Spring 5.0.5 在 jdk9 环境下启动警告-优快云博客

本文记录了一次使用SpringBoot v2.0.1.RELEASE版本启动应用时出现的警告信息，涉及非法反射访问操作，具体由Spring Framework版本更新引起的问题，并提供了Spring Framework官方对此问题的解释链接。

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现象

启动时报警告

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v2.0.1.RELEASE)

2018-04-10 17:30:34.768  INFO 28600 --- [  restartedMain] com.ghca.unicom.tianjin.AppStarter       : 
2018-04-10 17:30:34.771  INFO 28600 --- [  restartedMain] com.ghca.unicom.tianjin.AppStarter       : No active profile set, falling back to default profiles: default
2018-04-10 17:30:34.939  INFO 28600 --- [  restartedMain] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@24a23b0d: startup date [Tue Apr 10 17:30:34 CST 2018]; root of context hierarchy
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (file:/home/xxx/.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