Interview #223: What are the essential fields, when logging a new Defect?

When logging a new defect in a defect tracking or bug management system (such as Jira, Bugzilla, or Azure DevOps), it is crucial to provide complete and clear information to ensure that developers and other stakeholders can easily understand, reproduce, and fix the issue. The quality of a defect report directly impacts the speed and effectiveness of the debugging and resolution process.

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Here’s a long and detailed answer to “What are the essential fields to be filled when logging a new defect?”:

✅ 1. Defect ID / Bug ID

Automatically generated by the system.

This is a unique identifier assigned to the defect by the tracking tool. It helps in referencing and tracking the bug across discussions, test cases, and reports.

✅ 2. Title / Summary

A brief and concise headline describing the defect.

• Should clearly state the issue without ambiguity.
• Avoid vague terms like “Not working” or “Issue found.”
• Example: "Login fails when using valid credentials on mobile view."

✅ 3. Description / Detailed Steps

A comprehensive explanation of the defect. This should answer:

• What is the issue?
• Where did it occur?
• How does it differ from expected behavior?

Often includes:

• Pre-conditions (e.g., user must be logged in)
• Steps to reproduce the issue (numbered format)
• Actual Result (what happened)
• Expected Result (what should have happened)

✅ 4. Severity

Indicates the impact of the defect on the application.

Common levels:

• Critical – Complete system crash or data loss
• High – Major functionality broken with no workaround
• Medium – Moderate impact with possible workaround
• Low – Minor UI or cosmetic issues

✅ 5. Priority

Represents the urgency of fixing the defect.

Defined based on business needs or release timelines.

• P1 – Must fix immediately
• P2 – Should fix before release
• P3 – Fix if time permits
• P4 – May fix in future releases

✅ 6. Environment / Test Environment

The system configuration where the issue occurred. Includes:

• OS (e.g., Windows 11, iOS 16.5)
• Browser or App Version (e.g., Chrome 114, Safari)
• Device (e.g., iPhone 13, Dell laptop)
• Environment (QA/UAT/Production)

✅ 7. Build or Version Number

Indicates the software build where the issue was found.

Helps developers identify the exact codebase and verify whether the defect is new or a regression.

✅ 8. Module / Component Name

The part of the application where the bug occurred.

This helps in assigning the issue to the correct development team or individual.

Example: Login Module, Payment Gateway, Notification Service

✅ 9. Attachment(s) / Evidence

Supporting documents or screenshots to validate the bug.

• Screenshots
• Screen recordings
• Logs (server, browser console, API responses)
• Test data used

Visual and technical evidence greatly helps in reproducing and debugging.

✅ 10. Steps to Reproduce

A clear, step-by-step set of instructions to recreate the defect. Use numbered points like:

1. Launch the application
2. Enter valid credentials
3. Click on Login
4. Observe the error message

Make sure these steps are replicable by someone who wasn’t involved in the test.

✅ 11. Actual Result

A brief statement describing what went wrong.

Example: User is redirected to a blank page after login.

✅ 12. Expected Result

A statement of what should have occurred instead.

Example: User should be redirected to the dashboard after successful login.

✅ 13. Reported By

Name or ID of the person logging the defect.

Useful for follow-up questions or additional information.

✅ 14. Assigned To

The developer or team responsible for resolving the defect.

This can be assigned manually or automatically based on the module/component.

✅ 15. Status

Indicates the current lifecycle stage of the defect.

Common statuses include:

• New/Open
• In Progress
• Fixed
• Reopened
• Closed
• Rejected
• Deferred

✅ 16. Tags / Labels (optional)

Additional keywords to help with searching and reporting. Example: UI, Regression, Security, Login, Mobile

✅ 17. Linked Test Case or Requirement (optional but useful)

Links to the test case that failed or the user story/requirement the bug is related to.

🔚 Conclusion:

Filling all essential fields while logging a defect ensures:

• Faster identification and resolution
• Better collaboration between testers and developers
• Easier tracking during regression cycles
• Clear documentation for future reference

A well-logged defect reflects the professionalism and analytical ability of a tester. It reduces unnecessary back-and-forth communication and contributes to better software quality.