2015-01-27 16:16:23,125 [KQZ-Web-SRV][Thread:9][ERROR] DotNetNuke.Services.Exceptions.Exceptions - System.ArgumentException: An item with the same key has already been added.
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at DotNetNuke.Entities.Portals.PortalController.GetPortalSettingsDictionaryCallback(CacheItemArgs cacheItemArgs)
2015-01-27 16:16:23,547 [KQZ-Web-SRV][Thread:9][ERROR] DotNetNuke.Services.Exceptions.Exceptions - System.ArgumentException: An item with the same key has already been added.
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at DotNetNuke.Entities.Portals.PortalController.GetPortalSettingsDictionaryCallback(CacheItemArgs cacheItemArgs)
2015-01-27 16:17:29,344 [KQZ-Web-SRV][Thread:11][ERROR] DotNetNuke.Services.Scheduling.SchedulerClient - System.IO.IOException: read past EOF
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean create, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter..ctor(Directory d, Analyzer a, MaxFieldLength mfl)
   at avt.SearchBoost.Core.Indexing.LuceneStorage.BeginWrite()
   at avt.SearchBoost.Core.Indexing.SearchBoostIndexer.IndexContent()
   at avt.SearchBoost.Core.Indexing.SearchBoostScheduler.DoWork()
2015-01-27 16:17:29,360 [KQZ-Web-SRV][Thread:11][ERROR] DotNetNuke.Services.Exceptions.Exceptions - System.IO.IOException: read past EOF
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean create, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter..ctor(Directory d, Analyzer a, MaxFieldLength mfl)
   at avt.SearchBoost.Core.Indexing.LuceneStorage.BeginWrite()
   at avt.SearchBoost.Core.Indexing.SearchBoostIndexer.IndexContent()
   at avt.SearchBoost.Core.Indexing.SearchBoostScheduler.DoWork()
2015-01-27 16:17:29,375 [KQZ-Web-SRV][Thread:11][ERROR] DotNetNuke.Services.Exceptions.Exceptions - System.IO.IOException: read past EOF
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean create, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter..ctor(Directory d, Analyzer a, MaxFieldLength mfl)
   at avt.SearchBoost.Core.Indexing.LuceneStorage.BeginWrite()
   at avt.SearchBoost.Core.Indexing.SearchBoostIndexer.IndexContent()
   at avt.SearchBoost.Core.Indexing.SearchBoostScheduler.DoWork()
2015-01-27 16:17:40,406 [KQZ-Web-SRV][Thread:8][ERROR] DotNetNuke.Services.FileSystem.FileEventHandlersContainer - Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.get_MefCompositionContainer()
   at DotNetNuke.ExtensionPoints.ExtensionPointManager.ComposeParts(Object[] attributeParts)
   at DotNetNuke.Services.FileSystem.FileEventHandlersContainer..ctor()
2015-01-27 16:27:34,828 [KQZ-Web-SRV][Thread:32][ERROR] DotNetNuke.Services.Scheduling.SchedulerClient - System.IO.IOException: read past EOF
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean create, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter..ctor(Directory d, Analyzer a, MaxFieldLength mfl)
   at avt.SearchBoost.Core.Indexing.LuceneStorage.BeginWrite()
   at avt.SearchBoost.Core.Indexing.SearchBoostIndexer.IndexContent()
   at avt.SearchBoost.Core.Indexing.SearchBoostScheduler.DoWork()
2015-01-27 16:27:34,828 [KQZ-Web-SRV][Thread:32][ERROR] DotNetNuke.Services.Exceptions.Exceptions - System.IO.IOException: read past EOF
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean create, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter..ctor(Directory d, Analyzer a, MaxFieldLength mfl)
   at avt.SearchBoost.Core.Indexing.LuceneStorage.BeginWrite()
   at avt.SearchBoost.Core.Indexing.SearchBoostIndexer.IndexContent()
   at avt.SearchBoost.Core.Indexing.SearchBoostScheduler.DoWork()
2015-01-27 16:27:34,828 [KQZ-Web-SRV][Thread:32][ERROR] DotNetNuke.Services.Exceptions.Exceptions - System.IO.IOException: read past EOF
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean create, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter.Init(Directory d, Analyzer a, Boolean closeDir, IndexDeletionPolicy deletionPolicy, Boolean autoCommit, Int32 maxFieldLength, IndexingChain indexingChain, IndexCommit commit)
   at Lucene.Net.Index.IndexWriter..ctor(Directory d, Analyzer a, MaxFieldLength mfl)
   at avt.SearchBoost.Core.Indexing.LuceneStorage.BeginWrite()
   at avt.SearchBoost.Core.Indexing.SearchBoostIndexer.IndexContent()
   at avt.SearchBoost.Core.Indexing.SearchBoostScheduler.DoWork()