diff --git a/src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/FetchPDF.java b/src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/FetchPDF.java
index c3abed4..a87c0dc 100644
--- a/src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/FetchPDF.java
+++ b/src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/FetchPDF.java
@@ -42,7 +42,8 @@ public class FetchPDF {
 	}
 	
 	public synchronized int incrementAttempt() {
-		return attempt++;
+		attempt++;
+		return attempt;
 	}
 
 
diff --git a/src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/HTML_Page.java b/src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/HTML_Page.java
index e7cf1eb..48ffb88 100644
--- a/src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/HTML_Page.java
+++ b/src/main/java/org/gcube/datatransfer/resolver/geoportal/exporter/HTML_Page.java
@@ -48,7 +48,6 @@ public class HTML_Page {
 				+ "    <script type=\"text/javascript\">\n"
 				+ "      async function fetchPDF_URL() {\n"
 				+ "        try {\n"
-				+ "\n"
 				+ "          const response = await fetch('"+viewPdfURL+"');\n"
 				+ "          console.log(\"polling response\");\n"
 				+ "          return response.json();\n"
@@ -58,6 +57,7 @@ public class HTML_Page {
 				+ "      }\n"
 				+ "      async function playPDFPoll() {\n"
 				+ "        const response_object = await fetchPDF_URL();\n"
+				+ "        console.log(\"response is: \" + response_object);\n"
 				+ "        let isJsonResponse = isJsonString(response_object);\n"
 				+ "        if (isJsonResponse) {\n"
 				+ "          console.log(\"json response \" + response_object);\n"