Technologies/LangChain/langchain_tool_error
LangChainLangChainMetric

langchain_tool_error

Number of tool execution errors
Dimensions:None
Available on:OpenTelemetryOpenTelemetry (1)
Interface Metrics (1)
OpenTelemetryOpenTelemetry
Number of tool execution errors
Dimensions:None
Sources
langchain.tool.error_countopentelemetry.io

Technical Annotations (1)

Error Signatures (1)
RecursionErrorexception
Related Insights (6)
Tool Execution Timeout Cascadewarning

Tool executions that timeout continue chain processing with missing data, causing downstream errors or poor quality outputs without clear failure signals.

▸
Tool Error Rate as Dependency Health Proxywarning

langchain_tool_error spikes often reflect downstream API failures, rate limits, or network issues—not application bugs. Treating tool errors in isolation misses the root cause: external service degradation.

▸
Parallel tool calls merge bug could corrupt tool execution resultscritical
▸
Empty tool chunk IDs now treated as missing in merge operationswarning
▸
Recursion error prevented when tool args_schema is dictwarning
▸
Improved error messages for non-JSON-serializable tool schemasinfo
▸