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server : move chat-template thinking probe inside the init try/catch (#24093)

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A model whose chat template parses at init but fails parser generation
at apply time (e.g. uses {% call %}) throws std::invalid_argument from
common_chat_templates_support_enable_thinking(), which ran outside the
try/catch guarding common_chat_templates_init(). The throw was uncaught
and llama-cli aborted (SIGABRT) instead of failing to load. Moved the
probe inside that try/catch so an apply-time error fails load the same
way an init parse error does.

Signed-off-by: Jesse LaRose <jesse@taey.ai>
This commit is contained in:
Jesse LaRose
2026-07-09 12:37:39 -04:00
committed by GitHub
parent 5c3a586860
commit 82fce65d8b
1 changed files with 7 additions and 7 deletions
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tools/server/server-context.cpp
+7 -7
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@@ -1444,6 +1444,7 @@ private:
// populate chat template params
{
common_chat_templates_ptr chat_templates;
bool enable_thinking = false;
try {
chat_templates = common_chat_templates_init(model_tgt, params_base.chat_template);
@@ -1451,6 +1452,12 @@ private:
SRV_TRC("%s: chat template, example_format: '%s'\n", __func__,
common_chat_format_example(chat_templates.get(), params_base.use_jinja, params_base.default_template_kwargs).c_str());
// thinking is enabled if:
// 1. It's not explicitly disabled via --reasoning off
// 2. The chat template supports it
const bool template_supports_thinking = params_base.use_jinja && common_chat_templates_support_enable_thinking(chat_templates.get());
enable_thinking = params_base.enable_reasoning != 0 && template_supports_thinking;
SRV_TRC("%s: chat template, thinking = %d\n", __func__, enable_thinking);
} catch (const std::exception & e) {
SRV_ERR("%s: chat template parsing error: %s\n", __func__, e.what());
SRV_ERR("%s: please consider disabling jinja via --no-jinja, or use a custom chat template via --chat-template\n", __func__);
@@ -1458,13 +1465,6 @@ private:
return false;
}
// thinking is enabled if:
// 1. It's not explicitly disabled via --reasoning off
// 2. The chat template supports it
const bool template_supports_thinking = params_base.use_jinja && common_chat_templates_support_enable_thinking(chat_templates.get());
const bool enable_thinking = params_base.enable_reasoning != 0 && template_supports_thinking;
SRV_TRC("%s: chat template, thinking = %d\n", __func__, enable_thinking);
// IMPORTANT: chat_params is reused across sleeping / resuming states,
// never store llama_context/llama_model pointers in chat_params,
// as they may be invalidated after sleeping