I updated my post above. I am seeing lots of this:
15:25:08.893 [ERROR] [org.openhab.core.ephemeris ] - bundle org.openhab.core.ephemeris:2.5.0.M5 (144)[org.openhab.ephemeris(69)] : The activate method has thrown an exception
java.lang.IllegalArgumentException: No enum constant java.time.DayOfWeek.SATURDAY,SUNDAY
at java.lang.Enum.valueOf(Enum.java:238) ~[?:1.8.0_222]
at java.time.DayOfWeek.valueOf(DayOfWeek.java:109) ~[?:1.8.0_222]
at org.eclipse.smarthome.core.ephemeris.internal.EphemerisManagerImpl.addDayset(EphemerisManagerImpl.java:330) ~[?:?]
at org.eclipse.smarthome.core.ephemeris.internal.EphemerisManagerImpl.lambda$2(EphemerisManagerImpl.java:151) ~[?:?]
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:1.8.0_222]
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[?:1.8.0_222]
at java.util.Iterator.forEachRemaining(Iterator.java:116) ~[?:1.8.0_222]
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:1.8.0_222]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) ~[?:1.8.0_222]
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) ~[?:1.8.0_222]
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:1.8.0_222]
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:1.8.0_222]
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_222]
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485) ~[?:1.8.0_222]
at org.eclipse.smarthome.core.ephemeris.internal.EphemerisManagerImpl.modified(EphemerisManagerImpl.java:131) ~[?:?]
at org.eclipse.smarthome.core.ephemeris.internal.EphemerisManagerImpl.activate(EphemerisManagerImpl.java:126) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_222]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_222]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
at org.apache.felix.scr.impl.inject.methods.BaseMethod.invokeMethod(BaseMethod.java:228) ~[bundleFile:?]
at org.apache.felix.scr.impl.inject.methods.BaseMethod.access$500(BaseMethod.java:41) ~[bundleFile:?]
at org.apache.felix.scr.impl.inject.methods.BaseMethod$Resolved.invoke(BaseMethod.java:664) ~[bundleFile:?]
at org.apache.felix.scr.impl.inject.methods.BaseMethod.invoke(BaseMethod.java:510) [bundleFile:?]
at org.apache.felix.scr.impl.inject.methods.ActivateMethod.invoke(ActivateMethod.java:317) [bundleFile:?]
at org.apache.felix.scr.impl.inject.methods.ActivateMethod.invoke(ActivateMethod.java:307) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:340) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:114) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:982) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:955) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:900) [bundleFile:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse$1.run(ServiceFactoryUse.java:212) [org.eclipse.osgi-3.12.100.jar:?]
at java.security.AccessController.doPrivileged(Native Method) [?:1.8.0_222]
at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.factoryGetService(ServiceFactoryUse.java:210) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.getService(ServiceFactoryUse.java:111) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceConsumer$2.getService(ServiceConsumer.java:45) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:508) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:624) [org.eclipse.osgi-3.12.100.jar:?]
at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:86) [bundleFile:?]
at org.apache.felix.scr.impl.inject.ComponentConstructor.newInstance(ComponentConstructor.java:281) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:277) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:114) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:982) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:955) [bundleFile:?]
at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:900) [bundleFile:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse$1.run(ServiceFactoryUse.java:212) [org.eclipse.osgi-3.12.100.jar:?]
at java.security.AccessController.doPrivileged(Native Method) [?:1.8.0_222]
at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.factoryGetService(ServiceFactoryUse.java:210) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.getService(ServiceFactoryUse.java:111) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceConsumer$2.getService(ServiceConsumer.java:45) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:508) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:624) [org.eclipse.osgi-3.12.100.jar:?]
at com.eclipsesource.jaxrs.publisher.internal.ResourceTracker.addingService(ResourceTracker.java:39) [bundleFile:?]
at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:941) [osgi.core-6.0.0.jar:?]
at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:870) [osgi.core-6.0.0.jar:?]
at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256) [osgi.core-6.0.0.jar:?]
at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229) [osgi.core-6.0.0.jar:?]
at org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:901) [osgi.core-6.0.0.jar:?]
at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:109) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:920) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:862) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:801) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:127) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:225) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.framework.BundleContextImpl.registerService(BundleContextImpl.java:469) [org.eclipse.osgi-3.12.100.jar:?]
at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:906) [bundleFile:?]
at org.apache.felix.scr.impl.manager.AbstractComponentManager$3.register(AbstractComponentManager.java:892) [bundleFile:?]
at org.apache.felix.scr.impl.manager.RegistrationManager.changeRegistration(RegistrationManager.java:128) [bundleFile:?]
at org.apache.felix.scr.impl.manager.AbstractComponentManager.registerService(AbstractComponentManager.java:959) [bundleFile:?]
at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:732) [bundleFile:?]
at org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:666) [bundleFile:?]
at org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:432) [bundleFile:?]
at org.apache.felix.scr.impl.manager.ConfigurableComponentHolder.enableComponents(ConfigurableComponentHolder.java:665) [bundleFile:?]
at org.apache.felix.scr.impl.BundleComponentActivator.initialEnable(BundleComponentActivator.java:338) [bundleFile:?]
at org.apache.felix.scr.impl.Activator.loadComponents(Activator.java:382) [bundleFile:?]
at org.apache.felix.scr.impl.Activator.access$200(Activator.java:49) [bundleFile:?]
at org.apache.felix.scr.impl.Activator$ScrExtension.start(Activator.java:264) [bundleFile:?]
at org.apache.felix.scr.impl.AbstractExtender.createExtension(AbstractExtender.java:196) [bundleFile:?]
at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:169) [bundleFile:?]
at org.apache.felix.scr.impl.AbstractExtender.modifiedBundle(AbstractExtender.java:49) [bundleFile:?]
at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:482) [osgi.core-6.0.0.jar:?]
at org.osgi.util.tracker.BundleTracker$Tracked.customizerModified(BundleTracker.java:415) [osgi.core-6.0.0.jar:?]
at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:232) [osgi.core-6.0.0.jar:?]
at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:444) [osgi.core-6.0.0.jar:?]
at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:908) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEventPrivileged(EquinoxEventPublisher.java:213) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:120) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:112) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor.publishModuleEvent(EquinoxContainerAdaptor.java:168) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.container.Module.publishEvent(Module.java:476) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.container.Module.start(Module.java:467) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1634) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1614) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1585) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1528) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230) [org.eclipse.osgi-3.12.100.jar:?]
at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340) [org.eclipse.osgi-3.12.100.jar:?]