src/main/java/org/embulk/input/gcs/GcsFileInputPlugin.java in embulk-input-gcs-0.2.1 vs src/main/java/org/embulk/input/gcs/GcsFileInputPlugin.java in embulk-input-gcs-0.2.2

@@ -140,11 +140,13 @@
 
         // list files recursively if path_prefix is specified
         if (task.getPathPrefix().isPresent()) {
             task.setFiles(listFiles(task, client));
         }
-        if (task.getFiles().isEmpty()) {
-            throw new ConfigException("No file is found. Fix path_prefix or specify paths directly");
+        else {
+            if (task.getFiles().isEmpty()) {
+                throw new ConfigException("No file is found. Confirm paths option isn't empty");
+            }
         }
         // number of processors is same with number of files
         return resume(task.dump(), task.getFiles().size(), control);
     }