Unverified50% confidenceSolutionExact time
Once final JSON parsing fails, subsequent semantic checks are skipped entirely, which is the technical root cause of the 'task completed yet zero score' phenomenon.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe most common model failure is returning something that is 'almost JSON,' such as extra commas, markdown code fences, verbose preambles, or writing the number 3 as the word 'three,' with the AI node reporting success while the workflow crashes only several steps later when parsing fails.79% similarUnverifiedIn this case, the JSON parsing exception is most likely merely a symptom of the failure rather than the root cause itself74% similarUnverified工具调用的可靠性高度依赖模型输出严格遵循预定义的 JSON Schema，任何字段类型偏差、缺失或多余都可能导致框架层的解析失败71% similarUnverified隐形字符可能导致字符串比较失败、正则匹配失效、JSON解析错误或数据库查询返回空结果等难以调试的bug69% similarUnverified面试题为如何改进原生JSON.stringify方法来处理对象循环引用导致序列化失败的场景68% similar
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