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Learning Jenkins, 02-07: Run and Monitor Jobs

Use the console to create a freestyle job with one build step.

MacOS, Linux, and Docker

If you are running Jenkins on MacOS, Linux, or Docker:

  1. Select the Execute shell build step.
  2. Enter the following for the command:
#!/bin/bash
for i in {1..30}; do
  echo $i;
  sleep 1;
done
exit 1

Troubleshooting Errors

If you select the Execute Windows batch command build step, you will see an error similar to the following:

Building in workspace /var/jenkins_home/workspace/hello
[hello] $ cmd /c call /tmp/jenkins3248756842772121939.bat
FATAL: command execution failed
java.io.IOException: error=2, No such file or directory
	at java.base/java.lang.ProcessImpl.forkAndExec(Native Method)
	at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:340)
	at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:271)
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1107)
Caused: java.io.IOException: Cannot run program "cmd" (in directory "/var/jenkins_home/workspace/hello"): error=2, No such file or directory
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1128)
	at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1071)
	at hudson.Proc$LocalProc.<init>(Proc.java:253)
	at hudson.Proc$LocalProc.<init>(Proc.java:222)
	at hudson.Launcher$LocalLauncher.launch(Launcher.java:996)
	at hudson.Launcher$ProcStarter.start(Launcher.java:508)
	at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:144)
	at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:92)
	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:21)
	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:808)
	at hudson.model.Build$BuildExecution.build(Build.java:199)
	at hudson.model.Build$BuildExecution.doRun(Build.java:164)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:516)
	at hudson.model.Run.execute(Run.java:1889)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:100)
	at hudson.model.Executor.run(Executor.java:433)
Build step 'Execute Windows batch command' marked build as failure
Finished: FAILURE

This is because the program Jenkins uses with the Execute Windows batch command build step is not available on your system.

To fix this error, use the Execute shell build step as described above.