The company I worked for tried to rewrite everything in Java twice. Both attempts cost millions, both were abandoned. The lessons (and pain) from the first at

The company I worked for tried to rewrite everything in Java twice. Both attempts cost millions, both were abandoned. The lessons (and pain) from the first attempt were ignored because not enough of the upper management were still around, and the only people who remembered the pain were the rank and file, who were ignored by the new upper management types looking to leave their mark on the product.