Invalid byte tag in constant pool: 19 error message

Question

This error message shows that the Tomcat is 8.0.30, and I am using JDK 8. I am creating a Spring-boot project. Some suggested that JDK 8 should be used but I indeed am using

Answer 1

You can try to downgrade the version of glassfish packages in your dependencies. Had the problem with 2.30.1 version (and Tomcat 8.5 Server), no more issue after changing to 2.22.2.

    
        org.glassfish.jersey.core
        jersey-client
        2.22.2
    
    
      org.glassfish.jersey.media
      jersey-media-json-jackson
      2.22.2