What is the reasons for Defect Leakage?
- Lack of discipline
- Do not know what to do
- Lack of domain knowledge
- Do not care about any process – will do my way
- Jumping into coding without think / understanding the problem / requirement
- Increasing checkstyle errors
- Increasing Find bugs
- No coding guidelines followed
- No Junits
- Bad design
- Bugzilla comments are not appropriate / complete
The step by step approach to avoid defect leakage is as follows:
Step-1 : List down all the critical issues faced during the project period.
Step-2 : Analyze which issue topped the chart i.e which issue contributed the major percentage.
These two steps are done using the Pareto diagram.
Step-3 : For that particular issue find out the various possible reasons that could have been a cause for the issue and analyze on every reasons.
Step-4 : Narrow down on the cause of the issue.
The above two steps are done using the fish bone diagram.
Step-5 : Now with the analyzed data , gather your team and draw a why why diagram and there you are with your solution.
Step-6 : Find a permanent fail proof solution for the reason found out.
Step-7 : Document your finding and data analyzed.
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