Abstract
ContextWe observed a special type of bug reopen that has no direct impact on the user experience or the normal operation of the system being developed. We refer to these as non-negative bug reopens. ObjectiveNon-negative bug reopens are novel and somewhat contradictory to popular conceptions. Therefore, we thoroughly explored these phenomena in this study. MethodWe begin with a novel approach that preliminarily characterizes non-negative bug reopens. Based on bug reports extracted from Eclipse Bugzilla, we then examined a case study to compare non-negative and regular bug reopens using the Wilcoxon-Mann-Whitney test. ResultsThe results show that non-negative bug reopens are statistically significantly different than regular bug reopens, based on their survival times and the number of developers involved in the entire debugging process. ConclusionTaking into account the significant differences, we suggest that the effects of non-negative bug reopens should be considered in future research in related areas, such as bug triage and reopened bug prediction.
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