diff --git a/source/net/yacy/cora/federate/solr/connector/RemoteSolrConnector.java b/source/net/yacy/cora/federate/solr/connector/RemoteSolrConnector.java
index 0ab5f8b31..e01e83e49 100644
--- a/source/net/yacy/cora/federate/solr/connector/RemoteSolrConnector.java
+++ b/source/net/yacy/cora/federate/solr/connector/RemoteSolrConnector.java
@@ -30,6 +30,7 @@ import net.yacy.cora.federate.solr.instance.ShardInstance;
 
 import org.apache.solr.client.solrj.ResponseParser;
 import org.apache.solr.client.solrj.SolrServer;
+import org.apache.solr.client.solrj.impl.BinaryResponseParser;
 import org.apache.solr.client.solrj.impl.XMLResponseParser;
 import org.apache.solr.client.solrj.request.QueryRequest;
 import org.apache.solr.client.solrj.response.QueryResponse;
@@ -38,25 +39,28 @@ import org.apache.solr.common.util.NamedList;
 
 public class RemoteSolrConnector extends SolrServerConnector implements SolrConnector {
 
-    SolrInstance instance;
-    String corename;
+    private final SolrInstance instance;
+    private final String corename;
+    private final boolean useBinaryResponseWriter;
     
     /**
      * create a new solr connector
      * @param instance the instance of the remote solr url, like http://192.168.1.60:8983/solr/ or http://admin:pw@192.168.1.60:8983/solr/
      * @throws IOException
      */
-    public RemoteSolrConnector(final SolrInstance instance) throws IOException {
+    public RemoteSolrConnector(final SolrInstance instance, final boolean useBinaryResponseWriter) throws IOException {
         super();
         this.instance = instance;
+        this.useBinaryResponseWriter = useBinaryResponseWriter;
         this.corename = this.instance.getDefaultCoreName();
         SolrServer s = instance.getServer(this.corename);
         super.init(s);
     }
     
-    public RemoteSolrConnector(final SolrInstance instance, String corename) {
+    public RemoteSolrConnector(final SolrInstance instance, final boolean useBinaryResponseWriter, String corename) {
         super();
         this.instance = instance;
+        this.useBinaryResponseWriter = useBinaryResponseWriter;
         this.corename = corename == null ? this.instance.getDefaultCoreName() : corename;
         SolrServer s = instance.getServer(this.corename);
         super.init(s);
@@ -84,14 +88,14 @@ public class RemoteSolrConnector extends SolrServerConnector implements SolrConn
         if (q != null) Thread.currentThread().setName("solr query: q = " + q);
         
