diff --git a/.classpath b/.classpath
index 1b3d1c1f1..5fbd5c72f 100644
--- a/.classpath
+++ b/.classpath
@@ -33,7 +33,6 @@
 	<classpathentry kind="lib" path="lib/commons-lang-2.6.jar"/>
 	<classpathentry kind="lib" path="lib/jaudiotagger-2.0.4-20111207.115108-15.jar"/>
 	<classpathentry kind="lib" path="lib/commons-codec-1.7.jar"/>
-	<classpathentry kind="lib" path="lib/spatial4j-0.3.jar"/>
 	<classpathentry kind="lib" path="lib/jcl-over-slf4j-1.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-api-1.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/zookeeper-3.4.5.jar"/>
@@ -46,27 +45,28 @@
 	<classpathentry kind="lib" path="lib/noggit-0.5.jar"/>
 	<classpathentry kind="lib" path="lib/metadata-extractor-2.6.2.jar"/>
 	<classpathentry kind="lib" path="lib/jcifs-1.3.17.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-analyzers-common-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-analyzers-phonetic-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-classification-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-codecs-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-core-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-facet-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-grouping-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-highlighter-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-join-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-memory-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-misc-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-queries-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-queryparser-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-spatial-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/lucene-suggest-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/solr-core-4.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/solr-solrj-4.6.1.jar"/>
 	<classpathentry kind="lib" path="lib/fontbox-1.8.4.jar"/>
 	<classpathentry kind="lib" path="lib/jempbox-1.8.4.jar"/>
 	<classpathentry kind="lib" path="lib/pdfbox-1.8.4.jar"/>
 	<classpathentry kind="lib" path="lib/guava-16.0.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-analyzers-common-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-analyzers-phonetic-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-classification-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-codecs-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-core-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-facet-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-grouping-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-highlighter-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-join-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-memory-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-misc-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-queries-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-queryparser-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-spatial-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/lucene-suggest-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/solr-core-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/solr-solrj-4.7.1.jar"/>
+	<classpathentry kind="lib" path="lib/spatial4j-0.4.1.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry kind="lib" path="lib/icu4j-core.jar"/>
 	<classpathentry kind="lib" path="lib/htmllexer.jar"/>
diff --git a/addon/YaCy.app/Contents/Info.plist b/addon/YaCy.app/Contents/Info.plist
index c69d0140b..12a4ae6d3 100644
--- a/addon/YaCy.app/Contents/Info.plist
+++ b/addon/YaCy.app/Contents/Info.plist
@@ -76,21 +76,21 @@
 			<string>$JAVAROOT/lib/jsch-0.1.50.jar</string>
 			<string>$JAVAROOT/lib/json-simple-1.1.1.jar</string>
 			<string>$JAVAROOT/lib/log4j-over-slf4j-1.7.2.jar</string>
