+-- <bootstrap>
      |
      +-- jdk.internal.reflect.DelegatingClassLoader (+ 17 more)
      |
      +-- "platform", jdk.internal.loader.ClassLoaders$PlatformClassLoader
            |
            +-- org.apache.flink.core.plugin.PluginLoader$PluginClassLoader
            |     |
            |     +-- jdk.internal.reflect.DelegatingClassLoader (+ 16 more)
            |
            +-- "app", jdk.internal.loader.ClassLoaders$AppClassLoader
                  |
                  +-- jdk.internal.reflect.DelegatingClassLoader (+ 39 more)
                  |
                  +-- sun.reflect.misc.MethodUtil
                        |
                        +-- jdk.internal.reflect.DelegatingClassLoader