         QueryRequest request = new QueryRequest(params);
-        ResponseParser responseParser = new XMLResponseParser();
+        ResponseParser responseParser = useBinaryResponseWriter ? new BinaryResponseParser() : new XMLResponseParser();
         request.setResponseParser(responseParser);
         long t = System.currentTimeMillis();
         NamedList<Object> result = null;
         try {
             result = this.server.request(request);
         } catch (final Throwable e) {
-            //Log.logException(e);
+            //ConcurrentLog.logException(e);
             throw new IOException(e.getMessage());
             /*
             Log.logException(e);
@@ -117,7 +121,7 @@ public class RemoteSolrConnector extends SolrServerConnector implements SolrConn
             RemoteInstance instance = new RemoteInstance("http://127.0.0.1:8983/solr/", null, "collection1", 10000);
             ArrayList<RemoteInstance> instances = new ArrayList<RemoteInstance>();
             instances.add(instance);
-            solr = new RemoteSolrConnector(new ShardInstance(instances, ShardSelection.Method.MODULO_HOST_MD5), "solr");
+            solr = new RemoteSolrConnector(new ShardInstance(instances, ShardSelection.Method.MODULO_HOST_MD5), true, "solr");
             solr.clear();
             final File exampleDir = new File("test/parsertest/");
             long t, t0, a = 0;
diff --git a/source/net/yacy/cora/federate/solr/instance/InstanceMirror.java b/source/net/yacy/cora/federate/solr/instance/InstanceMirror.java
index 1d49fd537..42771a03d 100644
--- a/source/net/yacy/cora/federate/solr/instance/InstanceMirror.java
+++ b/source/net/yacy/cora/federate/solr/instance/InstanceMirror.java
@@ -144,7 +144,7 @@ public class InstanceMirror {
         String defaultCoreName = this.getDefaultCoreName();
         if (defaultCoreName == null) return null;
         EmbeddedSolrConnector esc = this.solr0 == null ? null : new EmbeddedSolrConnector(this.solr0, defaultCoreName);
-        RemoteSolrConnector rsc = this.solr1 == null ? null : new RemoteSolrConnector(this.solr1, defaultCoreName);
+        RemoteSolrConnector rsc = this.solr1 == null ? null : new RemoteSolrConnector(this.solr1, true, defaultCoreName);
         this.defaultConnector = new ConcurrentUpdateSolrConnector(new MirrorSolrConnector(esc, rsc), 100, 1000000);
         this.connectorCache.put(defaultCoreName, this.defaultConnector);
         return this.defaultConnector;
@@ -154,7 +154,7 @@ public class InstanceMirror {
         SolrConnector msc = this.connectorCache.get(corename);
         if (msc != null) return msc;
         EmbeddedSolrConnector esc = this.solr0 == null ? null : new EmbeddedSolrConnector(this.solr0, corename);
-        RemoteSolrConnector rsc = this.solr1 == null ? null : new RemoteSolrConnector(this.solr1, corename);
+        RemoteSolrConnector rsc = this.solr1 == null ? null : new RemoteSolrConnector(this.solr1, true, corename);
         msc = new ConcurrentUpdateSolrConnector(new MirrorSolrConnector(esc, rsc), 100, 1000000);
         this.connectorCache.put(corename, msc);
         return msc;
diff --git a/source/net/yacy/peers/Protocol.java b/source/net/yacy/peers/Protocol.java
index b084cf8fa..698880f01 100644
--- a/source/net/yacy/peers/Protocol.java
+++ b/source/net/yacy/peers/Protocol.java
@@ -1054,10 +1054,11 @@ public final class Protocol {
                 }
             } else {
                 try {
-                    String address = target == event.peers.mySeed() ? "localhost:" + target.getPort() : target.getPublicAddress();
+                    boolean myseed = target == event.peers.mySeed();
+                    String address = myseed ? "localhost:" + target.getPort() : target.getPublicAddress();
                     final int solrtimeout = Switchboard.getSwitchboard().getConfigInt(SwitchboardConstants.FEDERATED_SERVICE_SOLR_INDEXING_TIMEOUT, 6000);
                     instance = new RemoteInstance("http://" + address, null, "solr", solrtimeout); // this is a 'patch configuration' which considers 'solr' as default collection
-                    solrConnector = new RemoteSolrConnector(instance, "solr");
+                    solrConnector = new RemoteSolrConnector(instance, myseed ? true : target.getVersion() >= 1.63, "solr");
                     rsp = solrConnector.getResponseByParams(solrQuery);
                     docList = rsp.getResults();
                     solrConnector.close();
diff --git a/source/net/yacy/search/index/Fulltext.java b/source/net/yacy/search/index/Fulltext.java
index cc127ecbe..f9cd31178 100644
--- a/source/net/yacy/search/index/Fulltext.java
+++ b/source/net/yacy/search/index/Fulltext.java
@@ -206,7 +206,7 @@ public final class Fulltext {
     public RemoteSolrConnector getDefaultRemoteSolrConnector() {
         if (this.solrInstances.getSolr1() == null) return null;
         try {
-            return new RemoteSolrConnector(this.solrInstances.getSolr1());
+            return new RemoteSolrConnector(this.solrInstances.getSolr1(), true);
         } catch (final IOException e) {
             return null;
         }
@@ -258,7 +258,7 @@ public final class Fulltext {
         synchronized (this.solrInstances) {
             ShardInstance instance = this.solrInstances.getSolr1();
             if (instance != null) {
-                for (String name: instance.getCoreNames()) new RemoteSolrConnector(instance, name).clear();
+                for (String name: instance.getCoreNames()) new RemoteSolrConnector(instance, true, name).clear();
             }
             this.solrInstances.clearCaches();
         }