Node.jsAbout 4 min read
EADDRINUSE: diagnose the listener and close what you own
Find why a local HTTP bind fails, distinguish a port conflict from a lifecycle leak, and verify a bounded repair without terminating unrelated processes.
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Node.js — Technical solutions
Find a clear diagnosis before you change anything. Each guide explains the symptoms, likely causes, a contextual solution and how to verify the result.
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Node.jsAbout 3 min read
Module not found and CommonJS–ESM mismatches
Separate path resolution, module format, and export-contract failures before changing package installation.
Read solutionNode.jsAbout 4 min read
Unhandled rejections: restore ownership of asynchronous work
Find detached promises, place a meaningful error boundary, and verify both failure handling and resource cleanup.
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