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 074065b..1bb86d9 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
@@ -2,7 +2,6 @@ package org.gcube.datatransfer.resolver.geoportal.exporter;
 
 public class HTML_Page {
 	
-	
 	/**
 	 * Sets the HTML message.
 	 *
@@ -49,21 +48,44 @@ public class HTML_Page {
 				+ "    </style>\n"
 				+ "    <script type=\"text/javascript\">\n"
 				+ "      async function fetchPDF_URL() {\n"
-				+ "          const response = await fetch('"+viewPdfURL+"');\n"
-				+ "            console.log(\"polling response\");\n"
-				+ "            return response.json();\n"
-				+ "          }\n"
-				+ "          async function playPDFPoll() {\n"
-				+ "            const pdf_json = await fetchPDF_URL();\n"
-				+ "			   console.log(\"response \"+pdf_json);\n"
-				+ "            if (!(pdf_json.url === null || pdf_json.url === undefined)) {\n"
-				+ "              window.location.replace(pdf_json.url);\n"
-				+ "            } else {\n"
-				+ "              setTimeout(() => {\n"
-				+ "                playPDFPoll();\n"
-				+ "              }, 1000);\n"
-				+ "            }\n"
+				+ "        try {\n"
+				+ "\n"
+				+ "          const response = await fetch('https://data.dev.d4science.org/geoportal/view/profiledConcessioni_661d2c6f8804530afb90b132_1713774501389');\n"
+				+ "          console.log(\"polling response\");\n"
+				+ "          return response.json();\n"
+				+ "        } catch (error) {\n"
+				+ "          cconsole.error(\"polling errro: \" + error);\n"
+				+ "        }\n"
+				+ "      }\n"
+				+ "      async function playPDFPoll() {\n"
+				+ "        const response_object = await fetchPDF_URL();\n"
+				+ "        isJsonresponse = isJsonString(response_object);\n"
+				+ "        if (isJsonResponse) {\n"
+				+ "          console.log(\"json response \" + response_object);\n"
+				+ "          if (!(response_object.url === null || response_object.url === undefined)) {\n"
+				+ "            window.location.replace(response_object.url);\n"
+				+ "          } else {\n"
+				+ "            setTimeout(() => {\n"
+				+ "              playPDFPoll();\n"
+				+ "            }, 1000);\n"
 				+ "          }\n"
+				+ "        } else {\n"
+				+ "          console.log(\"no json response \" + response_object);\n"
+				+ "          let inner_div = document.getElementById(\"inner-content\");\n"
+				+ "          inner_div.innerHTML = response_object;\n"
+				+ "        }\n"
+				+ "\n"
+				+ "      }\n"
+				+ "\n"
+				+ "      function isJsonString(str) {\n"
+				+ "        try {\n"
+				+ "          JSON.parse(str);\n"
+				+ "        } catch (e) {\n"
+				+ "          return false;\n"
+				+ "        }\n"
+				+ "        return true;\n"
+				+ "      }\n"
+				+ "\n"
 				+ "    </script>\n"
 				+ "    <title>D4Science Geoportal - Action</title>\n"
 				+ "  </head>\n"
@@ -74,6 +96,7 @@ public class HTML_Page {
 
 		newHTML += "<div id=\"content\">";
 		newHTML += "<p id=\"title-geo\">Geoportal</p><br />";
+		newHTML += "<div id=\"inner-content\">";
 		newHTML += "<p style=\"font-size: 18px;\">" + action + "</p>";
 
 		if (waiting) {
@@ -81,7 +104,7 @@ public class HTML_Page {
 		}
 		
 		newHTML += "<br/><p id=\"message\">" + message + "</p>";
-		newHTML += "</div></body></html>";
+		newHTML += "</div></div></body></html>";
 
 		return newHTML;
 	}