* This one with index which results in an exception.
*/
@Test
public void testExecuteOnKeysBackupOperationIndexed() throws Exception {
Config cfg = new Config();
cfg.getMapConfig("test").setBackupCount(1).addMapIndexConfig(new MapIndexConfig("attr1", false));
TestHazelcastInstanceFactory nodeFactory = createHazelcastInstanceFactory(2);
HazelcastInstance instance1 = nodeFactory.newHazelcastInstance(cfg);
HazelcastInstance instance2 = nodeFactory.newHazelcastInstance(cfg);
IMap<String, TempData> map = instance1.getMap("test");