Fix OPENDJ-992: JE environment failure (LOG_FILE_NOT_FOUND) after upgrading...

Matthew Swift

20.43.2013 afcb52d4988031fbfff73eee965f16f04ac6d443

Fix OPENDJ-992: JE environment failure (LOG_FILE_NOT_FOUND) after upgrading from OpenDJ 2.4.6 to OpenDJ 2.6.0

Revert changes to matching rule which were applied in r7640.

 opendj-sdk/opends/src/server/org/opends/server/replication/plugin/HistoricalCsnOrderingMatchingRule.java

@@ -36,7 +36,6 @@
import org.opends.server.api.AbstractMatchingRule;
import org.opends.server.api.OrderingMatchingRule;
import org.opends.server.types.*;
import org.opends.server.util.StaticUtils;

/**
 * Used to establish an order between historical information and index them.
@@ -162,7 +161,42 @@
   */
  public int compare(byte[] b1, byte[] b2)
  {
    return StaticUtils.compare(b1, b2);
    /*
     * See OPENDJ-992: do not use StaticUtils.compare() because it performs
     * unsigned comparisons whereas the 2.4 implementation (below) performs
     * signed comparisons. Changes to indexing comparators require that the
     * index be rebuilt, otherwise the DB can fail unexpectedly.
     */
    int minLength = Math.min(b1.length, b2.length);

    for (int i = 0; i < minLength; i++)
    {
      if (b1[i] == b2[i])
      {
        continue;
      }
      else if (b1[i] < b2[i])
      {
        return -1;
      }
      else if (b1[i] > b2[i])
      {
        return 1;
      }
    }

    if (b1.length == b2.length)
    {
      return 0;
    }
    else if (b1.length < b2.length)
    {
      return -1;
    }
    else
    {
      return 1;
    }
  }

}