Before execution of the masking job, User details were changed in Connection profile and masking job throwing the following exception:
"Org.springFramework.web.client.ResourceAccessException:I/O error on GET request for "Https://xxxxxx:8xx3/TDMModelService/api/ca/v1/data model/profiler/fdmr":Read timeout:nested exception is java.net.SocketTimeoutException:Read timed out".
In FDM, the default value of connection timeout is 60000 (60 seconds or 1 minute) which caused the issue.
Up to TDM 4.8.1 releases
Component : CA Test Data Manager
In TDM install folder, For examples \Program Files\CA\CA Test Data Manager Portal\conf\application.properties file, changing the property httpClient.readTimeout from the default value 60000 (60 seconds or 1 minute) to 300000 (300 seconds or 5 minutes) should resolve the issue.