Mesmo criando um usuário 'jenkins' e senha 'jenkins' em 'Credentials' no 'Post-build Actions' na versão nova do Jenkins que está diferente da aula e conforme vi em outra dúvida aqui do forum e inserindo estes dados no tomcat-user.xml, o erro de build ainda ocorre conforme mensagem:
Deploying /Users/barretti/.jenkins/workspace/argentum-web/target/argentum-web.war to container Tomcat 7.x Remote with context argentum-web
ERROR: Build step failed with exception
org.codehaus.cargo.container.ContainerException: Failed to redeploy [/Users/barretti/.jenkins/workspace/argentum-web/target/argentum-web.war]
at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:188)
at hudson.plugins.deploy.CargoContainerAdapter.deploy(CargoContainerAdapter.java:77)
at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:147)
at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:117)
at hudson.FilePath.act(FilePath.java:1078)
at hudson.FilePath.act(FilePath.java:1061)
at hudson.plugins.deploy.CargoContainerAdapter.redeploy(CargoContainerAdapter.java:114)
at hudson.plugins.deploy.PasswordProtectedAdapterCargo.redeploy(PasswordProtectedAdapterCargo.java:93)
at hudson.plugins.deploy.DeployPublisher.perform(DeployPublisher.java:64)
at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:45)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:744)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:690)
at hudson.model.Build$BuildExecution.post2(Build.java:186)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:635)
at hudson.model.Run.execute(Run.java:1835)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:97)
at hudson.model.Executor.run(Executor.java:429)
Caused by: org.codehaus.cargo.container.tomcat.internal.TomcatManagerException: The username and password you provided are not correct (error 401)
...
Caused by: java.io.IOException: Server returned HTTP response code: 401 for URL: http://localhost:8080/manager/text/list
org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:698)
...
Build step 'Deploy war/ear to a container' marked build as failure
Finished: FAILURE