-			<string>$JAVAROOT/lib/lucene-analyzers-common-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-analyzers-phonetic-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-classification-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-codecs-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-core-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-facet-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-grouping-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-highlighter-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-join-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-memory-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-misc-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-queries-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-queryparser-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-spatial-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/lucene-suggest-4.6.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-analyzers-common-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-analyzers-phonetic-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-classification-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-codecs-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-core-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-facet-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-grouping-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-highlighter-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-join-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-memory-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-misc-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-queries-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-queryparser-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-spatial-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/lucene-suggest-4.7.1.jar</string>
 			<string>$JAVAROOT/lib/metadata-extractor-2.6.2.jar</string>
 			<string>$JAVAROOT/lib/noggit-0.5.jar</string>
 			<string>$JAVAROOT/lib/pdfbox-1.8.4.jar</string>
@@ -99,9 +99,9 @@
 			<string>$JAVAROOT/lib/servlet-api-3.0.jar</string>
 			<string>$JAVAROOT/lib/slf4j-api-1.7.2.jar</string>
 			<string>$JAVAROOT/lib/slf4j-jdk14-1.7.2.jar</string>
-			<string>$JAVAROOT/lib/solr-core-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/solr-solrj-4.6.1.jar</string>
-			<string>$JAVAROOT/lib/spatial4j-0.3.jar</string>
+			<string>$JAVAROOT/lib/solr-core-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/solr-solrj-4.7.1.jar</string>
+			<string>$JAVAROOT/lib/spatial4j-0.4.1.jar</string>
 			<string>$JAVAROOT/lib/webcat-0.1-swf.jar</string>
 			<string>$JAVAROOT/lib/wstx-asl-3.2.9.jar</string>
 			<string>$JAVAROOT/lib/xercesImpl.jar</string>
diff --git a/build.xml b/build.xml
index 0819c58ca..c73db345d 100644
--- a/build.xml
+++ b/build.xml
@@ -201,21 +201,21 @@
     	<pathelement location="${lib}/json-simple-1.1.1.jar" />
     	<pathelement location="${lib}/jsoup-1.6.3.jar" />
     	<pathelement location="${lib}/log4j-over-slf4j-1.7.2.jar" />
-    	<pathelement location="${lib}/lucene-analyzers-common-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-analyzers-phonetic-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-classification-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-codecs-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-core-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-facet-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-grouping-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-highlighter-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-join-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-memory-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-misc-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-queries-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-queryparser-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-spatial-4.6.1.jar" />
-    	<pathelement location="${lib}/lucene-suggest-4.6.1.jar" />
+    	<pathelement location="${lib}/lucene-analyzers-common-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-analyzers-phonetic-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-classification-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-codecs-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-core-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-facet-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-grouping-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-highlighter-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-join-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-memory-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-misc-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-queries-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-queryparser-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-spatial-4.7.1.jar" />
