Release v2.2.9
Optimized tag of exception for tracer. (#4082) * Optimized tag of exception for tracer. * allow user to change the tags of exception when using tracer. * Use setTag instead of log.
Optimized tag of exception for tracer. (#4082) * Optimized tag of exception for tracer. * allow user to change the tags of exception when using tracer. * Use setTag instead of log.