Root Cause Tracing FAQs

Question 1

What is test pollution and how is it addressed?

Accepted Answer

Test pollution occurs when one test leaves side effects that cause later tests to fail. This skill utilizes bisection scripts to run tests individually and identify the specific 'polluter' test.

Question 2

What is the core principle of Root Cause Tracing?

Accepted Answer

The core principle is to never fix just the symptom where an error appears. Instead, you trace backward through the call chain until you find the original trigger and fix the issue at its source.

Question 3

How does this skill handle difficult-to-trace bugs?

Accepted Answer

It provides patterns for adding instrumentation, such as logging stack traces and environment context using console.error, to capture the state of the application immediately before a problematic operation occurs.

Question 4

What does defense-in-depth mean in this context?

Accepted Answer

Once a root cause is found, defense-in-depth involves adding validation at every layer of the call chain (from the source to the symptom) to ensure the bug cannot reoccur even if the source is modified later.

Question 5

When should I use the Root Cause Tracing skill?

Accepted Answer

Use it when errors occur deep in execution, when a stack trace shows a long call chain, or when it is unclear where invalid data or incorrect state originated.

Root Cause Tracing

主要功能

使用场景

Root Cause Tracing

主要功能

使用场景