+    	<pathelement location="${lib}/lucene-suggest-4.7.1.jar" />
     	<pathelement location="${lib}/metadata-extractor-2.6.2.jar" />
     	<pathelement location="${lib}/noggit-0.5.jar" />
         <pathelement location="${lib}/pdfbox-1.8.4.jar" />
@@ -224,9 +224,9 @@
         <pathelement location="${lib}/servlet-api-3.0.jar" />
         <pathelement location="${lib}/slf4j-api-1.7.2.jar" />
         <pathelement location="${lib}/slf4j-jdk14-1.7.2.jar" />
-        <pathelement location="${lib}/solr-core-4.6.1.jar" />
-        <pathelement location="${lib}/solr-solrj-4.6.1.jar" />
-    	<pathelement location="${lib}/spatial4j-0.3.jar" />
+        <pathelement location="${lib}/solr-core-4.7.1.jar" />
+        <pathelement location="${lib}/solr-solrj-4.7.1.jar" />
+    	<pathelement location="${lib}/spatial4j-0.4.1.jar" />
     	<pathelement location="${lib}/webcat-0.1-swf.jar" />
     	<pathelement location="${lib}/wstx-asl-3.2.9.jar" />
     	<pathelement location="${lib}/xercesImpl.jar" />
diff --git a/defaults/solr/solrconfig.xml b/defaults/solr/solrconfig.xml
index 02ceec670..375420cd8 100644
--- a/defaults/solr/solrconfig.xml
+++ b/defaults/solr/solrconfig.xml
@@ -35,7 +35,7 @@
      that you fully re-index after changing this setting as it can
      affect both how text is indexed and queried.
      -->
-    <luceneMatchVersion>4.6</luceneMatchVersion>
+    <luceneMatchVersion>4.7</luceneMatchVersion>
     
     <!-- <lib/> directives can be used to instruct Solr to load an Jars
      identified and use them to resolve any "plugins" specified in
diff --git a/lib/lucene-analyzers-common-4.6.1.jar b/lib/lucene-analyzers-common-4.7.1.jar
similarity index 80%
rename from lib/lucene-analyzers-common-4.6.1.jar
rename to lib/lucene-analyzers-common-4.7.1.jar
index 81ee7fb00..6e720ec91 100644
Binary files a/lib/lucene-analyzers-common-4.6.1.jar and b/lib/lucene-analyzers-common-4.7.1.jar differ
diff --git a/lib/lucene-analyzers-phonetic-4.6.1.jar b/lib/lucene-analyzers-phonetic-4.7.1.jar
similarity index 76%
rename from lib/lucene-analyzers-phonetic-4.6.1.jar
rename to lib/lucene-analyzers-phonetic-4.7.1.jar
index 12f7048a6..3a2c2c03b 100644
Binary files a/lib/lucene-analyzers-phonetic-4.6.1.jar and b/lib/lucene-analyzers-phonetic-4.7.1.jar differ
diff --git a/lib/lucene-classification-4.6.1.jar b/lib/lucene-classification-4.6.1.jar
deleted file mode 100644
index 7f8ecb0dc..000000000
Binary files a/lib/lucene-classification-4.6.1.jar and /dev/null differ
diff --git a/lib/lucene-classification-4.7.1.jar b/lib/lucene-classification-4.7.1.jar
new file mode 100644
index 000000000..b1db3e0de
Binary files /dev/null and b/lib/lucene-classification-4.7.1.jar differ
diff --git a/lib/lucene-codecs-4.6.1.jar b/lib/lucene-codecs-4.7.1.jar
similarity index 56%
rename from lib/lucene-codecs-4.6.1.jar
rename to lib/lucene-codecs-4.7.1.jar
index 809092119..f626aa43c 100644
Binary files a/lib/lucene-codecs-4.6.1.jar and b/lib/lucene-codecs-4.7.1.jar differ
diff --git a/lib/lucene-core-4.6.1.jar b/lib/lucene-core-4.7.1.jar
similarity index 66%
rename from lib/lucene-core-4.6.1.jar
rename to lib/lucene-core-4.7.1.jar
index b987497f1..30841e2c6 100644
Binary files a/lib/lucene-core-4.6.1.jar and b/lib/lucene-core-4.7.1.jar differ
diff --git a/lib/lucene-facet-4.6.1.jar b/lib/lucene-facet-4.6.1.jar
deleted file mode 100644
index fba4fec8b..000000000
Binary files a/lib/lucene-facet-4.6.1.jar and /dev/null differ
diff --git a/lib/lucene-facet-4.7.1.jar b/lib/lucene-facet-4.7.1.jar
new file mode 100644
index 000000000..2ccad2b88
Binary files /dev/null and b/lib/lucene-facet-4.7.1.jar differ
diff --git a/lib/lucene-grouping-4.6.1.jar b/lib/lucene-grouping-4.7.1.jar
similarity index 81%
rename from lib/lucene-grouping-4.6.1.jar
rename to lib/lucene-grouping-4.7.1.jar
index 2350f6851..263d8d45b 100644
Binary files a/lib/lucene-grouping-4.6.1.jar and b/lib/lucene-grouping-4.7.1.jar differ
diff --git a/lib/lucene-highlighter-4.6.1.jar b/lib/lucene-highlighter-4.7.1.jar
similarity index 53%
rename from lib/lucene-highlighter-4.6.1.jar
rename to lib/lucene-highlighter-4.7.1.jar
index 107ea7137..4a87dad33 100644
Binary files a/lib/lucene-highlighter-4.6.1.jar and b/lib/lucene-highlighter-4.7.1.jar differ
diff --git a/lib/lucene-join-4.6.1.jar b/lib/lucene-join-4.7.1.jar
similarity index 69%
rename from lib/lucene-join-4.6.1.jar
rename to lib/lucene-join-4.7.1.jar
