Describe the bug

When try to connect to Artifactory repository in Jenkins pipeline, the pipeline failed as soon as reach this line:
def server = Artifactory.newServer url:registry+'/artifactory' , credentialsId:'artifact_cred2'

I receive this message error:

<--------------- Jar Publish Started --------------->
[Pipeline] echo
17
[Pipeline] newArtifactoryServer
[Pipeline] }
[Pipeline] // script
[Pipeline] }
[Pipeline] // stage
[Pipeline] }
[Pipeline] // withEnv
[Pipeline] }
[Pipeline] // withEnv
[Pipeline] }
[Pipeline] // node
[Pipeline] End of Pipeline
java.lang.ClassNotFoundException: org.apache.commons.cli.MissingArgumentException
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:476)

(more lines)

at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)

Finished: FAILURE

Versions

• Jenkins Artifactory plugin version:
  Artifactory Plugin Version3.18.5

• Jenkins operating system: 2.401.2

• Artifactory Version: JFrog Artifactory (Cloud version)