i undertwent the same problem. This post saved my life :

1/export your project from eclipse 2/ search for dependencies using jdeps 3/ create a runtime-image 4/use jpackage with the --runtime-image option instead of --module-path.

check here how to create runtime image https://medium.com/azulsystems/using-jlink-to-build-java-runtimes-for-non-modular-applications-9568c5e70ef4