title: Annotation @EnableCircuitBreaker found, but there are no implementations. Did you forget to include a starter?
body: <p>Trying to build ShadowJar from SpringBoot + SpringCloud application.</p>
  
  <pre><code>import org.springframework.boot.SpringApplication;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
  
  @EnableCircuitBreaker
  @SpringBootApplication
  public class App {
  
      public static void main(String[] args) {
          SpringApplication.run(App.class);
      }
  
  }
  </code></pre>
  
  <p>Application successfully starts in IDE, but building and running the <code>jar</code> leads to the following error:</p>
  
  <pre><code>java.lang.IllegalStateException: Annotation @EnableCircuitBreaker found, but there are no implementations. Did you forget to include a starter?
      at org.springframework.cloud.commons.util.SpringFactoryImportSelector.selectImports(SpringFactoryImportSelector.java:76)
      at org.springframework.context.annotation.ConfigurationClassParser$DefaultDeferredImportSelectorGroup.process(ConfigurationClassParser.java:842)
      at org.springframework.context.annotation.ConfigurationClassParser$DeferredImportSelectorGrouping.getImports(ConfigurationClassParser.java:828)
      at org.springframework.context.annotation.ConfigurationClassParser.processDeferredImportSelectors(ConfigurationClassParser.java:563)
      at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:188)
      at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:316)
      at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:233)
      at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:271)
      at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:91)
      at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:692)
      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:530)
      at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)
      at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
      at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:386)
      at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
      at org.springframework.boot.SpringApplication.run(SpringApplication.java:1242)
      at org.springframework.boot.SpringApplication.run(SpringApplication.java:1230)
  </code></pre>
  
  <p>Gradle settings:</p>
  
  <pre><code>plugins {
      id 'java'
      id 'application'
      id "com.github.johnrengelman.shadow" version "4.0.2"
  }
  
  sourceCompatibility = 1.10
  
  shadowJar {
      baseName = 'bundle'
      version = '1.0-SNAPSHOT'
      zip64 = true
      manifest {
          attributes 'Main-Class': 'package.App'
      }
  }
  
  repositories {
      mavenCentral()
  }
  
  dependencies {
      compile group: 'org.springframework.boot', name: 'spring-boot-starter-web', version: '2.0.6.RELEASE'
      compile group: 'org.projectlombok', name: 'lombok', version: '1.18.2'
      compile group: 'org.springframework.cloud', name: 'spring-cloud-starter-netflix-eureka-client', 
              version: '2.0.2.RELEASE', { exclude group: 'com.google.code.gson', module: 'gson' }
      compile group: 'org.springframework.cloud', name: 'spring-cloud-starter-netflix-hystrix', version: '2.0.2.RELEASE'
      compile group: 'org.springframework.cloud', name: 'spring-cloud-starter-sleuth', version: '2.0.2.RELEASE'
      compile group: 'org.springframework.cloud', name: 'spring-cloud-starter-zipkin', version: '2.0.2.RELEASE'
      testCompile group: 'org.springframework.boot', name: 'spring-boot-starter-test', version: '2.0.6.RELEASE'
      testCompile group: 'junit', name: 'junit', version: '4.12'
  }
  </code></pre>
  
  <p>Which starter/dependency is missing?</p>