The error information is as follows:

End of compilation and packaging
[DeployPublisher][INFO] Attempting to deploy 1 war file(s)
[DeployPublisher][INFO] Deploying /var/lib/jenkins/workspace/web_demo_boot_freestyle/target/web_demo_boot-0.0.1-SNAPSHOT.war to container Tomcat 8.x Remote with context null
ERROR: Build step failed with exception
org.codehaus.cargo.container.ContainerException: Failed to redeploy [/var/lib/jenkins/workspace/web_demo_boot_freestyle/target/web_demo_boot-0.0.1-SNAPSHOT.war]
    at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:176)
    at hudson.plugins.deploy.CargoContainerAdapter.deploy(CargoContainerAdapter.java:81)
    at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:167)
    at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:136)
    at hudson.FilePath.act(FilePath.java:1171)
    at hudson.FilePath.act(FilePath.java:1154)
    at hudson.plugins.deploy.CargoContainerAdapter.redeployFile(CargoContainerAdapter.java:133)
    at hudson.plugins.deploy.PasswordProtectedAdapterCargo.redeployFile(PasswordProtectedAdapterCargo.java:95)
    at hudson.plugins.deploy.DeployPublisher.perform(DeployPublisher.java:113)
    at jenkins.tasks.SimpleBuildStep.perform(SimpleBuildStep.java:123)
    at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:78)
    at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:47)
    at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:806)
    at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:755)
    at hudson.model.Build$BuildExecution.post2(Build.java:178)
    at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:699)
    at hudson.model.Run.execute(Run.java:1913)
    at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
    at hudson.model.ResourceController.execute(ResourceController.java:99)
    at hudson.model.Executor.run(Executor.java:432)
Caused by: org.codehaus.cargo.container.tomcat.internal.TomcatManagerException: The username you provided is not allowed to use the text-based Tomcat Manager (error 403)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:710)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.list(TomcatManager.java:882)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.getStatus(TomcatManager.java:895)
    at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:161)
    ... 19 more
Caused by: java.io.IOException: Server returned HTTP response code: 403 for URL: http://192.168.1.101:8886/manager/text/list
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1894)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:577)
    ... 22 more
org.codehaus.cargo.container.tomcat.internal.TomcatManagerException: The username you provided is not allowed to use the text-based Tomcat Manager (error 403)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:710)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.list(TomcatManager.java:882)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.getStatus(TomcatManager.java:895)
    at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:161)
    at hudson.plugins.deploy.CargoContainerAdapter.deploy(CargoContainerAdapter.java:81)
    at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:167)
    at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:136)
    at hudson.FilePath.act(FilePath.java:1171)
    at hudson.FilePath.act(FilePath.java:1154)
    at hudson.plugins.deploy.CargoContainerAdapter.redeployFile(CargoContainerAdapter.java:133)
    at hudson.plugins.deploy.PasswordProtectedAdapterCargo.redeployFile(PasswordProtectedAdapterCargo.java:95)
    at hudson.plugins.deploy.DeployPublisher.perform(DeployPublisher.java:113)
    at jenkins.tasks.SimpleBuildStep.perform(SimpleBuildStep.java:123)
    at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:78)
    at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:47)
    at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:806)
    at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:755)
    at hudson.model.Build$BuildExecution.post2(Build.java:178)
    at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:699)
    at hudson.model.Run.execute(Run.java:1913)
    at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
    at hudson.model.ResourceController.execute(ResourceController.java:99)
    at hudson.model.Executor.run(Executor.java:432)
Caused by: java.io.IOException: Server returned HTTP response code: 403 for URL: http://192.168.1.101:8886/manager/text/list
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1894)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:577)
    ... 22 more
Build step 'Deploy war/ear to a container' marked build as failure
Finished: FAILURE

Solution:

The permission of the deployment user must be defined as “manager-script” before successful deployment.

You need to modify tomcat-xml.file under the conf files in tomcat.

Restart later