1 files changed, 4 insertions, 1 deletions
diff --git a/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java b/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java
index 3e1b7d9a..df2a42bb 100644
--- a/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java
+++ b/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java
@@ -847,6 +847,9 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 
             //BufferedImage outputImage = firstPage.convertToImage(BufferedImage.TYPE_4BYTE_ABGR, (int) targetRes);
 
+            visualDoc.close();
+            pdfRenderer = null;
+
             BufferedImage cutOut = new BufferedImage((int) (position.getWidth() * factor),
                     (int) (position.getHeight() * factor), BufferedImage.TYPE_4BYTE_ABGR);
 
@@ -1006,4 +1009,4 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
         return numbers;
     }
 	
-}
-\ No newline at end of file
+}