diff --git a/ocr-service-v1/ocr-service-processor/src/main/java/com/knecon/fforesight/service/ocr/processor/initializer/NativeLibrariesInitializer.java b/ocr-service-v1/ocr-service-processor/src/main/java/com/knecon/fforesight/service/ocr/processor/initializer/NativeLibrariesInitializer.java
index 8158ebc..387a7a1 100644
--- a/ocr-service-v1/ocr-service-processor/src/main/java/com/knecon/fforesight/service/ocr/processor/initializer/NativeLibrariesInitializer.java
+++ b/ocr-service-v1/ocr-service-processor/src/main/java/com/knecon/fforesight/service/ocr/processor/initializer/NativeLibrariesInitializer.java
@@ -34,12 +34,16 @@ public class NativeLibrariesInitializer {
         System.setProperty("jna.library.path", System.getenv("VCPKG_DYNAMIC_LIB"));
 
         log.info("Asserting Native Libraries loaded");
-        NativeLibrary leptonicaLib = NativeLibrary.getInstance("leptonica");
-        assert leptonicaLib != null;
-        log.info("Leptonica library loaded from {}", leptonicaLib.getFile().getAbsolutePath());
-        NativeLibrary tesseractLib = NativeLibrary.getInstance("tesseract");
-        assert tesseractLib != null;
-        log.info("Tesseract library loaded from {}", tesseractLib.getFile().getAbsolutePath());
+
+        try (NativeLibrary leptonicaLib = NativeLibrary.getInstance("leptonica")) {
+            assert leptonicaLib != null;
+            log.info("Leptonica library loaded from {}", leptonicaLib.getFile().getAbsolutePath());
+        }
+
+        try (NativeLibrary tesseractLib = NativeLibrary.getInstance("tesseract")) {
+            assert tesseractLib != null;
+            log.info("Tesseract library loaded from {}", tesseractLib.getFile().getAbsolutePath());
+        }
     }
 
 }
diff --git a/ocr-service-v1/ocr-service-processor/src/main/java/com/knecon/fforesight/service/ocr/processor/service/OcrResultWriter.java b/ocr-service-v1/ocr-service-processor/src/main/java/com/knecon/fforesight/service/ocr/processor/service/OcrResultWriter.java
index e730ede..1895775 100644
--- a/ocr-service-v1/ocr-service-processor/src/main/java/com/knecon/fforesight/service/ocr/processor/service/OcrResultWriter.java
+++ b/ocr-service-v1/ocr-service-processor/src/main/java/com/knecon/fforesight/service/ocr/processor/service/OcrResultWriter.java
@@ -85,15 +85,16 @@ public class OcrResultWriter {
     }
 
 
+    @SuppressWarnings("PMD")
     private List<Rectangle2D> getTextBBoxes(Page page) {
 
         List<Rectangle2D> textBBoxes = new ArrayList<>();
         try (var textExtractor = new TextExtractor()) {
             textExtractor.begin(page);
-
             try {
-                for (TextExtractor.Line line = textExtractor.getFirstLine(); line.isValid(); line = line.getNextLine()) {
-                    for (var word = line.getFirstWord(); word.isValid(); word = word.getNextWord()) {
+
+                for (TextExtractor.Line line = textExtractor.getFirstLine(); line.isValid(); line = getNextLine(line)) {
+                    for (TextExtractor.Word word = line.getFirstWord(); word.isValid(); word = getNextWord(word)) {
                         textBBoxes.add(Converter.toRectangle2D(word.getBBox()));
                     }
                 }
@@ -105,9 +106,19 @@ public class OcrResultWriter {
     }
 
 
-    private static Function<Integer, Integer> pageNumber1IdxTo0IdxMapper() {
-        // PDFBox uses a 0-based index for page numbers internally, while we use a 1-based index
-        return p -> p - 1;
+    private static TextExtractor.Word getNextWord(TextExtractor.Word word) {
+
+        TextExtractor.Word nextWord = word.getNextWord();
+        word.close();
+        return nextWord;
+    }
+
+
+    private static TextExtractor.Line getNextLine(TextExtractor.Line line) {
+
+        TextExtractor.Line newLine = line.getNextLine();
+        line.close();
+        return newLine;
     }
 
 
@@ -133,7 +144,6 @@ public class OcrResultWriter {
     }
 
 
-
     private VisualizationsOnPage createDebugTextVisualizations(List<OcrResultToWrite> ocrResultsToWrite, List<Rectangle2D> textBBoxes) {
 
         List<TextPositionInImage> wordsToDraw = new ArrayList<>();
@@ -175,7 +185,6 @@ public class OcrResultWriter {
     }
 
 
-
     private VisualizationsOnPage createDebugBBoxVisualizations(List<OcrResultToWrite> ocrResultsToWrite) {
 
         List<TextPositionInImage> words = ocrResultsToWrite.stream()
@@ -199,9 +208,9 @@ public class OcrResultWriter {
     private List<ColoredLine> quadPointAsLines(QuadPoint rect) {
 
         return List.of(new ColoredLine(new Line2D.Double(rect.a(), rect.b()), Color.ORANGE, 1),
-                new ColoredLine(new Line2D.Double(rect.b(), rect.c()), Color.BLUE, 1),
-                new ColoredLine(new Line2D.Double(rect.c(), rect.d()), Color.GREEN, 1),
-                new ColoredLine(new Line2D.Double(rect.d(), rect.a()), Color.MAGENTA, 1));
+                       new ColoredLine(new Line2D.Double(rect.b(), rect.c()), Color.BLUE, 1),
+                       new ColoredLine(new Line2D.Double(rect.c(), rect.d()), Color.GREEN, 1),
+                       new ColoredLine(new Line2D.Double(rect.d(), rect.a()), Color.MAGENTA, 1));
     }