Deploying /root/.jenkins/workspace/SsmApp/SsmApp/target/SsmApp.war to container Tomcat 7.x Remote
  Redeploying [/root/.jenkins/workspace/SsmApp/SsmApp/target/SsmApp.war]
  Undeploying [/root/.jenkins/workspace/SsmApp/SsmApp/target/SsmApp.war]
ERROR: Build step Failed with exception
org.codehaus.cargo.container.ContainerException: Failed to undeploy [/root/.jenkins/workspace/SsmApp/SsmApp/target/SsmApp.war]
    at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.undeploy(AbstractTomcatManagerDeployer.java:140)
    at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:178)
    at hudson.plugins.deploy.CargoContainerAdapter.deploy(CargoContainerAdapter.java:73)
    at hudson.plugins.deploy.CargoContainerAdapter$1.invoke(CargoContainerAdapter.java:116)
    at hudson.plugins.deploy.CargoContainerAdapter$1.invoke(CargoContainerAdapter.java:103)
    at hudson.FilePath.act(FilePath.java:990)
    at hudson.FilePath.act(FilePath.java:968)
    at hudson.plugins.deploy.CargoContainerAdapter.redeploy(CargoContainerAdapter.java:103)
    at hudson.plugins.deploy.DeployPublisher.perform(DeployPublisher.java:61)
    at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:45)
    at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:782)
    at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:723)
    at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.post2(MavenModuleSetBuild.java:1037)
    at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:668)
    at hudson.model.Run.execute(Run.java:1763)
    at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:529)
    at hudson.model.ResourceController.execute(ResourceController.java:98)
    at hudson.model.Executor.run(Executor.java:410)
Caused by: org.codehaus.cargo.container.tomcat.internal.TomcatManagerException: FAIL - Context /SsmApp is defined in server.xml and may not be undeployed

    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:566)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:480)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.undeploy(TomcatManager.java:420)
    at org.codehaus.cargo.container.tomcat.Tomcat7xRemoteDeployer.performUndeploy(Tomcat7xRemoteDeployer.java:62)
    at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.undeploy(AbstractTomcatManagerDeployer.java:130)
    ... 17 more
org.codehaus.cargo.container.tomcat.internal.TomcatManagerException: FAIL - Context /SsmApp is defined in server.xml and may not be undeployed

    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:566)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.invoke(TomcatManager.java:480)
    at org.codehaus.cargo.container.tomcat.internal.TomcatManager.undeploy(TomcatManager.java:420)
    at org.codehaus.cargo.container.tomcat.Tomcat7xRemoteDeployer.performUndeploy(Tomcat7xRemoteDeployer.java:62)
    at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.undeploy(AbstractTomcatManagerDeployer.java:130)
    at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:178)
    at hudson.plugins.deploy.CargoContainerAdapter.deploy(CargoContainerAdapter.java:73)
    at hudson.plugins.deploy.CargoContainerAdapter$1.invoke(CargoContainerAdapter.java:116)
    at hudson.plugins.deploy.CargoContainerAdapter$1.invoke(CargoContainerAdapter.java:103)
    at hudson.FilePath.act(FilePath.java:990)
    at hudson.FilePath.act(FilePath.java:968)
    at hudson.plugins.deploy.CargoContainerAdapter.redeploy(CargoContainerAdapter.java:103)
    at hudson.plugins.deploy.DeployPublisher.perform(DeployPublisher.java:61)
    at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:45)
    at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:782)
    at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:723)
    at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.post2(MavenModuleSetBuild.java:1037)
    at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:668)
    at hudson.model.Run.execute(Run.java:1763)
    at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:529)
    at hudson.model.ResourceController.execute(ResourceController.java:98)
    at hudson.model.Executor.run(Executor.java:410)
Build step 'Deploy war/ear to a container' marked build as failure
Finished: FAILURE

http://inmethetiger.iteye.com/blog/2065501 解决办法： 1：在服务器上删除该项目，包括在work\Catalina里面的 2：关闭tomcat服务，再重新启动。 原因：因为你之前删除了这个项目，但是tomcat是没有delete选项的。所以，尽管你删除了，但是在首页列表中，该项目还是存在，而实际上是不存在的。所以你无法进行部署