Sentry Common Errors

Overview

Diagnose and fix the most frequently encountered Sentry SDK integration issues across Node.js, browser, and Python environments. Covers DSN validation, missing events, source map failures, rate limiting, SDK initialization ordering, serverless flush patterns, CORS configuration, and environment tagging.

Prerequisites

• Sentry SDK installed (@sentry/node v8+, @sentry/browser v8+, or sentry-sdk for Python)
• Access to Sentry dashboard with project admin or member role
• Application logs available for inspection
• sentry-cli installed for source map and release operations

Instructions

Step 1 — Detect the installed SDK and current configuration

!npm list @sentry/node @sentry/browser @sentry/react @sentry/nextjs 2>/dev/null | head -10 || echo "No Node.js Sentry SDK found"