Xlib: extension "RANDR" missing on display ":10.0". Please fix your code to add using EClass.getEStructuralFeatures() instead of EClass.getEAttributes() Please fix your code to add using EClass.getEStructuralFeatures() instead of EClass.getEAttributes() Please fix your code to add using EClass.getEStructuralFeatures() instead of EClass.getEAttributes() Please fix your code to add using EClass.getEStructuralFeatures() instead of EClass.getEAttributes() Please fix your code to add using EClass.getEStructuralFeatures() instead of EClass.getEAttributes() Please fix your code to add using EClass.getEStructuralFeatures() instead of EClass.getEAttributes() Please fix your code to add using EClass.getEStructuralFeatures() instead of EClass.getEAttributes()