Thanks for the reply but I'm using Cactus-1.7.1 using Ant-1.7 and able to call the cactifyear and cactus target.
But now it throws the following error : BUILD FAILED java.lang.IllegalArgumentException: InputStream cannot be null at javax.xml.parsers.DocumentBuilder.parse(Unknown Source) at org.apache.cactus.integration.ant.deployment.application.ApplicationX mlIo.parseApplicationXml(ApplicationXmlIo.java:152) at org.apache.cactus.integration.ant.deployment.application.DefaultEarAr chive.getApplicationXml(DefaultEarArchive.java:89) at org.apache.cactus.integration.ant.deployment.EarParser.getUriOfCactif iedWebModule(EarParser.java:161) at org.apache.cactus.integration.ant.deployment.EarParser.parse(EarParse r.java:59) at org.apache.cactus.integration.ant.CactusTask.execute(CactusTask.java: 139) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:618) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav a:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:357) at org.apache.tools.ant.Target.performTasks(Target.java:385) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337) at org.apache.tools.ant.Project.executeTarget(Project.java:1306) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExe cutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1189) at org.apache.tools.ant.Main.runBuild(Main.java:758) at org.apache.tools.ant.Main.startAnt(Main.java:217) at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257) at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104) Any clue, why the inputStream is coming as null , is it something I'm missing in passing the value in the web.xml Thanks!