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Node.js Crashes: Unhandled Promise Rejections, EADDRINUSE, uncaughtException and Heap Out of Memory

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Self-Hosting & Infra intermediate 6 min read $0.01 Updated 2026-10-20

Node 22 crash behaviors observed: unhandled rejection exit code 1, unawaited async throws, a listener that hides the crash, EADDRINUSE on listen, uncaught errors inside setTimeout, emitter error events, and heap out of memory flags.

Your Node process exits unexpectedly. See why unhandled rejections now kill the process, handle EADDRINUSE and error events, avoid try/catch around timers, and raise or diagnose the heap limit.

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#nodejs#errors#promises#crash#memory

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