fix for http://www.yacy-forum.de/viewtopic.php?t=3411

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3331 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/kelondro/kelondroFlexTable.java

@@ -240,7 +240,14 @@ public class kelondroFlexTable extends kelondroFlexWidthArray implements kelondr
         }
 
         public Object next() {
-            kelondroRow.Entry idxEntry = (kelondroRow.Entry) indexIterator.next();
+            kelondroRow.Entry idxEntry = null;
+            while ((indexIterator.hasNext()) && (idxEntry == null)) {
+                idxEntry = (kelondroRow.Entry) indexIterator.next();
+            }
+            if (idxEntry == null) {
+                serverLog.logSevere("kelondroFlexTable.rowIterator: " + tablename, "indexIterator returned null");
+                return null;
+            }
             int idx = (int) idxEntry.getColLong(1);
             try {
                 return get(idx);

source/de/anomic/kelondro/kelondroFlexWidthArray.java

@@ -36,9 +36,11 @@ public class kelondroFlexWidthArray implements kelondroArray {
 
     protected kelondroFixedWidthArray[] col;
     protected kelondroRow rowdef;
+    protected String tablename;
     
     public kelondroFlexWidthArray(File path, String tablename, kelondroRow rowdef) throws IOException {
         this.rowdef = rowdef;
+        this.tablename = tablename;
         
         // initialize columns
         col = new kelondroFixedWidthArray[rowdef.columns()];