gsa results shall have only one title in metadata and that should be the

visible title in the <title>-tag

source/net/yacy/cora/federate/solr/responsewriter/GSAResponseWriter.java

@@ -219,6 +219,7 @@ public class GSAResponseWriter implements QueryResponseWriter {
             List<String> texts = new ArrayList<String>();
             String description = "";
             int size = 0;
+            boolean title_written = false; // the solr index may contain several; we take only the first which should be the visible tag in <title></title>
             for (int j = 0; j < fieldc; j++) {
                 Fieldable value = fields.get(j);
                 String fieldName = value.name();
@@ -240,9 +241,10 @@ public class GSAResponseWriter implements QueryResponseWriter {
                     OpensearchResponseWriter.solitaireTag(writer, GSAToken.UE.name(), value.stringValue());
                     continue;
                 }
-                if (YaCySchema.title.getSolrFieldName().equals(fieldName)) {
+                if (YaCySchema.title.getSolrFieldName().equals(fieldName) && !title_written) {
                     OpensearchResponseWriter.solitaireTag(writer, GSAToken.T.name(), highlight(value.stringValue(), query));
                     texts.add(value.stringValue());
+                    title_written = true;
                     continue;
                 }
                 if (YaCySchema.description.getSolrFieldName().equals(fieldName)) {

source/net/yacy/document/parser/html/ContentScraper.java

@@ -32,7 +32,6 @@ import java.io.Writer;
 import java.net.MalformedURLException;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
@@ -128,7 +127,7 @@ public class ContentScraper extends AbstractScraper implements Scraper {
     private final Map<MultiProtocolURI, EmbedEntry> embeds; // urlhash/embed relation
     private final Map<MultiProtocolURI, ImageEntry> images; // urlhash/image relation
     private final Map<String, String> metas;
-    private Collection<String> titles;
+    private LinkedHashSet<String> titles;
     //private String headline;
     private List<String>[] headlines;
     private final ClusteredScoreMap<String> bold, italic, underline;
@@ -568,10 +567,7 @@ public class ContentScraper extends AbstractScraper implements Scraper {
         // some documents have a title tag as meta tag
         String s = this.metas.get("title");
         if (s != null && s.length() > 0) {
-            LinkedHashSet<String> t = new LinkedHashSet<String>();
+            this.titles.add(s);
-            t.add(s);
-            t.addAll(this.titles);
-            this.titles = t;
         }
 
         if (this.titles.size() == 0) {