keep initial dataverse on invalid input

Author: jo-pol

src/main/java/edu/harvard/iq/dataverse/DataverseConverter.java

@@ -13,12 +13,15 @@
 import jakarta.faces.convert.Converter;
 import jakarta.faces.convert.FacesConverter;
 
+import java.util.logging.Logger;
+
 /**
  *
  * @author skraffmiller
  */
 @FacesConverter("dataverseConverter")
 public class DataverseConverter implements Converter {
+    private static final Logger logger = Logger.getLogger(DatasetPage.class.getCanonicalName());
 
 
     //@EJB
@@ -27,7 +30,8 @@ public class DataverseConverter implements Converter {
     @Override
     public Object getAsObject(FacesContext facesContext, UIComponent component, String submittedValue) {
         if (submittedValue == null || !submittedValue.matches("[0-9]+")) {
-            return dataverseService.findRootDataverse();
+            logger.fine("Submitted value is not a host dataverse number but: " + submittedValue);
+            return CDI.current().select(DatasetPage.class).get().getSelectedHostDataverse();
         }
         else {
             return dataverseService.find(Long.valueOf(submittedValue));