I recently had to migrate to a new machine and re-installed Eclipse.
At the moment, I need to generate JAXB classes from an xsd. I cannot quite remember what I installed, b
A simple fix for this problem - rather than worrying about adding additional plugins or installs - is to install Eclipse IDE for Java EE Developers rather than Eclipse Classic (both to be found here). This comes with the JAXB support and therefore provides the >Generate>Jaxb classes option.