Build Failed for Install Task in Tomcat

Class InstallTask is deprecated & replaced by DeployTask, so later version catalina-ant.jar (tomcat set up) doesn't have class InstallTask. It's just the case of replacing InstallTask by DeployTask to see it working again. For example, following entry in build.xml in spring mvc tutorial 
 
 

 

should be replaced as 

 
 

From http://www.coderanch.com/t/108375/tools/Failed-build-InstallTask-cannot-found