fixed a problem with Date fields parsing Solr results if a remote Solr

is attached.

source/net/yacy/cora/federate/solr/connector/AbstractSolrConnector.java

@@ -81,13 +81,6 @@ public abstract class AbstractSolrConnector implements SolrConnector {
         }
     }
     
-    @Override
-    public String getFieldById(final String key, final String field) throws IOException {
-        SolrDocument doc = getDocumentById(key, field);
-        if (doc == null) return null;
-        return doc.getFieldValue(field).toString();
-    }
-    
     /**
      * Get a query result from solr as a stream of documents.
      * The result queue is considered as terminated if AbstractSolrConnector.POISON_DOCUMENT is returned.

source/net/yacy/cora/federate/solr/connector/ConcurrentUpdateSolrConnector.java

@@ -409,16 +409,6 @@ public class ConcurrentUpdateSolrConnector implements SolrConnector {
         }
     }
 
-    @Override
-    public String getFieldById(String id, String field) throws IOException {
-        if (existIdFromDeleteQueue(id)) return null;
-        SolrInputDocument doc = getFromUpdateQueue(id);
-        if (doc != null) {cacheSuccessSign(); return doc.getFieldValue(field).toString();}
-        String val = this.connector.getFieldById(id, field);
-        if (val != null) updateIdCache(id);
-        return val;
-    }
-
     @Override
     public SolrDocument getDocumentById(String id, String... fields) throws IOException {
         if (existIdFromDeleteQueue(id)) return null;

source/net/yacy/cora/federate/solr/connector/EmbeddedSolrConnector.java

@@ -280,27 +280,6 @@ public class EmbeddedSolrConnector extends SolrServerConnector implements SolrCo
         return idsr;
     }
     
-    @Override
-    public String getFieldById(final String id, final String field) throws IOException {
-    	String ret = null;
-    	DocListSearcher docListSearcher = null;
-    	try {
-            docListSearcher = new DocListSearcher("{!raw f=" + CollectionSchema.id.getSolrFieldName() + "}" + id, 0, 1, CollectionSchema.id.getSolrFieldName());
-	        int numFound = docListSearcher.response.matches();
-	        if (numFound > 0) {
-		        Set<String> solrFields = new HashSet<String>();
-		        solrFields.add(field);
-	            Document doc = docListSearcher.request.getSearcher().doc(docListSearcher.response.iterator().nextDoc(), solrFields);
-	            ret = doc.get(field);
-	        }
-        } catch (IOException e) {
-            e.printStackTrace();
-        } finally {
-            if (docListSearcher != null) docListSearcher.close();
-        }
-        return ret;
-    }
-    
     @Override
     public BlockingQueue<String> concurrentIDsByQuery(final String querystring, final int offset, final int maxcount, final long maxtime) {
         final BlockingQueue<String> queue = new LinkedBlockingQueue<String>();

source/net/yacy/cora/federate/solr/connector/MirrorSolrConnector.java

@@ -364,15 +364,6 @@ public class MirrorSolrConnector extends AbstractSolrConnector implements SolrCo
         return s;
     }
 
-    @Override
-    public String getFieldById(String key, String field) throws IOException {
-        if (this.solr0 != null && this.solr1 == null) return this.solr0.getFieldById(key, field);
-        if (this.solr0 == null && this.solr1 != null) return this.solr1.getFieldById(key, field);
-        String value = this.solr0.getFieldById(key, field);
-        if (value != null) return value;
-        return this.solr1.getFieldById(key, field);
-    }
-
     /*
     @Override
     public BlockingQueue<SolrDocument> concurrentDocumentsByQuery(String querystring, int offset, int maxcount, long maxtime, int buffersize, String... fields) {

source/net/yacy/cora/federate/solr/connector/SolrConnector.java

@@ -137,15 +137,6 @@ public interface SolrConnector extends Iterable<String> /* Iterable of document
      */
     public void add(final Collection<SolrInputDocument> solrdoc) throws IOException, SolrException;
     
-    /**
-     * get a field value from solr by given key for the id-field and a field name
-     * @param key
-     * @param field one field
-     * @return one result or null if no result exists
-     * @throws IOException
-     */
-    public String getFieldById(final String key, final String field) throws IOException;
-    
     /**
      * get a document from solr by given key for the id-field
      * @param key

source/net/yacy/search/index/Fulltext.java

@@ -308,31 +308,30 @@ public final class Fulltext {
 
     public Date getLoadDate(final String urlHash) {
         if (urlHash == null) return null;
-        Date x;
         try {
-            String d = this.getDefaultConnector().getFieldById(urlHash, CollectionSchema.load_date_dt.getSolrFieldName());
+            SolrDocument doc = this.getDefaultConnector().getDocumentById(urlHash, CollectionSchema.load_date_dt.getSolrFieldName());
+            Object d = doc == null ? null : doc.getFieldValue(CollectionSchema.load_date_dt.getSolrFieldName());
             if (d == null) return null;
-            x = new Date(Long.parseLong(d));
+            assert d instanceof Date : "d = " + d.toString();
+            if (d instanceof Date) return (Date) d;
+            if (d instanceof Long) return new Date(((Long) d).longValue());
+            return null;
         } catch (final IOException e) {
             return null;
         }
-        return x;
     }
 
     public DigestURL getURL(final byte[] urlHash) {
         if (urlHash == null || this.getDefaultConnector() == null) return null;
         
-        String x;
         try {
-            x = this.getDefaultConnector().getFieldById(ASCII.String(urlHash), CollectionSchema.sku.getSolrFieldName());
-        } catch (final IOException e) {
+            SolrDocument doc = this.getDefaultConnector().getDocumentById(ASCII.String(urlHash), CollectionSchema.sku.getSolrFieldName());
+            Object u = doc == null ? null : doc.getFieldValue(CollectionSchema.sku.getSolrFieldName());
+            if (u == null) return null;
+            assert u instanceof String : "u = " + u.toString();
+            if (u instanceof String) return new DigestURL((String) u, urlHash);
             return null;
-        }
-        if (x == null) return null;
-        try {
-            DigestURL uri = new DigestURL(x, urlHash);
-            return uri;
-        } catch (final MalformedURLException e) {
+        } catch (final IOException e) {
             return null;
         }
     }
@@ -645,9 +644,10 @@ public final class Fulltext {
 
     public String failReason(final String urlHash) throws IOException {
         if (urlHash == null) return null;
-        String reason = this.getDefaultConnector().getFieldById(urlHash, CollectionSchema.failreason_s.getSolrFieldName());
+        SolrDocument doc = this.getDefaultConnector().getDocumentById(urlHash, CollectionSchema.failreason_s.getSolrFieldName());
+        Object reason = doc == null ? null : doc.getFieldValue(CollectionSchema.failreason_s.getSolrFieldName());
         if (reason == null) return null;
-        return reason.length() == 0 ? null : reason;
+        return reason instanceof String && ((String) reason).length() == 0 ? null : (String) reason;
     }
     
     public List<File> dumpFiles() {