Programming Tutorials

  You have likely encountered it: the dreaded   SQLITE_BUSY: database is locked   error. In a standard Node.js server environment, SQLite behaves predictably. But inside Electron, things get complicated. You launch a second window, attempt a write operation, and suddenly your application crashes or hangs. Even enabling Write-Ahead Logging (WAL) doesn't seem to solve the concurrency issues completely. This is a structural problem, not a library bug. This guide details the architectural root cause of SQLite locking in Electron and provides a production-grade implementation using the  IPC Broker Pattern  to solve it permanently. The Root Cause: Process Isolation vs. File System To solve the locking issue, you must understand the mismatch between Electron's process model and SQLite's concurrency model. 1. The Electron Process Model Electron uses a multi-process architecture based on Chromium. The Main Process:  Runs the application lifecycle and Node.js primiti...