SpringBoot CI Promote can fail with NPE following Artifactory upgrade

java.lang.IllegalStateException: Failed to execute ApplicationRunner
    at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:778) [spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:765) [spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:322) [spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    at io.spring.concourse.releasescripts.Application.main(Application.java:28) [classes!/:0.0.1-SNAPSHOT]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_292]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_292]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_292]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_292]
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) [spring-boot-release-scripts.jar:0.0.1-SNAPSHOT]
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) [spring-boot-release-scripts.jar:0.0.1-SNAPSHOT]
    at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) [spring-boot-release-scripts.jar:0.0.1-SNAPSHOT]
    at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52) [spring-boot-release-scripts.jar:0.0.1-SNAPSHOT]
Caused by: java.lang.NullPointerException: null
    at io.spring.concourse.releasescripts.artifactory.ArtifactoryService.isAlreadyPromoted(ArtifactoryService.java:99) ~[classes!/:0.0.1-SNAPSHOT]
    at io.spring.concourse.releasescripts.artifactory.ArtifactoryService.promote(ArtifactoryService.java:83) ~[classes!/:0.0.1-SNAPSHOT]
    at io.spring.concourse.releasescripts.command.PromoteCommand.run(PromoteCommand.java:66) ~[classes!/:0.0.1-SNAPSHOT]
    at io.spring.concourse.releasescripts.command.CommandProcessor.run(CommandProcessor.java:55) ~[classes!/:0.0.1-SNAPSHOT]
    at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:775) [spring-boot-2.2.4.RELEASE.jar!/:2.2.4.RELEASE]
    ... 13 common frames omitted