$DockerAttachLauncher.launch(DockerComputerAttachConnector.java:347)  
at hudson.slaves.DelegatingComputerLauncher.launch(DelegatingComputerLauncher.java:64)  
at io.jenkins.docker.connector.DockerDelegatingComputerLauncher.launch(DockerDelegatingComputerLauncher.java:46)  
at hudson.slaves.SlaveComputer.lambda$\_connect$0(SlaveComputer.java:298)  
at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)  
at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:80)  
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)  
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)  
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)  
at java.base/java.lang.Thread.run(Thread.java:829)