SOA 11g/12c: ORAMED-03503 and ORAMED-03504 Mediator Exceptions, ‘MediatorException: ORAMED-03503’, due to Transaction Timeout:

Error:

JTA transaction timeout:  

ORAMED-03503 and ORAMED-03504 Mediator Exceptions, ‘MediatorException: ORAMED-03503’, due to Transaction Timeout

Solution: 

Step 1: Login to Weblogic Console.
Step 2: Navigate to SOA_domain -> services -> JTA.
Step 3: Change ‘Timeout Seconds’ from 30 to 600.
Step 4: Save and restart SOA server.