When is a Fault Rule Step executed in having PostClientFlow?

Google Cloud Apigee
1

Hi Team,

A customer wants to know when exactly the Step defined in FaultRule of TargetEndpoint executed.

The error called ‘TargetError’ is invoked by the condition where , is not reachable. So the error message log we see is:

ERROR HTTP.CLIENT - HTTPClient$Context.onConnectFailure() :  connect to null failed with exception {}
java.lang.RuntimeException: Host not reachable

And a has a MessageLogging policy called ‘LoggingResponse’.

Then we see the following 3 cases of the sequence of execution as it’s recorded on Trace log:

  • case-1: TargetError > Staring PostClientFlow> LoggingResponse
  • case-2: Staring PostClientFlow > TargetError > LoggingResponse
  • case-3: Staring PostClientFlow > LoggingResponse > TargetError

So we see that ‘TargetError’ appears in one of the above 3 positions in the flows.

Is this by design or anything wrong with this behavior?

Someone please give us advices.

Regards,
Toshi