They report from a survay taken place in 2018 about Java. One of the questions was which application server do you use in production:
But the question about the IDE gave a really surprising result:
More developers use IntelliJ than Eclipse?
Not really surprising was the usage of Oracle's JDeveloper: Only 1% of the developers use this tool.
You have to keep in mind, that with using Oracle's SOA Suite / BPEL / ESB you are forced to use JDeveloper - which means this SOA stuff is not used by many people out there.
If you take a look on the Oracle homepage you will find:
For architects and consultants JDeveloper can be very useful because it has a very nice visualization of XSDs and XSLTs (Take a look here). So hopefully JDeveloper will stay alive...