When Your ChatLlamaCpp Stream Causes an Infinite Loop

You've been there. Your AI agent gets stuck in an infinite loop, and you're left staring at a spinning cursor. You comb through logs, try to reproduce the issue locally, and waste hours debugging. Sound familiar? Let's dig into why this happens and how to fix it.

The Pain

You're using LangChain.js to build an AI agent with ChatLlamaCpp. Everything seems fine until, out of nowhere, your stream runs into an infinite loop. Your logs are filled with repeated calls, and your CPU usage spikes. Worse, you have no idea what's causing it. Frustrating, right? This cost me 3 hours last Tuesday.

Why It Happens