diff --git a/.classpath b/.classpath
index 27ca015d7..adff24117 100644
--- a/.classpath
+++ b/.classpath
@@ -33,19 +33,14 @@
 	<classpathentry kind="lib" path="lib/json-simple-1.1.jar"/>
 	<classpathentry kind="lib" path="lib/xercesImpl.jar"/>
 	<classpathentry kind="lib" path="lib/xml-apis.jar"/>
-	<classpathentry kind="lib" path="lib/slf4j-api-1.6.1.jar"/>
-	<classpathentry kind="lib" path="lib/slf4j-jdk14-1.6.1.jar"/>
 	<classpathentry kind="lib" path="lib/geronimo-stax-api_1.0_spec-1.0.1.jar"/>
-	<classpathentry kind="lib" path="lib/jcl-over-slf4j-1.6.1.jar"/>
 	<classpathentry kind="lib" path="lib/wstx-asl-3.2.7.jar"/>
-	<classpathentry kind="lib" path="lib/commons-codec-1.6.jar"/>
 	<classpathentry kind="lib" path="lib/httpcore-4.2.2.jar" sourcepath="/Volumes/Raptor/Data/sourcecode/httpcore/src/main/java"/>
 	<classpathentry kind="lib" path="lib/httpclient-4.2.2.jar" sourcepath="/Volumes/Raptor/Data/sourcecode/httpclient/src/main/java"/>
 	<classpathentry kind="lib" path="lib/httpmime-4.2.2.jar"/>
 	<classpathentry kind="lib" path="lib/commons-io-2.1.jar"/>
 	<classpathentry kind="lib" path="lib/commons-compress-1.4.1.jar"/>
 	<classpathentry kind="lib" path="lib/guava-r05.jar"/>
-	<classpathentry kind="lib" path="lib/log4j-over-slf4j-1.6.1.jar"/>
 	<classpathentry kind="lib" path="lib/commons-lang-2.6.jar"/>
 	<classpathentry kind="lib" path="lib/commons-httpclient-3.1.jar"/>
 	<classpathentry kind="lib" path="lib/servlet-api-2.5-20081211.jar"/>
@@ -65,6 +60,11 @@
 	<classpathentry kind="lib" path="lib/lucene-spellchecker-3.6.1.jar"/>
 	<classpathentry kind="lib" path="lib/lucene-memory-3.6.1.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/jcl-over-slf4j-1.6.4.jar"/>
+	<classpathentry kind="lib" path="lib/log4j-over-slf4j-1.6.4.jar"/>
+	<classpathentry kind="lib" path="lib/slf4j-api-1.6.4.jar"/>
+	<classpathentry kind="lib" path="lib/slf4j-jdk14-1.6.4.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 1b6c20782..94b54e344 100644
--- a/addon/YaCy.app/Contents/Info.plist
+++ b/addon/YaCy.app/Contents/Info.plist
@@ -45,7 +45,7 @@
 			<string>$JAVAROOT/lib/arq-2.8.7.jar</string>
 			<string>$JAVAROOT/lib/bcmail-jdk15-145.jar</string>
 			<string>$JAVAROOT/lib/bcprov-jdk15-145.jar</string>
-			<string>$JAVAROOT/lib/commons-codec-1.6.jar</string>
+			<string>$JAVAROOT/lib/commons-codec-1.7.jar</string>
 			<string>$JAVAROOT/lib/commons-compress-1.4.1.jar</string>
 			<string>$JAVAROOT/lib/commons-fileupload-1.2.2.jar</string>
 			<string>$JAVAROOT/lib/commons-httpclient-3.1.jar</string>
@@ -64,7 +64,7 @@
 			<string>$JAVAROOT/lib/iri-0.8.jar</string>
 			<string>$JAVAROOT/lib/jakarta-oro-2.0.8.jar</string>
 			<string>$JAVAROOT/lib/jcifs-1.3.15.jar</string>
-			<string>$JAVAROOT/lib/jcl-over-slf4j-1.6.1.jar</string>
