HTTP Status 500 ao tentar acessar os recursos. | JAX-RS e Jersey: domine a criação de webservices REST

Boa Tarde,
Fiz o deploy, o mesmo foi descompactado automaticamente pelo Tomcat.
Consigo acessar normalmente a pagina index.html, só que ao tentar acessar os recursos, de carrinhos ou projetos: Ex: http://localhost:8080/loja/carrinhos/1
a mensagem de erro é mostrada.

HTTP Status 500 - Servlet.init() for servlet Jersey Web Application threw exception

type Exception report

message Servlet.init() for servlet Jersey Web Application threw exception

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet.init() for servlet Jersey Web Application threw exception
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:474)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
    org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
    org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798)
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434)
    org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    java.lang.Thread.run(Thread.java:745)
root cause

java.lang.UnsupportedClassVersionError: br/com/alura/loja/resource/CarrinhosResource : Unsupported major.minor version 52.0 (unable to load class br.com.alura.loja.resource.CarrinhosResource)
    org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2280)
    org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:811)
    org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1254)
    org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)
    java.lang.Class.forName0(Native Method)
    java.lang.Class.forName(Class.java:278)
    org.glassfish.jersey.internal.util.ReflectionHelper$6.run(ReflectionHelper.java:374)
    org.glassfish.jersey.internal.util.ReflectionHelper$6.run(ReflectionHelper.java:369)
    java.security.AccessController.doPrivileged(Native Method)
    org.glassfish.jersey.server.internal.scanning.AnnotationAcceptingListener$AnnotatedClassVisitor.getClassForName(AnnotationAcceptingListener.java:257)
    org.glassfish.jersey.server.internal.scanning.AnnotationAcceptingListener$AnnotatedClassVisitor.visitEnd(AnnotationAcceptingListener.java:219)
    org.objectweb.asm.ClassReader.accept(ClassReader.java:1495)
    org.objectweb.asm.ClassReader.accept(ClassReader.java:425)
    org.glassfish.jersey.server.internal.scanning.AnnotationAcceptingListener.process(AnnotationAcceptingListener.java:169)
    org.glassfish.jersey.server.ResourceConfig.scanClasses(ResourceConfig.java:883)
    org.glassfish.jersey.server.ResourceConfig._getClasses(ResourceConfig.java:840)
    org.glassfish.jersey.server.ResourceConfig.getClasses(ResourceConfig.java:755)
    org.glassfish.jersey.server.ResourceConfig$RuntimeConfig.<init>(ResourceConfig.java:1171)
    org.glassfish.jersey.server.ResourceConfig$RuntimeConfig.<init>(ResourceConfig.java:1144)
    org.glassfish.jersey.server.ResourceConfig.createRuntimeConfig(ResourceConfig.java:1140)
    org.glassfish.jersey.server.ApplicationHandler.<init>(ApplicationHandler.java:299)
    org.glassfish.jersey.servlet.WebComponent.<init>(WebComponent.java:311)
    org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:169)
    org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:359)
    javax.servlet.GenericServlet.init(GenericServlet.java:158)
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:474)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
    org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783)
    org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798)
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434)
    org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    java.lang.Thread.run(Thread.java:745)
note The full stack trace of the root cause is available in the Apache Tomcat/8.5.11 logs.

Apache Tomcat/8.5.11
Alguém conseguiu passar dessa parte?