diff --git a/src/main/java/org/gcube/gcat/configuration/isproxies/FacetBasedISConfigurationProxy.java b/src/main/java/org/gcube/gcat/configuration/isproxies/FacetBasedISConfigurationProxy.java
index 0fc94f7..1758167 100644
--- a/src/main/java/org/gcube/gcat/configuration/isproxies/FacetBasedISConfigurationProxy.java
+++ b/src/main/java/org/gcube/gcat/configuration/isproxies/FacetBasedISConfigurationProxy.java
@@ -74,11 +74,46 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 	public static final String GET_ACCESS_POINT_FACET_OF_SOLR_SERVICE_FILENAME = "09-get-access-point-facet-of-solr-service.json";
 	
 	private static String queryTemplateName;
-	private static boolean queryTemplateFound;
 	
 	static {
-		queryTemplateFound = false;
-		queryTemplateName = null;
+		ResourceRegistryQueryTemplateClient rrqtc = ResourceRegistryQueryTemplateClientFactory.create();
+		try {
+			queryTemplateName = installQueryTemplate(rrqtc);
+		} catch (Exception e) {
+			throw new RuntimeException(e);
+		}
+	}
+	
+
+	protected static QueryTemplate getQueryTemplate() throws Exception {
+		File queryTemplateFile = getJsonQueryTemplateFromFile(GET_CALLS_FOR_QUERY_TEMPLATE_FILENAME);
+		QueryTemplate queryTemplate = ElementMapper.unmarshal(QueryTemplate.class, new FileReader(queryTemplateFile));
+		return queryTemplate;
+	}
+	
+	protected static String installQueryTemplate(ResourceRegistryQueryTemplateClient rrqtc) throws Exception {
+		QueryTemplate queryTemplate = getQueryTemplate();
+		/*
+		 * Going to create/update the query template. 
+		 * No need to test if exists and/or if is the last version.
+		 */
+		queryTemplate = rrqtc.update(queryTemplate);
+		
+		return queryTemplate.getName();
+	}
+	
+	protected static File getFile(String directoryName, String filename) throws Exception {
+		URL directoryURL = FacetBasedISConfigurationProxy.class.getClassLoader().getResource(directoryName);
+		File directory = new File(directoryURL.toURI());
+		return new File(directory, filename);
+	}
+	
+	protected static File getJsonQueryTemplateFromFile(String filename) throws Exception {
+		return getFile(QUERY_TEMPLATE_DIRECTORY_NAME, filename);
+	}
+	
+	protected static  File getJsonQueryFromFile(String filename) throws Exception {
+		return getFile(QUERY_DIRECTORY_NAME, filename);
 	}
 	
 //
@@ -160,32 +195,9 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 		this.gcatEServiceID = gcatEServiceID;
 	}
 	
-	protected String installQueryTemplate(ResourceRegistryQueryTemplateClient rrqtc) throws Exception {
-		QueryTemplate queryTemplate = getQueryTemplate();
-		/*
-		 * Going to create/update the query template. 
-		 * No need to test if exists and/or if is the last version.
-		 */
-		queryTemplate = rrqtc.update(queryTemplate);
-		
-		FacetBasedISConfigurationProxy.queryTemplateFound = true;
-		
-		return queryTemplate.getName();
-	}
-	
-	protected QueryTemplate getQueryTemplate() throws Exception {
-		File queryTemplateFile = getJsonQueryTemplateFromFile(GET_CALLS_FOR_QUERY_TEMPLATE_FILENAME);
-		QueryTemplate queryTemplate = ElementMapper.unmarshal(QueryTemplate.class, new FileReader(queryTemplateFile));
-		return queryTemplate;
-	}
-	
 	public List<CallsFor<EService, VirtualService>> getCallsForToVirtualService() throws Exception {
 		ResourceRegistryQueryTemplateClient rrqtc = ResourceRegistryQueryTemplateClientFactory.create();
 		
-		if(!queryTemplateFound) {
-			queryTemplateName = installQueryTemplate(rrqtc);
-		}
-		
 		ObjectNode objectNode = objectMapper.createObjectNode();
 		objectNode.put(GCAT_ESERVICE_UUID_VARNAME, gcatEServiceID);
 		
@@ -239,20 +251,6 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 		return callsFor;
 	}
 	
-	public File getFile(String directoryName, String filename) throws Exception {
-		URL directoryURL = FacetBasedISConfigurationProxy.class.getClassLoader().getResource(directoryName);
-		File directory = new File(directoryURL.toURI());
-		return new File(directory, filename);
-	}
-	
-	public File getJsonQueryTemplateFromFile(String filename) throws Exception {
-		return getFile(QUERY_TEMPLATE_DIRECTORY_NAME, filename);
-	}
-	
-	public File getJsonQueryFromFile(String filename) throws Exception {
-		return getFile(QUERY_DIRECTORY_NAME, filename);
-	}
-
 	protected List<Entity> queryListOfEntities(String query) throws Exception {
 		logger.trace("Going to request the following query:\n{}", query);
 		String result = resourceRegistryClient.jsonQuery(query);