These are the proceedings of the second symposium on Generative and C- ponent-Based Software Engineering that was held in Erfurt, Germany, on - tober 9 12, 2000, as part of the Net. Object Days conference. The GCSE s- posium was born in 1999 at the Smalltalk and Java in Industry and Edu- tion Conference (STJA), the precursor to the Net. Object Days conference. The GCSE symposium grew out of a special track on generative programming that was organized by the working group Generative and Component-Based So- ware Engineering of the Gesellschaft fur ] Informatik FG 2. 1. 9 at STJA in the two...