Error codes in Micro Integrator

This section describes error codes and their meanings.

Transport Error Codes

Error Code Detail
101000 Receiver input/output error sending
101001 Receiver input/output error receiving
101500 Sender input/output error sending
101501 Sender input/output error receiving
101503 Connection failed
101504 Connection timed out (no input was detected on this connection over the maximum period of inactivity)
101505 Connection closed
101506 NHTTP protocol violation
101507 Connection canceled
101508 Request to establish new connection timed out
101509 Send abort
101510 Response processing failed

If the HTTP PassThrough transport is used, and a connection-level error occurs, the error code is calculated using the following equation:

Error code = Base error code + Protocol State

The sender side of the transport matches the protocol state, which changes according to the phase of the message.

Following are the possible protocol states and the description for each:

Protocol State Description
REQUEST_READY (0) Connection is at the initial stage ready to send a request
REQUEST_HEAD(1) Sending the request headers through the connection
REQUEST_BODY(2) Sending the request body
REQUEST_DONE(3) Request is completely sent
RESPONSE_HEAD(4) The connection is reading the response headers
RESPONSE_BODY(5) The connection is reading the response body
RESPONSE_DONE(6) The response is completed
CLOSING(7) The connection is closing
CLOSED(8) The connection is closed

Since there are several possible protocol states in which a request can time out, you can calculate the error code accordingly using the values in the table above. For example, in a scenario where you send a request and the request is completely sent to the backend, but a timeout happens before the response headers are received, the error code is calculated as follows:

In this scenario, the base error code is CONNECTION_TIMEOUT(101504) and the protocol state is REQUEST_DONE(3).

Therefore, Error code = 101504 + 3 = 101507

Endpoint Error Codes

This section describes the error codes for endpoint failures. For more information on handling endpoint errors, see Endpoint Error Handling.

General errors

Error Code Detail
303000 Load Balance endpoint is not ready to connect
303000 Recipient List Endpoint is not ready
303000 Failover endpoint is not ready to connect
303001 Address Endpoint is not ready to connect
303002 WSDL Address is not ready to connect

Failure on endpoint in the session

Error Code Detail
309001 Session aware load balance endpoint, No ready child endpoints
309002 Session aware load balance endpoint, Invalid reference
309003 Session aware load balance endpoint, Failed session

Non-fatal warnings

Error Code Detail
303100 A failover occurred in a Load balance endpoint
304100 A failover occurred in a Failover endpoint

Referring real endpoint is null

Error Code Detail
305100 Indirect endpoint not ready

Callout operation failed

Error Code Detail
401000 Callout operation failed (from the Callout mediator)
401001 Blocking call operation failed (from the Call mediator when you have enabled blocking in it).
401002 Blocking sender operation failed (from the Call mediator when you have enabled blocking in it).

Custom Error Codes

Error Code Detail
500000 Endpoint Custom Error - This error is triggered when the endpoint is prefixed by <property>name="FORCE_ERROR_ON_SOAP_FAULT" value="true"/>, which enhances the failover logic by marking an endpoint as suspended when the response is a SOAP fault.
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