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James' Growth Diary
James' Growth Diary
May 1, 2026 · Artificial Intelligence

10 Real-World LangGraph Production Pitfalls That Can Crash Your App

The article details ten production‑grade pitfalls encountered when using LangGraph—ranging from misusing thread IDs and unbounded state growth to uncaught tool errors, infinite loops, concurrency conflicts, subgraph field mismatches, HITL timeouts, and misconfigured LangSmith tracing—each illustrated with concrete code, root‑cause analysis, and concrete remediation steps.

AI agentsCheckpointLLM
0 likes · 14 min read
10 Real-World LangGraph Production Pitfalls That Can Crash Your App
Java Companion
Java Companion
Nov 13, 2025 · Backend Development

When a New Developer Swapped MyBatis for MyBatis‑Plus and Got Scolded by the Team Lead

The article walks through replacing MyBatis 3.5.0 with MyBatis‑Plus 3.1.1 in a legacy Java project, uncovers version‑specific LocalDateTime conversion failures, shows how upgrading mysql‑connector‑java resolves them, and reflects on the broader impact of component upgrades on production stability.

Connector UpgradeLocalDateTimeMyBatis
0 likes · 8 min read
When a New Developer Swapped MyBatis for MyBatis‑Plus and Got Scolded by the Team Lead
IT Services Circle
IT Services Circle
Oct 12, 2025 · Backend Development

Mastering CPU Bottleneck Diagnosis in Java with Arthas

This guide explains how to use Alibaba's open‑source Java diagnostic tool Arthas to non‑intrusively monitor, locate, and resolve CPU performance bottlenecks in production Java applications, covering installation, key commands, a step‑by‑step troubleshooting workflow, and a real‑world case study.

ArthasCPU profilingJava performance
0 likes · 16 min read
Mastering CPU Bottleneck Diagnosis in Java with Arthas
Code Ape Tech Column
Code Ape Tech Column
Sep 11, 2025 · Backend Development

Instantly Debug SpringBoot Apps in Production Without Restart

This article introduces a SpringBoot online debugging injector that lets backend developers add, adjust, and remove fine‑grained debug rules at runtime, eliminating midnight alarm calls, costly redeployments, and performance bottlenecks while keeping production services safe and uninterrupted.

ByteBuddyInstrumentationJava Agent
0 likes · 18 min read
Instantly Debug SpringBoot Apps in Production Without Restart
Architect's Guide
Architect's Guide
Aug 24, 2024 · Backend Development

Common Intermittent Issues in Production and How to Diagnose Them

This article examines various intermittent problems that surface in production environments—such as concurrency bugs, cache inconsistencies, dirty data, boundary‑value failures, hardware limits, and improper shutdown—provides categorized scenarios, concrete code examples, and practical lessons for preventing and troubleshooting these elusive issues.

intermittent bugsproduction debugging
0 likes · 12 min read
Common Intermittent Issues in Production and How to Diagnose Them
Java Tech Enthusiast
Java Tech Enthusiast
Jan 30, 2024 · Backend Development

Common Intermittent Bugs in Production: Scenarios, Cases, and Prevention

Production teams often face intermittent bugs that slip through local and test environments, typically caused by concurrency issues, cache inconsistencies, mutable shared templates, improper thread‑local cleanup, unsynchronized async tasks, race conditions, and resource failures, so writing thread‑safe code, simulating real traffic, logging clearly, and ensuring graceful shutdowns are essential for prevention.

concurrencyintermittent bugsproduction debugging
0 likes · 14 min read
Common Intermittent Bugs in Production: Scenarios, Cases, and Prevention
政采云技术
政采云技术
Dec 23, 2021 · Frontend Development

Practical Chrome DevTools Debugging Techniques for Frontend Production Environments

This comprehensive guide explores essential Chrome DevTools techniques for debugging frontend applications in production environments, covering methods to distinguish frontend and backend errors, efficiently locate problematic code using global search, debug minified JavaScript with local source maps, and apply real-time code modifications through local overrides.

Chrome DevToolsJavaScript minificationLocal Overrides
0 likes · 9 min read
Practical Chrome DevTools Debugging Techniques for Frontend Production Environments
Architecture Digest
Architecture Digest
Jul 6, 2021 · Operations

Non‑Invasive Production Debugging: An Emerging DevOps Trend

The article explores the rising DevOps trend of non‑invasive production debugging, explaining its advantages over traditional log‑based methods, detailing instrumentation techniques, showing code examples, and highlighting its impact on key DevOps metrics and industry adoption.

APMDevOpsInstrumentation
0 likes · 13 min read
Non‑Invasive Production Debugging: An Emerging DevOps Trend
MaGe Linux Operations
MaGe Linux Operations
Oct 30, 2019 · Backend Development

How a Midnight Migration Tested a Programmer’s Problem‑Solving Skills

A senior developer recounts a high‑pressure midnight migration from an aging monolithic platform to a new micro‑service system, describing the technical challenges, ad‑hoc multithreading solutions, and the crucial problem‑solving mindset required to keep millions of transactions running smoothly.

backend-migrationmultithreadingproblem solving
0 likes · 15 min read
How a Midnight Migration Tested a Programmer’s Problem‑Solving Skills
Aotu Lab
Aotu Lab
Feb 25, 2016 · Backend Development

How to Debug Node.js in Production: Performance, Crashes, and Memory Leaks

This guide explains practical techniques for diagnosing Node.js production issues, covering request‑latency analysis, CPU profiling with perf and FlameGraph, crash investigation via Core Dumps and mdb_v8, and memory‑leak detection using gcore and mdb_v8 diff tools.

CPU FlameGraphNode.jscore dump
0 likes · 11 min read
How to Debug Node.js in Production: Performance, Crashes, and Memory Leaks