Administering Mediator : Mediator Configurations : Configuring Global Service Fault Responses : The Fault Handler Variables
The Fault Handler Variables
The following fault handler variables are used in fault response messages. You can use these variables in the global Service Fault Configuration page and in a virtual service's Response Processing step.
Error Handler Variable
Description
$ERROR_MESSAGE
When a fault is returned by the native service provider, this variable contains the message produced by the provider's exception that caused the error. This is equivalent to the getMessage call on the Java Exception. This maps to the faultString element for SOAP 1.1 or the Reason element for SOAP 1.2 catch. For REST service calls, the message is returned inside an </Exception> tag. If the response is XML, the message is returned inside <Exception>'custom message'</Exception>. If the response is JSON, it is returned inside {"Exception":"Invalid response"}.
When a fault is returned by internal Mediator exceptions (policy violation errors, timeouts, and so on), this variable contains the error messages generated by Mediator.
$OPERATION
The operation that was invoked when this error occurred.
$SERVICE
The service that was invoked when this error occurred.
$TIME
The time (as determined on the Container side) at which the error occurred.
$DATE
The date (as determined on the Container side) at which the error occurred.
$CLIENT_IP
The IP address of the client invoking the service. This might be available for only certain invoking protocols, such as HTTP(S).
$USER
The currently authenticated user. The user is present only if the Transport or SOAP Message have user credentials.
$CONSUMER_APPLICATION
The currently identified consumer application. If the service's policy does not contain the Identify Consumer action, $CONSUMER_APPLICATION returns null.
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