fixed colorspace array exception (#1925)

* fixed colorspace array exception

* used lsf4j logger instead of prntln

* removed unnecessary comment

src/main/java/stirling/software/SPDF/controller/api/misc/ExtractImagesController.java

@@ -90,11 +90,15 @@ public class ExtractImagesController {
             // Iterate over each page
             for (int pgNum = 0; pgNum < document.getPages().getCount(); pgNum++) {
                 PDPage page = document.getPage(pgNum);
-                int pageNum = document.getPages().indexOf(page) + 1;
-                // Submit a task for processing each page
                 Future<Void> future =
                         executor.submit(
                                 () -> {
+                                    // Use the page number directly from the iterator, so no need to
+                                    // calculate manually
+                                    int pageNum = document.getPages().indexOf(page) + 1;
+
+                                    try {
+                                        // Call the image extraction method for each page
                                         extractImagesFromPage(
                                                 page,
                                                 format,
@@ -103,9 +107,18 @@ public class ExtractImagesController {
                                                 processedImages,
                                                 zos,
                                                 allowDuplicates);
-                                    return null;
+                                    } catch (IOException e) {
+                                        // Log the error and continue processing other pages
+                                        logger.error(
+                                                "Error extracting images from page {}: {}",
+                                                pageNum,
+                                                e.getMessage());
+                                    }
+
+                                    return null; // Callable requires a return type
                                 });
 
+                // Add the Future object to the list to track completion
                 futures.add(future);
             }