Help Center/ Application Performance Management/ Service Overview（2.0）/ Metric Overview/ Open Tracing/ Exception

Updated on 2025-11-19 GMT+08:00

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Exception

Exception is a collector to collect exception logs. The information includes the categories, names, descriptions, units, data types, and default aggregation modes of metrics.

**Table 1** Exception metrics
Category	Metric	Name	Description	Unit	Data Type	Default Aggregation Mode
Exception logs (exception: statistics about all exception logs)	exceptionType	Exception Type	Exception type	-	ENUM	LAST
	count	Count	Number of times that an exception has occurred	-	INT	SUM
	message	Exception Message	Message returned when the exception occurred	-	STRING	LAST
	stackTrace	Exception Stack	Exception stack	-	CLOB	LAST
	traceId	Error Trace ID	ID of the trace that encounters an error in a collection period	-	STRING	LAST

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