I think you're correct: Compile shouldn't be an issue, it's usually things from the standard JDK being removed. A recent example is JAXB classes/APIs being rem

I think you're correct: Compile shouldn't be an issue, it's usually things from the standard JDK being removed. A recent example is JAXB classes/APIs being removed from SDK into their own lib jars. If the legacy system uses some arcane build system I could see this being an issue.