diff --git a/build.properties b/build.properties
index 7fb72d4ad..d778b47b1 100644
--- a/build.properties
+++ b/build.properties
@@ -3,7 +3,7 @@ javacSource=1.4
 javacTarget=1.4
 
 # Release Configuration
-releaseVersion=0.515
+releaseVersion=0.516
 releaseFile=yacy_dev_v${releaseVersion}_${DSTAMP}_${releaseNr}.tar.gz
 #releaseFile=yacy_v${releaseVersion}_${DSTAMP}_${releaseNr}.tar.gz
 releaseDir=yacy_dev_v${releaseVersion}_${DSTAMP}_${releaseNr}
diff --git a/htroot/Status.java b/htroot/Status.java
index 62b77674a..d26e453ae 100644
--- a/htroot/Status.java
+++ b/htroot/Status.java
@@ -179,7 +179,7 @@ public class Status {
         } else {
             prop.put("extPortFormat",0);
         }
-        prop.put("host", serverCore.publicLocalIP());
+        prop.put("host", serverCore.publicLocalIP().getHostAddress());
         
         // ssl support
         prop.put("sslSupport",env.getConfig("keyStore", "").length() == 0 ? 0:1);
diff --git a/htroot/env/base.css b/htroot/env/base.css
index 9bf916b72..28bd2096d 100644
--- a/htroot/env/base.css
+++ b/htroot/env/base.css
@@ -235,7 +235,7 @@ div.ProgressBarCaption {
 }
 div.ProgressBar {
 	float:left;
-	width:150px;
+	width:120px;
 	height:10px;
 }
 div.ProgressBarFill {
diff --git a/source/de/anomic/http/httpc.java b/source/de/anomic/http/httpc.java
index 3bb1ffb6e..f509e557d 100644
--- a/source/de/anomic/http/httpc.java
+++ b/source/de/anomic/http/httpc.java
@@ -535,17 +535,11 @@ public final class httpc {
     */
     public static void flushHitNameCache() {
         int cutofftime = intTime(System.currentTimeMillis()) - maxNameCacheHitAge;
-        int size;
         String k;
-        synchronized (nameCacheHit) {
-            size = nameCacheHitAges.size();
-            while ((size > 0) &&
-                   (size > maxNameCacheHitSize) || (nameCacheHitAges.getMinScore() < cutofftime)) {
-                k = (String) nameCacheHitAges.getMinObject();
-                nameCacheHit.remove(k);
-                nameCacheHitAges.deleteScore(k);
-                size--; // size = nameCacheAges.size();
-            }
+        while ((nameCacheHitAges.size() > maxNameCacheHitSize) || (nameCacheHitAges.getMinScore() < cutofftime)) {
+            k = (String) nameCacheHitAges.getMinObject();
+            if (nameCacheHit.remove(k) == null) break; // ensure termination
+            nameCacheHitAges.deleteScore(k);
         }
         
     }
@@ -555,17 +549,11 @@ public final class httpc {
      */
      public static void flushMissNameCache() {
         int cutofftime = intTime(System.currentTimeMillis()) - maxNameCacheMissAge;
-        int size;
         String k;
-        synchronized (nameCacheMiss) {
-            size = nameCacheMissAges.size();
-            while ((size > 0) &&
-                   (size > maxNameCacheMissSize) || (nameCacheMissAges.getMinScore() < cutofftime)) {
-                k = (String) nameCacheMissAges.getMinObject();
-                nameCacheMiss.remove(k);
-                nameCacheMissAges.deleteScore(k);
-                size--; // size = nameCacheAges.size();
-            }
+        while ((nameCacheMissAges.size() > maxNameCacheMissSize) || (nameCacheMissAges.getMinScore() < cutofftime)) {
+            k = (String) nameCacheMissAges.getMinObject();
+            if (!nameCacheMiss.remove(k)) break; // ensure termination
+            nameCacheMissAges.deleteScore(k);
         }
         
     }
diff --git a/source/de/anomic/yacy/yacyDHTAction.java b/source/de/anomic/yacy/yacyDHTAction.java
index 5c6bbab5f..bf1215d80 100644
--- a/source/de/anomic/yacy/yacyDHTAction.java
+++ b/source/de/anomic/yacy/yacyDHTAction.java
@@ -296,9 +296,10 @@ public class yacyDHTAction implements yacyPeerAction {
 
         double avdist, firstdist, lastdist;
         Enumeration e = this.getAcceptRemoteIndexSeeds(lastKey);
-        Hashtable peerFilter = new Hashtable(); 
+        Hashtable peerFilter = new Hashtable();
+        int maxloop = Math.min(30, yacyCore.seedDB.sizeConnected()); // to ensure termination
         if (log != null) log.logInfo("Collecting DHT target peers for first_hash = " + firstKey + ", last_hash = " + lastKey);
-        while ((e.hasMoreElements()) && (seeds.size() < (primaryPeerCount + reservePeerCount))) {
+        while ((e.hasMoreElements()) && (seeds.size() < (primaryPeerCount + reservePeerCount)) && (maxloop-- > 0)) {
             seed = (yacySeed) e.nextElement();
             if (seeds != null) {
             	firstdist = yacyDHTAction.dhtDistance(seed.hash, firstKey);