If Registry Client exists in flow, NiFi will fail to startup from flow.xml.gz

2022-12-02 16:15:35,462 WARN [main] org.apache.nifi.web.server.JettyServer Failed to start web server... shutting down.
java.lang.NullPointerException: null
        at java.util.Comparator.lambda$comparing$77a9974f$1(Comparator.java:469)
        at java.util.TimSort.countRunAndMakeAscending(TimSort.java:355)
        at java.util.TimSort.sort(TimSort.java:220)
        at java.util.Arrays.sort(Arrays.java:1512)
        at java.util.ArrayList.sort(ArrayList.java:1464)
        at org.apache.nifi.fingerprint.FingerprintFactory.addFlowControllerFingerprint(FingerprintFactory.java:200)
        at org.apache.nifi.fingerprint.FingerprintFactory.createFingerprint(FingerprintFactory.java:155)
        at org.apache.nifi.fingerprint.FingerprintFactory.createFingerprint(FingerprintFactory.java:129)
        at org.apache.nifi.controller.inheritance.FlowFingerprintCheck.checkInheritability(FlowFingerprintCheck.java:45)
        at org.apache.nifi.controller.XmlFlowSynchronizer.sync(XmlFlowSynchronizer.java:205)
        at org.apache.nifi.controller.serialization.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:42)
        at org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1525)
        at org.apache.nifi.persistence.StandardFlowConfigurationDAO.load(StandardFlowConfigurationDAO.java:104)
        at org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:817)
        at org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:538)
        at org.apache.nifi.web.contextlistener.ApplicationStartupContextListener.contextInitialized(ApplicationStartupContextListener.java:67)
        at org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:1073)
        at org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:572)
        at org.eclipse.jetty.server.handler.ContextHandler.contextInitialized(ContextHandler.java:1002)
        at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:765)
        at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:379)
        at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1449)
        at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1414)
        at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:916)
        at org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:288)
        at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:524)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
        at org.eclipse.jetty.server.handler.gzip.GzipHandler.doStart(GzipHandler.java:426)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
        at org.eclipse.jetty.server.Server.start(Server.java:423)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
        at org.eclipse.jetty.server.Server.doStart(Server.java:387)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
        at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:814)
        at org.apache.nifi.NiFi.<init>(NiFi.java:172)
        at org.apache.nifi.NiFi.<init>(NiFi.java:83)
        at org.apache.nifi.NiFi.main(NiFi.java:332)