diff -r c3252b31b98a -r 0aedb8dd6861 scc_access/scc_access.py
--- a/scc_access/scc_access.py	Thu Oct 04 10:38:50 2018 +0200
+++ b/scc_access/scc_access.py	Thu Oct 04 11:37:15 2018 +0200
@@ -167,7 +167,7 @@
         self.download_files(measurement_id, 'scc_plots', download_url)
 
     def rerun_processing(self, measurement_id, monitor=True):
-        measurement = self.get_measurement(measurement_id)
+        measurement, status = self.get_measurement(measurement_id)
 
         if measurement:
             request = self.session.get(measurement.rerun_processing_url, auth=self.auth,
@@ -186,7 +186,7 @@
         logger.debug("Started rerun_all procedure.")
 
         logger.debug("Getting measurement %s" % measurement_id)
-        measurement = self.get_measurement(measurement_id)
+        measurement, status = self.get_measurement(measurement_id)
 
         if measurement:
             logger.debug("Attempting to rerun all processing through %s." % measurement.rerun_all_url)
@@ -209,8 +209,10 @@
         """
         logger.info("--- Processing started on %s. ---" % datetime.datetime.now())
         # Upload file
+        logger.info("--- Uploading file")
         measurement_id = self.upload_file(filename, system_id, rs_filename=rs_filename)
 
+        logger.info("--- Monitoring processing")
         measurement = self.monitor_processing(measurement_id)
         return measurement
 
@@ -220,29 +222,34 @@
         # try to deal with error 404
         error_count = 0
         error_max = 6
+        time_sleep = 10
 
         # try to wait for measurement to appear in API
         measurement = None
-        while error_count < error_max or measurement is None:
-            measurement = self.get_measurement(measurement_id)
-            if measurement is None:
+        logger.info("looking for measurement %s in SCC", measurement_id)
+        while error_count < error_max:
+            time.sleep(time_sleep)
+            measurement, status = self.get_measurement(measurement_id)
+            if status != 200 and error_count < error_max:
+                logger.error("measurement not found. waiting %ds", time_sleep)
                 error_count += 1
-            time.sleep(10)
+            else:
+                break
 
         if error_count == error_max:
             logger.critical("measurement %s doesn't seem to exist", measurement_id)
+            sys.exit(1)
+
+        logger.info('measurement %s found', measurement_id)
 
         if measurement is not None:
             error_count = 0
             while measurement.is_running:
                 logger.info("Measurement is being processed (status: %s, %s, %s). Please wait.", measurement.upload, measurement.pre_processing, measurement.processing)
                 time.sleep(10)
-                measurement = self.get_measurement(measurement_id)
-
+                measurement, status = self.get_measurement(measurement_id)
 
-            logger.info("Measurement processing finished (status: %s, %s, %s)." % (measurement.upload,
-                                                                                   measurement.pre_processing,
-                                                                                   measurement.processing))
+            logger.info("Measurement processing finished (status: %s, %s, %s).",measurement.upload, measurement.pre_processing, measurement.processing)
             if measurement.pre_processing == 127:
                 logger.info("Downloading preprocessed files.")
                 self.download_preprocessed(measurement_id)
@@ -281,20 +288,20 @@
 
         # maybe the measurements isn't already available on the database.
         if response.status_code == 404:
-            return None
+            return None, 404
 
         if response.status_code != 200:
             logger.error('Could not access API. Status code %s.' % response.status_code)
-            sys.exit(1)
+            return None, response.status_code
 
         response_dict = response.json()
 
         if response_dict:
-            measurement = Measurement(self.base_url,response_dict)
-            return measurement
+            measurement = Measurement(self.base_url, response_dict)
+            return measurement, response.status_code
         else:
             logger.error("No measurement with id %s found on the SCC." % measurement_id)
-            return None
+            return None, response.status_code
 
     def delete_measurement(self, measurement_id):
         """ Deletes a measurement with the provided measurement id. The user
@@ -304,7 +311,7 @@
         NOT through the API.
         """
         # Get the measurement object
-        measurement = self.get_measurement(measurement_id)
+        measurement, status = self.get_measurement(measurement_id)
 
         # Check that it exists
         if measurement is None: