Span-Attributes-Reported.md

Span Attributes

When using New Relic Java Agent 6.4 or later and release 2.0 or later of the Mule 4 instrumentation, attributes are added to the spans in Distributed Tracing. This document details the attributes reported.

Classes implementing the Processor interface and the process method

Core Event

The process method has an input CoreEvent parameter and returns an output CoreEvent. The key name is prefixed with the direction and a '-'

Key
Input-CorrelationId
Input-ID
Input-Location
Returned-CorrelationId
Returned-ID
Returned-Location

Classes implementing the Sink interface and the emit method

Core Event

The emit method has an input CoreEvent parameter. The key name is prefixed with the direction and a '-'

Key
Input-CorrelationId
Input-ID
Input-Location

Classes implementing the Sink interface and the emit method

Core Event

The routeEvent method has an input CoreEvent parameter and it returns a CoreEvent.

Key
Input-CorrelationId
Input-ID
Input-Location
Returned-CorrelationId
Returned-ID
Returned-Location

Class InvokerMessageProcessor and process method

Tracks the input parameter CoreEvent

Key
CorrelationId
ID
Location

Classes that extend AbstractMessageProcessorChain process method

The process method has an input CoreEvent parameter and returns an output CoreEvent. The key name is prefixed with the direction and a '-'

Key
Input-CorrelationId
Input-ID
Input-Location
Returned-CorrelationId
Returned-ID
Returned-Location

Classes that implement MessageProcessPhase runPhase method

Key
Location

Classes that extend AbstractExecutableComponent execute method

Key
CorrelationId
ID
Location

Class MessageProcessors processWithChildContext method

Key
Input-CorrelationId
Input-ID
Input-Location