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PostgreSQL Error 08006: Connection failure

Critical↻ Retryable · exponential backoffHTTP 503 Service UnavailableNetwork

TL;DR · 10-second read

The TCP connection to Postgres dropped mid-session (failover, restart, idle timeout at a proxy). Reconnect with backoff and set keepalives so pooled connections are validated.

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What you see · exact log / response

Error: Connection terminated unexpectedly
    at Connection.<anonymous> (/app/node_modules/pg/lib/client.js:132:73)
SQLSTATE 08006: server closed the connection unexpectedly
	This probably means the server terminated abnormally
	before or while processing the request.

Fix

Being written

Copy-paste fixes for 08006 are in the enrichment queue

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Related errors

Last verified 2026-10-12 · Source: Official Appendix A error codes (errcodes.txt in the postgres repo) · Official docs ↗ · ~3,600 searches/mo