Java decompilers are programs that perform the reverse process of Java compilers, i. They are essential for reverse engineering purposes and have become more sophisticated and reliable over the years. However, it remains challenging for modern Java decompilers to reliably perform correct decompilation on real-world programs. To shed light on the key challenges of Java decompilation, this paper provides the first systematic study on the characteristics and causes of bugs in mature, widely-used Java decompilers.
We conduct the study by investigating unique bugs from three popular Java decompilers. Our key findings and observations include: 1 Although most of the reported bugs were found when decompiling large, real-world code, Based on these findings, we present JD-Tester, a differential testing framework for Java decompilers, and our experience of using it in testing the three popular Java decompilers.
JD-Tester utilizes different Java program generators to construct executable Java tests and finds exceptions, syntactic, and semantic inconsistencies i. In total, we have found 62 bugs in the three decompilers, demonstrating both the effectiveness of JD-Tester, and the importance of testing and validating Java decompilers.
Toggle navigation. Essays Onward! Essays Program Committee Onward! Steering Committee Onward! Sign in Sign up. Program Display Configuration. Time Zone. Time Band. By setting a time band, the program will dim events that are outside this time window. This is useful for virtual conferences with a continuous program with repeated sessions.
The time band will also limit the events that are included in the personal iCalendar subscription service. Display full program Specify a time band -. Abstract Java decompilers are programs that perform the reverse process of Java compilers, i. Yifei Lu Nanjing University. Weidong Hou Nanjing University. Minxue Pan Nanjing University China. Xuandong Li Nanjing University China. Session Program Thu 24 Oct.
