I get this error several times in my log. Don't know how to solve it. Searched the internet for a while but nothing helps.
2014-03-03 12:22:18,450 [zagreb][Thread:42][ERROR] DotNetNuke.Services.Search.Internals.LuceneControllerImpl - Search Document error: Portal ID: 0, Tab ID: 0, Module ID: 981, Mod. Def.ID: 132, Url: , Unique Key: P0171, Last Modified: 2014-03-02T23:00:00.0000000Z, Culture: nl-BE
DotNetNuke.Services.Exceptions.SearchException: Unable to create Lucene writer (lock file is in use). Please recycle AppPool in IIS to release lock. ---> System.IO.IOException: The process cannot access the file 'D:\Websites\Matexi\App_Data\Search\write.lock' because it is being used by another process.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.File.InternalDelete(String path, Boolean checkHost)
at System.IO.File.Delete(String path)
at DotNetNuke.Services.Search.Internals.LuceneControllerImpl.get_Writer()
--- End of inner exception stack trace ---
at DotNetNuke.Services.Search.Internals.LuceneControllerImpl.get_Writer()
at DotNetNuke.Services.Search.Internals.LuceneControllerImpl.Delete(Query query)
at DotNetNuke.Services.Search.Internals.InternalSearchControllerImpl.DeleteSearchDocumentInternal(SearchDocument searchDocument, Boolean autoCommit)
at DotNetNuke.Services.Search.Internals.InternalSearchControllerImpl.AddSearchDocumentInternal(SearchDocument searchDocument, Boolean autoCommit)
at DotNetNuke.Services.Search.Internals.InternalSearchControllerImpl.AddSearchDocuments(IEnumerable`1 searchDocuments)