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Qwen Code 0.22.3 bug breaks llama.cpp integration with tool schema limits

By PulseAugur Editorial · [1 sources] ·

A bug in Qwen Code 0.22.3 causes API errors when interacting with llama.cpp servers due to overly large string maxLength limits in its built-in tool schemas. These large limits prevent llama.cpp from successfully compiling the necessary grammar for tool calling, leading to a 400 error before any model generation occurs. The issue can be temporarily resolved by setting `tools.eager` to an empty list in the Qwen Code settings, which defers tool schema processing until they are actually used. AI

IMPACT This bug highlights potential integration issues between LLM clients and local inference servers, requiring careful schema management for tool use.

RANK_REASON The item describes a bug in a specific version of a software tool (Qwen Code) that affects its integration with another tool (llama.cpp), along with a workaround.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Qwen Code 0.22.3 bug breaks llama.cpp integration with tool schema limits

How we ranked this

Signal score
38 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The item describes a bug in a specific version of a software tool (Qwen Code) that affects its integration with another tool (llama.cpp), along with a workaround.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
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High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · MilkyWay008 ·

    Qwen Code 400 "failed to parse grammar" against llama.cpp? Here's the fix

    <p>If you run Qwen Code against a local llama.cpp server, you may have woken up one morning to every request dying with:<br /> </p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>API Error: 400 Failed to initialize samplers: failed to parse gramm…

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