fixing faulty logic for checking job success

coordinator/ProcessorServer.py

@@ -61,7 +61,7 @@ def process_pre_job_server_download(input_args: dict):
 
             status = subprocess_and_log(cmd_check_file, description_short, description_long, check = False,
                                         shell = run_in_shell)
-            data_is_ready = status.returncode > 0
+            data_is_ready = status.returncode == 0
 
         if not data_is_ready:
 
@@ -97,7 +97,7 @@ def process_pre_job_server_download(input_args: dict):
                 logger.info(message)
                 endScript(premature=True)
 
-        elif not data_is_ready:
+        elif data_is_ready:
             logger.info(f"Data is available for config {i+1} of {len(config_paths)}, calculation shall proceed")
 
     return True