did you deploy the driver?
"service jboss.jdbc-driver.informix" missing means the jdbc driver is missing.
it needs to be jdbc compliant. you can then go ahead and deploy it through the console:
When I deployed through the console it opened datasource home page. But in cmd the same error. missing dependencies:
Does it mean that my jdbc driver is wrong. But I used the same in jboss 4.2.0 and it worked fine there.
Maybe the informix driver isn't jdbc4 compliant. In this case you have to specify also <driver-class> into driver section of standalone/domain.xml.