+			<string>$JAVAROOT/lib/jcl-over-slf4j-1.6.4.jar</string>
 			<string>$JAVAROOT/lib/jempbox-1.7.0.jar</string>
 			<string>$JAVAROOT/lib/jena-2.6.4.jar</string>
 			<string>$JAVAROOT/lib/jetty-6.1.26-patched-JETTY-1340.jar</string>
@@ -72,7 +72,7 @@
 			<string>$JAVAROOT/lib/jsch-0.1.42.jar</string>
 			<string>$JAVAROOT/lib/json-simple-1.1.jar</string>
 			<string>$JAVAROOT/lib/log4j-1.2.16.jar</string>
-			<string>$JAVAROOT/lib/log4j-over-slf4j-1.6.1.jar</string>
+			<string>$JAVAROOT/lib/log4j-over-slf4j-1.6.4.jar</string>
 			<string>$JAVAROOT/lib/lucene-analyzers-3.6.1.jar</string>
 			<string>$JAVAROOT/lib/lucene-grouping-3.6.1.jar</string>
 			<string>$JAVAROOT/lib/lucene-core-3.6.1.jar</string>
@@ -88,8 +88,8 @@
 			<string>$JAVAROOT/lib/poi-scratchpad-3.6-20091214.jar</string>
 			<string>$JAVAROOT/lib/sax-2.0.1.jar</string>
 			<string>$JAVAROOT/lib/servlet-api-2.5-20081211.jar</string>
-			<string>$JAVAROOT/lib/slf4j-api-1.6.1.jar</string>
-			<string>$JAVAROOT/lib/slf4j-jdk14-1.6.1.jar</string>
+			<string>$JAVAROOT/lib/slf4j-api-1.6.4.jar</string>
+			<string>$JAVAROOT/lib/slf4j-jdk14-1.6.4.jar</string>
 			<string>$JAVAROOT/lib/webcat-0.1-swf.jar</string>
 			<string>$JAVAROOT/lib/wstx-asl-3.2.7.jar</string>
 			<string>$JAVAROOT/lib/xercesImpl.jar</string>
diff --git a/build.xml b/build.xml
index 55cf12de4..f822ca1dc 100644
--- a/build.xml
+++ b/build.xml
@@ -164,7 +164,7 @@
         <pathelement location="${lib}/arq-2.8.7.jar" />
     	<pathelement location="${lib}/bcmail-jdk15-145.jar" />
     	<pathelement location="${lib}/bcprov-jdk15-145.jar" />
-    	<pathelement location="${lib}/commons-codec-1.6.jar" />
+    	<pathelement location="${lib}/commons-codec-1.7.jar" />
     	<pathelement location="${lib}/commons-compress-1.4.1.jar" />
     	<pathelement location="${lib}/commons-fileupload-1.2.2.jar" />
     	<pathelement location="${lib}/commons-httpclient-3.1.jar" />
@@ -183,7 +183,7 @@
         <pathelement location="${lib}/iri-0.8.jar" />
         <pathelement location="${lib}/jakarta-oro-2.0.8.jar" />
     	<pathelement location="${lib}/jcifs-1.3.15.jar" />
-    	<pathelement location="${lib}/jcl-over-slf4j-1.6.1.jar" />
+    	<pathelement location="${lib}/jcl-over-slf4j-1.6.4.jar" />
     	<pathelement location="${lib}/jempbox-1.7.0" />
     	<pathelement location="${lib}/jena-2.6.4.jar" />
     	<pathelement location="${lib}/jetty-6.1.26-patched-JETTY-1340.jar" />
@@ -192,7 +192,7 @@
     	<pathelement location="${lib}/json-simple-1.1.jar" />
     	<pathelement location="${lib}/jsoup-1.6.3.jar" />
     	<pathelement location="${lib}/log4j-1.2.16.jar" />
-    	<pathelement location="${lib}/log4j-over-slf4j-1.6.1.jar" />
+    	<pathelement location="${lib}/log4j-over-slf4j-1.6.4.jar" />
