Why Indexes are lost after recovering from a REPLICATE_PERSISTENT region?

Gemfire Version V7.0.1.3 For region spec below. java.lang.String com.foo.bar.Positon After recovering from persistent store there are no indexs on region. All indexes are lost. CacheFactory cacheFactory = new CacheFactory(); cache = cacheFactory.create(); ByteArrayInputStream ins  = new ByteArrayInputStream(cachexmlstring); cache.loadCacheXml(ins);