Fix for DIRSERVER-2418, thanks to Mikhail Titov for his report.

Author: elecharny

xdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/AbstractBTreePartition.java

@@ -1274,7 +1274,18 @@ public Entry lookup( LookupOperationContext lookupContext ) throws LdapException
                 }
             }
 
-            return fetch( partitionTxn, id, lookupContext.getDn() );
+            Entry result = fetch( partitionTxn, id, lookupContext.getDn() );
+            
+            if ( result == null )
+            {
+                System.out.println( "Entry not found!!!" );
+            }
+            else
+            {
+                System.out.println( "Entry found:" + result.getDn() );
+            }
+            
+            return result;
         }
         catch ( Exception e )
         {
@@ -3001,7 +3012,11 @@ public String getSuffixId( PartitionTxn partitionTxn ) throws LdapException
             try
             {
                 rwLock.readLock().lock();
-                suffixId = rdnIdx.forwardLookup( partitionTxn, key );
+                
+                if ( suffixId == null )
+                {
+                    suffixId = rdnIdx.forwardLookup( partitionTxn, key );
+                }
             }
             finally
             {