fix for NPE and added comment in search result

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7412 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/js/yacyinteractive.js

@@ -85,7 +85,7 @@ function hideDownloadScript() {
 function resultNavigation() {
   var html = "";
   if (totalResults > 0) {
-      html += "<div>" + searchresult.length + " results from a total of " + totalResults + " docs in index; search time: " + ((new Date()).getTime() - start.getTime()) + " milliseconds.&nbsp;";
+      html += "<div>" + searchresult.length + " results from a total of " + totalResults + " docs in index (not showing offline resources); search time: " + ((new Date()).getTime() - start.getTime()) + " milliseconds.&nbsp;";
       html += "<div id=\"downloadbutton\" style=\"inline\"></div></div>";
   } else {
       if (query == "") {

source/de/anomic/search/RankingProcess.java

@@ -563,8 +563,9 @@ public final class RankingProcess extends Thread {
         final Iterator<String> domhashs = this.hostNavigator.keys(false);
         URIMetadataRow row;
         String domhash, urlhash, hostname;
-        while (domhashs.hasNext() && result.size() < 30) {
+        if (this.hostResolver != null) while (domhashs.hasNext() && result.size() < 30) {
             domhash = domhashs.next();
+            if (domhash == null) continue;
             urlhash = this.hostResolver.get(domhash);
             row = urlhash == null ? null : this.query.getSegment().urlMetadata().load(urlhash.getBytes(), null, 0);
             hostname = row == null ? null : row.metadata().url().getHost();