Unable to start Zipkin GCP - OpenSSL required?

[saturnism]

2018-07-25 01:49:59.558  WARN 7 --- [           main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'zipkinServerConfiguration': Unsatisfied dependency expressed through field 'httpCollector'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'zipkinHttpCollector' defined in file [/zipkin/BOOT-INF/classes/zipkin/server/internal/ZipkinHttpCollector.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'storage' defined in class path resource [zipkin/autoconfigure/storage/stackdriver/ZipkinStackdriverStorageAutoConfiguration.class]: Unsatisfied dependency expressed through method 'storage' parameter 2; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'managedChannel' defined in class path resource [zipkin/autoconfigure/storage/stackdriver/ZipkinStackdriverStorageAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [io.grpc.ManagedChannel]: Factory method 'managedChannel' threw exception; nested exception is java.lang.IllegalStateException: OpenSsl required