diff --git a/shp-exporter/src/main/java/com/kamco/makesample/batch/tasklet/GeoServerRegistrationTasklet.java b/shp-exporter/src/main/java/com/kamco/makesample/batch/tasklet/GeoServerRegistrationTasklet.java
index 44b50aa..6a694b2 100644
--- a/shp-exporter/src/main/java/com/kamco/makesample/batch/tasklet/GeoServerRegistrationTasklet.java
+++ b/shp-exporter/src/main/java/com/kamco/makesample/batch/tasklet/GeoServerRegistrationTasklet.java
@@ -17,8 +17,7 @@ import org.springframework.stereotype.Component;
  *
  * <p>기존 GeoServerRegistrationService를 재사용하여 shapefile을 GeoServer에 등록
  *
- * <p>자동 선택 로직: - 파일 크기 < 100MB: REST API 업로드 (uploadShapefileZip) - 파일 크기 >= 100MB: 파일 경로 참조
- * (registerShapefileByPath)
+ * <p>등록 방식: external.shp 엔드포인트를 사용한 file:// 경로 참조 (모든 파일 크기)
  *
  * <p>Conditional execution: geoserver.enabled=false 이면 skip
  */
@@ -28,8 +27,6 @@ public class GeoServerRegistrationTasklet implements Tasklet {
 
   private static final Logger log = LoggerFactory.getLogger(GeoServerRegistrationTasklet.class);
 
-  private static final long FILE_SIZE_THRESHOLD = 100 * 1024 * 1024; // 100MB
-
   private final GeoServerRegistrationService geoServerService;
 
   @Value("#{jobParameters['geoserver.enabled'] ?: false}")
@@ -68,28 +65,15 @@ public class GeoServerRegistrationTasklet implements Tasklet {
       throw new IllegalStateException("ZIP file path not available for GeoServer registration");
     }
 
-    // Check file size to determine registration method
+    // Log file size for monitoring
     File zipFile = new File(zipPath);
     long fileSize = zipFile.length();
     long fileSizeMB = fileSize / 1024 / 1024;
-
     log.info("ZIP file size: {} bytes ({} MB)", fileSize, fileSizeMB);
-    //
-    //    if (fileSize < FILE_SIZE_THRESHOLD) {
-    //      // Small file: Use REST API upload
-    //      log.info("Using REST API upload method (file size < 100MB)");
-    //      geoServerService.uploadShapefileZip(zipPath, layerName);
-    //    } else {
-    //      // Large file: Use file path reference
-    //      log.info(
-    //          "Using file path reference method (file size >= 100MB, {} MB recommended for large"
-    //              + " files)",
-    //          fileSizeMB);
-    //      log.info(
-    //          "GeoServer will read the file from: {} (ensure GeoServer has file system access)",
-    //          zipPath);
-    //      geoServerService.registerShapefileByPath(zipPath, layerName);
-    //    }
+
+    // Register using file:// path reference (external.shp endpoint) for all file sizes
+    log.info("Using file path reference method (external.shp endpoint)");
+    log.info("Note: GeoServer must have read access to the file path: {}", zipPath);
     geoServerService.registerShapefileByPath(zipPath, layerName);
 
     log.info("GeoServer registration completed successfully for layer: {}", layerName);
diff --git a/shp-exporter/src/main/java/com/kamco/makesample/service/GeoServerRegistrationService.java b/shp-exporter/src/main/java/com/kamco/makesample/service/GeoServerRegistrationService.java
index 8a8fbe2..62bebd0 100644
--- a/shp-exporter/src/main/java/com/kamco/makesample/service/GeoServerRegistrationService.java
+++ b/shp-exporter/src/main/java/com/kamco/makesample/service/GeoServerRegistrationService.java
@@ -225,10 +225,11 @@ public class GeoServerRegistrationService {
       String fileUrl = "file://" + shpFilePath;
       log.info("Using file URL: {}", fileUrl);
 
-      // GeoServer REST API endpoint
+      // GeoServer REST API endpoint for external file reference
+      // Use external.shp (not file.shp) for file:// URLs
       String url =
           String.format(
-              "%s/rest/workspaces/%s/datastores/%s/file.shp?configure=all",
+              "%s/rest/workspaces/%s/datastores/%s/external.shp?configure=all",
               properties.getBaseUrl(), properties.getWorkspace(), layerName);
 
       HttpHeaders headers = createHeaders();