1952439 - BubbleException in SOAP receiver channel during sending data to backend Integration Engine using XI Message Protocol

You have a SOAP Receiver channel configured using XI Message Protocol, and trying to send data to one Integration Engine, but in the channel monitoring you see this error message:

Message processing failed. Cause: com.sap.engine.interfaces.messaging.api.exception.MessagingException: com.sapaii.af.sdk.xi.srt.BubbleException: HTTP Response Received. Status Code = 500 [null "null"]
SOAP: call failed: com.sap.aii.af.sdk.xi.srt.BubbleException: HTTP Response Received. Status Code = 500 [null "null"]

In the receiver system in ST01 Transaction you see this other error message for the logon user what you use in the receiver SOAP channel:

Server            : 500 Error during conversion of XI message HTTP POST <server name>

The TCP Gateway Trace shows the following error received from the target server:

HTTP/1.0 500 Error during conversion of XI message
set-cookie: sap-usercontext=sap-language=EN&sap-client=100; path=/
content-type: text/xml
content-length: 727
content-id: <soap-0017A47730621EE385903773C6884C71@sap.com>
soapaction: 'http://sap.com/xi/XI/Message/30'
sap-xi-messageid: 00000000000000000000000000000000
server: SAP NetWeaver Application Server / ABAP 731

<SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP:Header>
</SOAP:Header>
<SOAP:Body>
<SOAP:Fault xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
  <faultcode>SOAP:Client</faultcode>
  <faultstring>Error during conversion of XI message</faultstring>
  <faultactor>http://sap.com/xi/XI/Message/30</faultactor>
  <detail><SAP:Error SOAP:mustUnderstand="1" xmlns:SAP="http://sap.com/xi/XI/Message/30">
  <SAP:Category>XIProtocol</SAP:Category><SAP:Code area="MESSAGE">NOT_AUTHORIZED_IF_OP</SAP:Code>
  <SAP:P1>OMPCPIC</SAP:P1><SAP:P2/><SAP:P3/><SAP:P4/><SAP:AdditionalText/><SAP:Stack>User <username> is not authorized to use message type
</SAP:Stack></SAP:Error></detail></SOAP:Fault>
</SOAP:Body>
</SOAP:Envelope>

• SAP NetWeaver
• SAP Process Integration
• SAP Process Orchestration

SU53, S_SERVICE, authorization object, SAP_XI_APPL_SERV_USER, NOT_AUTHORIZED_IF_OP, BubbleException, MessagingException, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, XI, AEX , KBA , BC-XI-CON-SOP , SOAP Adapter , BC-XI-IS-IEN , Integration Engine , Problem