OFSC Activity update integration not triggered in OIC Oracle integration Cloud.

Summary

OFSC Activity update integration not triggered in OIC. The integration WSDL is not getting generated after activation of integration.

Content

Hi Experts,

We are encountering the following issue while configuring the Intergrations bwrween OFSC to B2B  Secice .

OFSC Activity update integration is not triggered in OIC. The integration WSDL is not getting generated after activation of integration.

we are getting the following error

Error 503--Service Unavailable
From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:
503 Service Unavailable
The server encountered an unexpected condition which prevented it from fulfilling the request.

Server unable to handle request /ic/ws/integration/v1/flows/ofsccloudadapter/OFSC_OEC_ACTIVI_UPDATE_159792/19.0/. Either the proxy-service is turned off, or no message receiver was found to match the request