src/java.desktop/macosx/native/libawt_lwawt/awt/CGraphicsEnv.m

*** 182,191 ****
                           as:kInternalError
                       reason:"CGDisplayRemoveReconfigurationCallback() failed, leaking the callback context!"];
          return;
      }
  
!     [wrapper setJObject:NULL withEnv:env]; // more efficiant to pre-clear
      [wrapper release];
  
  JNF_COCOA_EXIT(env);
  }
--- 182,191 ----
                           as:kInternalError
                       reason:"CGDisplayRemoveReconfigurationCallback() failed, leaking the callback context!"];
          return;
      }
  
!     [wrapper setJObject:NULL withEnv:env]; // more efficient to pre-clear
      [wrapper release];
  
  JNF_COCOA_EXIT(env);
  }