Jersey stopped working with InjectionManagerFactory not found

Add this dependency:

<dependency>
    <groupId>org.glassfish.jersey.inject</groupId>
    <artifactId>jersey-hk2</artifactId>
    <version>2.28</version>
</dependency>

cf. https://stackoverflow.com/a/44536542/1070215

Make sure not to mix your Jersey dependency versions. This answer says version “2.28”, but use whatever version your other Jersey dependency versions are.

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