addition to patch in SVN 7111

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7170 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/net/yacy/kelondro/blob/HeapReader.java

@@ -423,6 +423,9 @@ public class HeapReader {
                 // verification of the indexed access failed. we must re-read the index
                 Log.logSevere("kelondroBLOBHeap", "indexed verification access failed for " + heapFile.toString());
                 // this is a severe operation, it should never happen.
+                // remove entry from index because keeping that element in the index would not make sense
+                index.remove(key);
+                // nothing to return
                 return null;
                 // but if the process ends in this state, it would completely fail
                 // if the index is not rebuild now at once