Then I changed the deploy-name in TestProject/.settings/org.eclipse.wst.common.component (in vi in terminal),

Changing deploy-name in component xml file will not take effect --------------------------------------------------------------- Key: JBIDE-20711 URL: https://issues.jboss.org/browse/JBIDE-20711 Project: Tools (JBoss Tools) Issue Type: Bug Components: server, upstream Affects Versions: 4.3.0.CR1 Reporter: Rob Stryker Assignee: Rob Stryker Fix For: 4.4.3.AM2 Steps to replicate: 1) Create a dynamic web project TestProject 2) Create a server 3) Add/Remove action in servers view. You will see the module name is TestProject 4) Open the component.xml file in .settings folder and change deploy-name to some new value (RobsTest) 5) Add/Remove, note module name didn't change 6) Publish deployment, note its still deploying as TestProject 7) Close project, then re-open it 8) Add/Remove action, note the module now reads TestProject (RobsTest) (or similar) 9) Publish, note module is deployed as RobsTest.war