i'm new with spring and from the start i found this warning while executing [SPR-17380]

[spring-projects-issues]

Soumaya Bessifi opened SPR-17380 and commented

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (file:/C:/Users/dell/.m2/repository/org/springframework/spring-core/5.0.9.RELEASE/spring-core-5.0.9.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

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Affects: 5.0.9

Issue Links:

• MethodHandles.Lookup.defineClass for CGLIB class definition purposes [SPR-15859] #20414 MethodHandles.Lookup.defineClass for CGLIB class definition purposes

[spring-projects-issues]

Juergen Hoeller commented

This is a warning on JDK 11 which isn't officially supported in Spring Framework 5.0.x yet.

As per #20414, the warning has been addressed in Spring Framework 5.1. We're about to release 5.1.1 tomorrow, followed by Spring Boot 2.1 RC1. These are the versions to use on JDK 11 and higher, while still retaining compatibility with JDK 8.