     	<pathelement location="${lib}/lucene-analyzers-3.6.1.jar" />
     	<pathelement location="${lib}/lucene-grouping-3.6.1.jar" />
     	<pathelement location="${lib}/lucene-core-3.6.1.jar" />
@@ -208,8 +208,8 @@
     	<pathelement location="${lib}/poi-scratchpad-3.6-20091214.jar" />
     	<pathelement location="${lib}/sax-2.0.1.jar" />
         <pathelement location="${lib}/servlet-api-2.5-20081211.jar" />
-        <pathelement location="${lib}/slf4j-api-1.6.1.jar" />
-        <pathelement location="${lib}/slf4j-jdk14-1.6.1.jar" />
+        <pathelement location="${lib}/slf4j-api-1.6.4.jar" />
+        <pathelement location="${lib}/slf4j-jdk14-1.6.4.jar" />
     	<pathelement location="${lib}/webcat-0.1-swf.jar" />
     	<pathelement location="${lib}/wstx-asl-3.2.7.jar" />
     	<pathelement location="${lib}/xercesImpl.jar" />
diff --git a/lib/commons-codec-1.6.jar b/lib/commons-codec-1.6.jar
deleted file mode 100644
index ee1bc49ac..000000000
Binary files a/lib/commons-codec-1.6.jar and /dev/null differ
diff --git a/lib/commons-codec-1.6.License b/lib/commons-codec-1.7.License
similarity index 100%
rename from lib/commons-codec-1.6.License
rename to lib/commons-codec-1.7.License
diff --git a/lib/commons-codec-1.7.jar b/lib/commons-codec-1.7.jar
new file mode 100644
index 000000000..efa7f7291
Binary files /dev/null and b/lib/commons-codec-1.7.jar differ
diff --git a/lib/jcl-over-slf4j-1.6.1.jar b/lib/jcl-over-slf4j-1.6.4.jar
similarity index 76%
rename from lib/jcl-over-slf4j-1.6.1.jar
rename to lib/jcl-over-slf4j-1.6.4.jar
index 79e1ec2ca..3d0bb1f3a 100644
Binary files a/lib/jcl-over-slf4j-1.6.1.jar and b/lib/jcl-over-slf4j-1.6.4.jar differ
diff --git a/lib/log4j-over-slf4j-1.6.1.jar b/lib/log4j-over-slf4j-1.6.1.jar
deleted file mode 100644
index c4025f42e..000000000
Binary files a/lib/log4j-over-slf4j-1.6.1.jar and /dev/null differ
diff --git a/lib/log4j-over-slf4j-1.6.4.jar b/lib/log4j-over-slf4j-1.6.4.jar
new file mode 100644
index 000000000..ac397ff74
Binary files /dev/null and b/lib/log4j-over-slf4j-1.6.4.jar differ
diff --git a/lib/slf4j-api-1.6.1.jar b/lib/slf4j-api-1.6.1.jar
deleted file mode 100644
index 42e0ad0de..000000000
Binary files a/lib/slf4j-api-1.6.1.jar and /dev/null differ
diff --git a/lib/slf4j-api-1.6.4.jar b/lib/slf4j-api-1.6.4.jar
new file mode 100644
index 000000000..76ef3050f
Binary files /dev/null and b/lib/slf4j-api-1.6.4.jar differ
diff --git a/lib/slf4j-jdk14-1.6.1.jar b/lib/slf4j-jdk14-1.6.1.jar
deleted file mode 100644
index f4eb2f8af..000000000
Binary files a/lib/slf4j-jdk14-1.6.1.jar and /dev/null differ
diff --git a/lib/slf4j-jdk14-1.6.4.jar b/lib/slf4j-jdk14-1.6.4.jar
new file mode 100644
index 000000000..178483144
Binary files /dev/null and b/lib/slf4j-jdk14-1.6.4.jar differ