I am getting error for umbraco version 7.15.4 and application shut down in live server
ERROR Umbraco.Web.PublishedCache.XmlPublishedCache.PublishedMediaCache - Could not load data from Examine index for media, the app domain is most likely in a shutdown state
Lucene.Net.Store.AlreadyClosedException: this IndexReader is closed
at Lucene.Net.Index.IndexReader.EnsureOpen()
at Lucene.Net.Index.DirectoryReader.GetFieldNames(FieldOption fieldNames)
at Examine.LuceneEngine.Providers.LuceneSearcher.GetSearchFields()
at UmbracoExamine.UmbracoExamineSearcher.GetSearchFields()
at Examine.LuceneEngine.Providers.BaseLuceneSearcher.CreateSearchCriteria(String type, BooleanOperation defaultOperation)
at UmbracoExamine.UmbracoExamineSearcher.CreateSearchCriteria(String type, BooleanOperation defaultOperation)
at Examine.LuceneEngine.Providers.BaseLuceneSearcher.CreateSearchCriteria(String type)
at Umbraco.Web.PublishedCache.XmlPublishedCache.PublishedMediaCache.GetUmbracoMediaCacheValues(Int32 id)
Why this error happens and how to fix?
This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/101985-examine-index-error