Data has been extracted from Tera Promise repository bug report files of Eclipse and Java Development Tools (JDT) open source software at https://zenodo.org/record/268486#.W-QsPpMzY2w. These data sets have been given by An Ngoc Lam. The bug reports contain table having contents as bug_id, summary, description, report time, report time status, commit, and commit time files. Datasets have been extracted from these bug reports and reformatted in time domain format.