title: Spring Boot - Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1
body: <p>I have a problem with Spring Application using Spring Boot.</p>
  
  <pre><code>WARNING: An illegal reflective access operation has occurred
  WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (file:/C:/Users/User/.m2/repository/org/springframework/spring-core/5.0.5.RELEASE/spring-core-5.0.5.RELEASE.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
  WARNING: Please consider reporting this to the maintainers of org.springframework.cglib.core.ReflectUtils$1
  WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
  WARNING: All illegal access operations will be denied in a future release
  </code></pre>
  
  <p>I have JDK 9.0, Spring Boot 2.0.4.RELEASE (Now i change dependency to 2.0.5.RELEASE but the Spring Core not actualizedd. I see that Spring Core is 5.0.9.</p>
  
  <p>What is the problem? </p>