Try.run(() -> photosLibraryClientFinal.shutdownNow());
Try.run(() -> photosLibraryClientFinal.awaitTermination(30, TimeUnit.SECONDS));
Try.run(() -> photosLibraryClientFinal.close());

21:30:05 c.b.p.m.GooglePhotosSlideshow - Closing photos client now
21:30:05 i.g.i.ManagedChannelOrphanWrapper - *~*~*~ Channel ManagedChannelImpl{logId=3, target=photoslibrary.googleapis.com:443} was not shutdown properly!!! ~*~*~*
    Make sure to call shutdown()/shutdownNow() and wait until awaitTermination() returns true.
java.lang.RuntimeException: ManagedChannel allocation site
	at io.grpc.internal.ManagedChannelOrphanWrapper$ManagedChannelReference.<init>(ManagedChannelOrphanWrapper.java:94)
	at io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:52)
	at io.grpc.internal.ManagedChannelOrphanWrapper.<init>(ManagedChannelOrphanWrapper.java:43)
	at io.grpc.internal.AbstractManagedChannelImplBuilder.build(AbstractManagedChannelImplBuilder.java:548)
	at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createSingleChannel(InstantiatingGrpcChannelProvider.java:304)
	at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.access$1500(InstantiatingGrpcChannelProvider.java:71)
	at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider$1.createSingleChannel(InstantiatingGrpcChannelProvider.java:202)
	at com.google.api.gax.grpc.ChannelPool.create(ChannelPool.java:72)
	at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.createChannel(InstantiatingGrpcChannelProvider.java:209)
	at com.google.api.gax.grpc.InstantiatingGrpcChannelProvider.getTransportChannel(InstantiatingGrpcChannelProvider.java:192)
	at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:155)
	at com.google.api.gax.rpc.ClientContext.create(ClientContext.java:122)
	at com.google.photos.library.v1.upload.PhotosLibraryUploadStubImpl.<init>(PhotosLibraryUploadStubImpl.java:35)
	at com.google.photos.library.v1.upload.PhotosLibraryUploadStubImpl.createStub(PhotosLibraryUploadStubImpl.java:44)
	at com.google.photos.library.v1.PhotosLibraryClient.<init>(PhotosLibraryClient.java:103)
	at com.google.photos.library.v1.PhotosLibraryClient.initialize(PhotosLibraryClient.java:114)
	at com.bala.pi.module.GooglePhotosSlideshow.refreshGooglePhotoData(Unknown Source)
	at com.bala.pi.module.GooglePhotosSlideshow.checkIfDeviceOnlineAndRefreshGPhotoMetadata(Unknown Source)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:741)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
	at com.bala.pi.module.GooglePhotosSlideshow$$EnhancerBySpringCGLIB$$a312e5d2.checkIfDeviceOnlineAndRefreshGPhotoMetadata(<generated>)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:65)
	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.runAndReset$$$capture(FutureTask.java:305)
	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:835)