diff --git a/htroot/ConfigHTCache_p.html b/htroot/ConfigHTCache_p.html
index bb59d2dd8..2c405795c 100644
--- a/htroot/ConfigHTCache_p.html
+++ b/htroot/ConfigHTCache_p.html
@@ -33,9 +33,10 @@
       <dl>
         <dt class="TableCellDark">Cache Deletion</dt>
         <dd><input type="checkbox" name="deleteCache" id="deleteCache"
-             onclick="x=document.getElementById('deleteCache').checked;document.getElementById('deleteRobots').checked=x;c='disabled';if(x){c='';}document.getElementById('deleteRobots').disabled=c;"
+             onclick="x=document.getElementById('deleteCache').checked;document.getElementById('deleteRobots').checked=x;document.getElementById('deleteSearchFl').checked=x;c='disabled';if(x){c='';}document.getElementById('deleteRobots').disabled=c;document.getElementById('deleteSearchFl').disabled=c;"
             />Delete HTTP &amp; FTP Cache<br/>
-            <input type="checkbox" name="deleteRobots" id="deleteRobots" disabled="disabled" />Delete robots.txt Cache<br/><br/><br/>
+            <input type="checkbox" name="deleteRobots" id="deleteRobots" disabled="disabled" />Delete robots.txt Cache<br/>
+            <input type="checkbox" name="deleteSearchFl" id="deleteSearchFl" disabled="disabled" />Delete cached snippet-fetching failures during search<br/><br/><br/>
             <input type="submit" name="deletecomplete" value="Delete"/>
         </dd>
       </dl>
diff --git a/htroot/ConfigHTCache_p.java b/htroot/ConfigHTCache_p.java
index e3bc15c36..331d8856d 100644
--- a/htroot/ConfigHTCache_p.java
+++ b/htroot/ConfigHTCache_p.java
@@ -27,9 +27,11 @@
 // if the shell's current path is HTROOT
 
 import java.io.File;
+import java.io.IOException;
 
 import net.yacy.cora.protocol.RequestHeader;
 
+import de.anomic.data.WorkTables;
 import de.anomic.http.client.Cache;
 import de.anomic.search.Switchboard;
 import de.anomic.search.SwitchboardConstants;
@@ -38,7 +40,7 @@ import de.anomic.server.serverSwitch;
 
 public class ConfigHTCache_p {
 
-    public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
+    public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) throws IOException {
         // return variable that accumulates replacements
         final Switchboard sb = (Switchboard) env;
         final serverObjects prop = new serverObjects();
@@ -70,6 +72,9 @@ public class ConfigHTCache_p {
             if ("on".equals(post.get("deleteRobots", ""))) {
                 sb.robots.clear();
             }
+            if ("on".equals(post.get("deleteSearchFl", ""))) {
+            	sb.tables.clear(WorkTables.TABLE_SEARCH_FAILURE_NAME);
+            }
         }
 
         prop.put("HTCachePath", env.getConfig(SwitchboardConstants.HTCACHE_PATH, SwitchboardConstants.HTCACHE_PATH_DEFAULT));
diff --git a/htroot/IndexControlRWIs_p.html b/htroot/IndexControlRWIs_p.html
index d994dace9..469df8dca 100644
--- a/htroot/IndexControlRWIs_p.html
+++ b/htroot/IndexControlRWIs_p.html
@@ -41,11 +41,12 @@
       <dl>
         <dt class="TableCellDark">Index Deletion</dt>
         <dd><input type="checkbox" name="deleteIndex" id="deleteIndex"
-             onclick="x=document.getElementById('deleteIndex').checked;document.getElementById('deleteCache').checked=x;document.getElementById('deleteRobots').checked=x;document.getElementById('deleteCrawlQueues').checked=x;c='disabled';if(x){c='';}document.getElementById('deleteCache').disabled=c;document.getElementById('deleteRobots').disabled=c;document.getElementById('deleteCrawlQueues').disabled=c;"
+             onclick="x=document.getElementById('deleteIndex').checked;document.getElementById('deleteCache').checked=x;document.getElementById('deleteRobots').checked=x;document.getElementById('deleteCrawlQueues').checked=x;c='disabled';document.getElementById('deleteSearchFl').checked=x;if(x){c='';}document.getElementById('deleteCache').disabled=c;document.getElementById('deleteRobots').disabled=c;document.getElementById('deleteCrawlQueues').disabled=c;document.getElementById('deleteSearchFl').disabled=c;"
             /><label for="deleteIndex">Delete Search Index</label><br/>
             <input type="checkbox" name="deleteCrawlQueues" id="deleteCrawlQueues" disabled="disabled" /><label for="deleteCrawlQueues">Stop Crawler and delete Crawl Queues</label><br/>
             <input type="checkbox" name="deleteCache" id="deleteCache" disabled="disabled" /><label for="deleteCache">Delete HTTP &amp; FTP Cache</label><br/>
-            <input type="checkbox" name="deleteRobots" id="deleteRobots" disabled="disabled" /><label for="deleteRobots">Delete robots.txt Cache</label><br/><br/><br/>
+            <input type="checkbox" name="deleteRobots" id="deleteRobots" disabled="disabled" /><label for="deleteRobots">Delete robots.txt Cache</label><br/>
+            <input type="checkbox" name="deleteSearchFl" id="deleteSearchFl" disabled="disabled" /><label for="deleteSearchFl">Delete cached snippet-fetching failures during search</label><br/><br/><br/>
             <input type="submit" name="deletecomplete" value="Delete"/>
         </dd>
       </dl>
diff --git a/htroot/IndexControlRWIs_p.java b/htroot/IndexControlRWIs_p.java
index 2ea39ce29..3e934901b 100644
--- a/htroot/IndexControlRWIs_p.java
+++ b/htroot/IndexControlRWIs_p.java
@@ -55,6 +55,7 @@ import net.yacy.repository.Blacklist;
 
 import de.anomic.crawler.CrawlProfile;
 import de.anomic.data.ListManager;
+import de.anomic.data.WorkTables;
 import de.anomic.http.client.Cache;
 import de.anomic.search.QueryParams;
 import de.anomic.search.RankingProcess;
@@ -71,7 +72,7 @@ import de.anomic.yacy.dht.PeerSelection;
 
 public class IndexControlRWIs_p {
     
-    public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
+    public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) throws IOException {
         // return variable that accumulates replacements
         final Switchboard sb = (Switchboard) env;
         final serverObjects prop = new serverObjects();
@@ -160,6 +161,9 @@ public class IndexControlRWIs_p {
                 if (post.get("deleteRobots", "").equals("on")) {
                     sb.robots.clear();
                 }
+                if (post.get("deleteSearchFl", "").equals("on")) {
+                	sb.tables.clear(WorkTables.TABLE_SEARCH_FAILURE_NAME);
+                }
                 post.remove("deletecomplete");
             }