index a65827f21..bd519c2c4 100644
Binary files a/lib/lucene-join-4.6.1.jar and b/lib/lucene-join-4.7.1.jar differ
diff --git a/lib/lucene-memory-4.6.1.jar b/lib/lucene-memory-4.6.1.jar
deleted file mode 100644
index 5a30c45f9..000000000
Binary files a/lib/lucene-memory-4.6.1.jar and /dev/null differ
diff --git a/lib/lucene-memory-4.7.1.jar b/lib/lucene-memory-4.7.1.jar
new file mode 100644
index 000000000..f5c933b03
Binary files /dev/null and b/lib/lucene-memory-4.7.1.jar differ
diff --git a/lib/lucene-misc-4.6.1.jar b/lib/lucene-misc-4.7.1.jar
similarity index 72%
rename from lib/lucene-misc-4.6.1.jar
rename to lib/lucene-misc-4.7.1.jar
index d8af447a5..d88d49306 100644
Binary files a/lib/lucene-misc-4.6.1.jar and b/lib/lucene-misc-4.7.1.jar differ
diff --git a/lib/lucene-queries-4.6.1.jar b/lib/lucene-queries-4.7.1.jar
similarity index 53%
rename from lib/lucene-queries-4.6.1.jar
rename to lib/lucene-queries-4.7.1.jar
index 226873304..9ae40b1c8 100644
Binary files a/lib/lucene-queries-4.6.1.jar and b/lib/lucene-queries-4.7.1.jar differ
diff --git a/lib/lucene-queryparser-4.6.1.jar b/lib/lucene-queryparser-4.7.1.jar
similarity index 82%
rename from lib/lucene-queryparser-4.6.1.jar
rename to lib/lucene-queryparser-4.7.1.jar
index 7b9ed99f6..c85c10ffb 100644
Binary files a/lib/lucene-queryparser-4.6.1.jar and b/lib/lucene-queryparser-4.7.1.jar differ
diff --git a/lib/lucene-spatial-4.6.1.jar b/lib/lucene-spatial-4.7.1.jar
similarity index 62%
rename from lib/lucene-spatial-4.6.1.jar
rename to lib/lucene-spatial-4.7.1.jar
index 6a5033338..8e853ebc9 100644
Binary files a/lib/lucene-spatial-4.6.1.jar and b/lib/lucene-spatial-4.7.1.jar differ
diff --git a/lib/lucene-suggest-4.6.1.jar b/lib/lucene-suggest-4.6.1.jar
deleted file mode 100644
index 988df0890..000000000
Binary files a/lib/lucene-suggest-4.6.1.jar and /dev/null differ
diff --git a/lib/lucene-suggest-4.7.1.jar b/lib/lucene-suggest-4.7.1.jar
new file mode 100644
index 000000000..f67f84ac9
Binary files /dev/null and b/lib/lucene-suggest-4.7.1.jar differ
diff --git a/lib/solr-core-4.6.1.jar b/lib/solr-core-4.6.1.jar
deleted file mode 100644
index 0e44070b0..000000000
Binary files a/lib/solr-core-4.6.1.jar and /dev/null differ
diff --git a/lib/solr-core-4.7.1.jar b/lib/solr-core-4.7.1.jar
new file mode 100644
index 000000000..896ecd2ed
Binary files /dev/null and b/lib/solr-core-4.7.1.jar differ
diff --git a/lib/solr-solr-4.6.1.License b/lib/solr-solr-4.7.1.License
similarity index 100%
rename from lib/solr-solr-4.6.1.License
rename to lib/solr-solr-4.7.1.License
diff --git a/lib/solr-solrj-4.6.1.jar b/lib/solr-solrj-4.6.1.jar
deleted file mode 100644
index 07b033508..000000000
Binary files a/lib/solr-solrj-4.6.1.jar and /dev/null differ
diff --git a/lib/solr-solrj-4.6.1.License b/lib/solr-solrj-4.7.1.License
similarity index 100%
rename from lib/solr-solrj-4.6.1.License
rename to lib/solr-solrj-4.7.1.License
diff --git a/lib/solr-solrj-4.7.1.jar b/lib/solr-solrj-4.7.1.jar
new file mode 100644
index 000000000..ec811034e
Binary files /dev/null and b/lib/solr-solrj-4.7.1.jar differ
diff --git a/lib/spatial4j-0.3.jar b/lib/spatial4j-0.3.jar
deleted file mode 100644
index 56f68b47a..000000000
Binary files a/lib/spatial4j-0.3.jar and /dev/null differ
diff --git a/lib/spatial4j-0.4.1.jar b/lib/spatial4j-0.4.1.jar
new file mode 100644
index 000000000..e62c0b480
Binary files /dev/null and b/lib/spatial4j-0.4.1.jar differ
diff --git a/source/net/yacy/search/index/Fulltext.java b/source/net/yacy/search/index/Fulltext.java
index 82de4dfd3..e64178e1e 100644
--- a/source/net/yacy/search/index/Fulltext.java
+++ b/source/net/yacy/search/index/Fulltext.java
@@ -78,8 +78,8 @@ import org.apache.lucene.util.Version;
 
 public final class Fulltext {
 
-    private static final String SOLR_PATH = "solr_46"; // the number should be identical to the number in the property luceneMatchVersion in solrconfig.xml
-    private static final String SOLR_OLD_PATH[] = new String[]{"solr_36", "solr_40", "solr_44", "solr_45"};
+    private static final String SOLR_PATH = "solr_47"; // the number should be identical to the number in the property luceneMatchVersion in solrconfig.xml
+    private static final String SOLR_OLD_PATH[] = new String[]{"solr_36", "solr_40", "solr_44", "solr_45", "solr_46"};
     
     // class objects
     private final File                    segmentPath;