Preheat oven to 350...In large bowl, beat the eggs, sugar and vanilla until fluffy. Combine the flour, soda, powder and salt into eggs and add pineapples and walnuts Pour into a greased 13x9 in baking pan. Bake on 350---35-40 min. until center comes out clean with toothpick. Lt cake cool completely. In a small bowl, beat cream cheese, butter and confectioners sugar until smooth....sprink with coconut and enjoy....Store in refrigerator.