Log additional context for SuccessFactors errors.

common/djangoapps/third_party_auth/saml.py

@@ -307,15 +307,19 @@ class SapSuccessFactorsIdentityProvider(EdXSAMLIdentityProvider):
             response = response.json()
         except requests.RequestException as err:
             # If there was an HTTP level error, log the error and return the details from the SAML assertion.
-            log.warning(
-                'Unable to retrieve user details with username %s from SAPSuccessFactors for company ID %s '
-                'with url "%s" and error message: %s',
-                username,
-                self.odata_company_id,
-                odata_api_url,
-                err.message,
-                exc_info=True,
+            sys_msg = err.response.json() if err.response else "Not available"
+            log_msg_template = (
+                'Unable to retrieve user details with username {username} from SAPSuccessFactors for company ' +
+                'ID {company} with url "{url}".  Error message: {err_msg}.  System message: {sys_msg}.'
+            )
+            log_msg = log_msg_template.format(
+                username=username,
+                company=self.odata_company_id,
+                url=odata_api_url,
+                err_msg=err.message,
+                sys_msg=sys_msg
             )
+            log.warning(log_msg, exc_info=True)
             return details
 
         return self.get_registration_fields(response)

common/djangoapps/third_party_auth/tests/specs/test_testshib.py

@@ -517,8 +517,9 @@ class SuccessFactorsIntegrationTest(SamlIntegrationTestUtilities, IntegrationTes
         with LogCapture(level=logging.WARNING) as log_capture:
             super(SuccessFactorsIntegrationTest, self).test_register()
             expected_message = 'Unable to retrieve user details with username {username} from SAPSuccessFactors ' \
-                               'for company ID {company_id} with url "{odata_api_url}" and error message: ' \
-                               '500 Server Error: Internal Server Error for url: {odata_api_url}'.format(
+                               'for company ID {company_id} with url "{odata_api_url}".  Error message: ' \
+                               '500 Server Error: Internal Server Error for url: {odata_api_url}.  System message: ' \
+                               'Not available.'.format(
                                    username=self.USER_USERNAME,
                                    company_id=odata_company_id,
                                    odata_api_url=mocked_odata_ai_url,