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JD Tech Talk
JD Tech Talk
May 6, 2025 · Backend Development

Building a Java Method Call‑Stack Tracing Tool to Accelerate Issue Diagnosis

This article describes the pain points of daily on‑call debugging, explains how Java StackTraceElement can be leveraged to construct a chain‑style call‑stack visualizer, details the implementation of a lightweight tracing utility with configurable filters, and demonstrates its integration and practical usage in production environments.

JavaPerformanceStackTrace
0 likes · 14 min read
Building a Java Method Call‑Stack Tracing Tool to Accelerate Issue Diagnosis
DaTaobao Tech
DaTaobao Tech
Feb 7, 2024 · Backend Development

Log Management Practices for Reducing Cost and Improving Efficiency

The article presents a log‑governance case study that tackles classification, format, and tool chaos by introducing a three‑layer log hierarchy, simple non‑overlapping classification, fixed‑order CSV formatting, and reverse‑printed stack traces, achieving up to 88 % size reduction while improving cost efficiency and adaptability.

LoggingPerformanceStackTrace
0 likes · 15 min read
Log Management Practices for Reducing Cost and Improving Efficiency
Cognitive Technology Team
Cognitive Technology Team
Aug 13, 2022 · Fundamentals

Is java.lang.String Truly Immutable? Reflection Bypass in Java 11 and Prevention in Java 17

This article explains how java.lang.String, traditionally considered immutable, can be altered via reflection in Java 11, how Java 17 blocks such modifications with exceptions, and demonstrates using StackTrace-based checks and other practical applications for security and debugging in Java.

JavaStackTraceString immutability
0 likes · 4 min read
Is java.lang.String Truly Immutable? Reflection Bypass in Java 11 and Prevention in Java 17