Buglyst Blog
Learn to debug under pressure.
Playbooks for fast pattern recognition, guides for the full investigation, and articles for the engineering judgment around the edges.
17 playbooks · 509 guides · 95 articles · 12 linked practice labs ·skip to practice
Fast pattern recognition for the production failures engineers see most often.
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Structured investigations for the failure modes engineers meet in real systems.
Diagnosing Missing Cookies in Nuxt SSR Server Context
Nuxt SSR often fails to read cookies server-side if headers are misrouted or missing. This guide shows where things break and how to reliably retrieve cookies in SSR.
Node.js Inspector Debugger: Diagnosing Protocol Disconnections and Async Breakpoints
A practical guide to debugging Node.js with the inspector protocol—covering disconnections, async stacks, and breakpoint failures.
Java Thread Deadlock Detection with jstack: A Practical Guide
Learn how to detect and fix Java thread deadlocks using jstack. This guide covers real-world patterns, command-line usage, and common pitfalls.
Spring Boot Auto-configuration Not Loading: Debugging Conditional Beans
A hands-on guide to debugging Spring Boot auto-configuration failures caused by missing or mismatched conditions, with concrete commands and real-world war stories.
Spring @Transactional Not Rolling Back: Root Causes & Fixes
A senior engineer's guide to why Spring @Transactional fails to roll back — covering checked exceptions, proxy bypass, and connection commit ordering.
Spring Boot Application Startup Failure: A Practical Debugging Guide
A concise guide to diagnosing Spring Boot startup failures with concrete commands, logs, and root causes.
Long-form thinking on debugging habits, observability, and the systems around the bug.
Five Debugging Habits That Separate Seniors from Juniors
It's not tools. It's not years of experience. It's five repeatable habits that senior engineers do reflexively and juniors haven't built yet.
The Real Cost of Console.log Debugging (and What to Use Instead)
Every engineer reaches for console.log. Most do not think about what it costs — in time, in performance, or in production readiness. Here is the honest accounting.
Interpreting Stack Traces: Practical Steps for Faster Debugging
Stack traces can be dense, but reading them fluently accelerates triage and root cause analysis. This article explains how to extract actionable information, with real-world context.
Efficient Debugging with git bisect: Going Beyond Binary Search
This article explains how to incorporate git bisect into your debugging workflow, focusing on practical execution, automation, and common edge cases.
Applying Rubber Duck Debugging to Complex Engineering Problems
Rubber duck debugging isn’t just a quirky solo exercise. I’ll show how explaining code out loud surfaces misunderstandings and reduces wasted team cycles.
Writing Bug Reports That Developers Appreciate
A good bug report is more than a template. Learn which details actually move the needle, and which common 'best practices' waste developer time.