I just downloaded Eclipse as archive, and installed newest 64 bit Java and 64 bit Java Development Kit 15. And i get this error. Installed JDK 11 after, the same error.
I had the same problem and what I did was to download another version of Java EE Eclips. I got the Eclipse 2020-06 (4.16):
https://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/2020-06/R/eclipse-jee-2020-06-R-win32-x86_64.zip
After downloading it, it worked.