Restarting tomcat service gives "WARNING: An illegal reflective access operation has occurred" message.

Solution Verified - Updated -

Issue

  • A warning message occurs post restart of Tomcat service:

    Jul 15 12:47:18 satellite.example.com server[6103]: WARNING: An illegal reflective access operation has occurred
    Jul 15 12:47:18 satellite.example.com server[6103]: WARNING: Illegal reflective access by org.apache.catalina.loader.WebappClassLoaderBase$1 (file:/usr/share/java/tomcat/catalina.jar) to method java.lang.ClassLoader.registerAsParallelCapable()
    Jul 15 12:47:18 satellite.example.com server[6103]: WARNING: Please consider reporting this to the maintainers of org.apache.catalina.loader.WebappClassLoaderBase$1
    Jul 15 12:47:18 satellite.example.com server[6103]: WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
    Jul 15 12:47:18 satellite.example.com server[6103]: WARNING: All illegal access operations will be denied in a future release
    

Environment

  • Red Hat Satellite 6.10

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