@Override
    public Savepoint setSavepoint(String name) throws SQLException {
      TestObjectStoreInitRetry.debugTrace();
      return _baseConn.setSavepoint(name);
    }
Fake derby driver - companion class to enable testing by TestObjectStoreInitRetry
standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/FakeDerby.java