.

o2server/x_processplatform_assemble_surface/pom.xml

@@ -92,6 +92,7 @@
 			<version>1.68</version>
 			<optional>true</optional>
 		</dependency>
+
 	</dependencies>
 	<build>
 		<plugins>

o2server/x_processplatform_assemble_surface/src/main/java/com/x/processplatform/assemble/surface/jaxrs/attachment/ActionDocToPDFWorkOrWorkCompleted.java

@@ -275,7 +275,6 @@ class ActionDocToPDFWorkOrWorkCompleted extends BaseAction {
             KeyStore keystore = KeyStore.getInstance("PKCS12");
             keystore.load(getClass().getResourceAsStream("/myKeystore.p12"), password.toCharArray());
 
-
             CreateVisibleSignature2 signing = new CreateVisibleSignature2(keystore, password.toCharArray());
 
             File imgFile = TempFile.createTempFile("sig", ".png");
@@ -294,7 +293,10 @@ class ActionDocToPDFWorkOrWorkCompleted extends BaseAction {
             signing.signPDF(pdfFile, signedPdfFile, humanRect, null, "Signature1");
 
             return FileUtils.readFileToByteArray(signedPdfFile);
+        } catch (Exception e) {
+            e.printStackTrace();
         }
+        return null;
     }
 
     public static void main(String[] args) throws Exception {