EXECUTE: JSF KickStart project
EXECUTE: Open inputUserName.jsp
EXECUTE: Call CA and select h:commandLink
ASSERT: <h:commandLink action="" value="" />
EXECUTE: Insert values in action and vaule atributes
ASSERT: <h:commandLink action="anyAction" value="anyValue" />
EXECUTE: Delete string <h:commandLink action="anyAction" value="anyValue" />
EXECUTE: Close Editor and select Yes on Save Resource wizard.
EXECUTE: Reopen inputUserName.jsp
EXECUTE: Call CA.
FAILURE: CA is broken with java.lang.NullPointerException.

If you couldn't reproduce it from the first time plz repeat steps once more.