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As the popularity of mobile smart devices continues to climb the complexity of “apps” continues to increase, making the development and maintenance process challenging. Current bug tracking systems lack key features to effectively support construction of reports with actionable information that directly lead to a bug’s resolution. In this demo we present the implementation of a novel bug reporting...
Many studies analyze issue tracking repositories to understand and support software development. To facilitate the analyses, we share a Mozilla issue tracking dataset covering a 15-year history. The dataset includes three extracts and multiple levels for each extract. The three extracts were retrieved through two channels, a front-end (web user interface (UI)), and a back-end (official database dump)...
Stack Overflow is a popular question answering site that is focused on programming problems. Despite efforts to prevent asking questions that have already been answered, the site contains duplicate questions. This may cause developers to unnecessarily wait for a question to be answered when it has already been asked and answered. The site currently depends on its moderators and users with high reputation...
It is useful if a bug tracking system can detect bug report duplication with unfinished bug reports. To investigate the feasibility, we study relations between accuracy of duplicate bug report detection using features extracted from textual information in bug reports and the number of words in bug reports in this paper. The results show that increasing the number of words to be used in duplicate detection...
The analysis of bug reports is an important subfield within the mining software repositories community. It explores the rich data available in defect tracking systems to uncover interesting and actionable information about the bug triaging process. While bug data is readily accessible from systems like Bugzilla and JIRA, a common database schema and a curated dataset could significantly enhance future...
A security-related bug is a programming error that introduces a potentially exploitable weakness into a computer system. This weakness could lead to a security breach with unfortunate consequences. Version control systems provide an accurate historical record of the software code's evolution. In this paper we examine the frequency of the security-related bugs throughout the evolution of a software...
Debugging is a time-consuming activity. To help in debugging, many approaches have been proposed to pinpoint the location of errors given labeled failures and correct executions. While such approaches have been shown to be accurate, at times the location alone is not sufficient in helping programmers understand why the bug happens and how to fix it. Furthermore, a single location might not be powerful...
Bug fixing accounts for a large amount of the software maintenance resources. Generally, bugs are reported, fixed, verified and closed. However, in some cases bugs have to be re-opened. Re-opened bugs increase maintenance costs, degrade the overall user-perceived quality of the software and lead to unnecessary rework by busy practitioners. In this paper, we study and predict re-opened bugs through...
A widely shared belief in the software engineering community is that stack traces are much sought after by developers to support them in debugging. But limited empirical evidence is available to confirm the value of stack traces to developers. In this paper, we seek to provide such evidence by conducting an empirical study on the usage of stack traces by developers from the ECLIPSE project. Our results...
FLOSS distributions like RedHat and Ubuntu require a lot more complex infrastructures than most other FLOSS projects. In the case of community-driven distributions like Debian, the development of such an infrastructure is often not very organized, leading to new data sources being added in an impromptu manner while hackers set up new services that gain acceptance in the community. Mixing and matching...
A lot of information can be obtained from configuration management systems and post-release bug databases like Bugzilla. In this paper we focus on the question whether there are language specific bug patterns in large programs. For this purpose we implemented a system for extracting the necessary information from the Mozilla project files. A comparison of the extracted information with respect to...
Software development results in a huge amount of data: changes to source code are recorded in version archives, bugs are reported to issue tracking systems, and communications are archived in e-mails and newsgroups. We present techniques for mining version archives and bug databases to understand and support software development. First, we introduce the concept of co-addition of method calls, which...
Every bug has a story behind it. The people that discover and resolve it need to coordinate, to get information from documents, tools, or other people, and to navigate through issues of accountability, ownership, and organizational structure. This paper reports on a field study of coordination activities around bug fixing that used a combination of case study research and a survey of software professionals...
Developers of open source projects are distributed across the world. They rely on email, mailing lists, instant messaging, IRC channels and more recently IRC meetings to communicate. Most of the studies thus far focus on the use of mailing lists by OSS developers, however, an increasing number of open source projects are using IRC meetings to hold developer meetings. In this paper, we mine the #gtk-devel...
Recent research has tried to identify changes in source code repositories that fix bugs by linking these changes to reports in issue tracking systems. These changes have been traced back to the point in time when they were previously modified as a way of identifying bug introducing changes. But we observe that not all changes linked to bug tracking systems are fixing bugs; some are enhancing the code...
Software repositories contain an enormous amount of information regarding the evolution of any large software system. In our experiments we choose the dataset of the freely available Mozilla CVS repository. We downloaded 9552 program files (C++), extracted the CVS log data, and extracted the Mozilla bugs information from the Bugzilla database. From these sources we extracted the program file change...
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