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Lucene.Net Index out of range exception

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Dave Madison

New Around Here



Posts:13
New Around Here




10/25/2019 10:37 AM

    We have DNN 9.11 instance running and it crashing the app-pool and then eventually IIS.  At each crash, there is an entry in the event log that says Lucene.Net System.IndexOutOfRangeException.  I'm struggling to figure out what is causeing it.  Any insight will be much appreciated!!

    DNN Error Log:

    THREAD ID:10

    TYPE:DotNetNuke.Services.Search.SearchEngineScheduler, DOTNETNUKE

    EXCEPTION:Index was outside the bounds of the array.

    RESCHEDULED FOR:10/25/2019 11:12:53 AM

    SOURCE:STARTED_FROM_TIMER

    ACTIVE THREADS:0

    FREE THREADS:1

    READER TIMEOUTS:0

    WRITER TIMEOUTS:0

    IN PROGRESS:0

    IN QUEUE:9

    Server Name: 

     

     

    Windows Application Event Log:

    Application: w3wp.exe
    Framework Version: v4.0.30319
    Description: The process was terminated due to an unhandled exception.
    Exception Info: System.IndexOutOfRangeException
       at Lucene.Net.Index.IndexWriter.HandleMergeException(System.Exception, OneMerge)
       at Lucene.Net.Index.IndexWriter.Merge(OneMerge)
       at Lucene.Net.Index.ConcurrentMergeScheduler+MergeThread.Run()
    　
    Exception Info: Lucene.Net.Index.MergePolicy+MergeException
       at Lucene.Net.Index.ConcurrentMergeScheduler.HandleMergeException(System.Exception)
       at Lucene.Net.Index.ConcurrentMergeScheduler+MergeThread.Run()
       at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
       at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
       at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
       at System.Threading.ThreadHelper.ThreadStart()
     
    An unhandled exception occurred and the process was terminated.
    Application ID: /LM/W3SVC/3/ROOT
    Process ID: 5672
    Exception: Lucene.Net.Index.MergePolicy+MergeException
    Message: Exception of type 'Lucene.Net.Index.MergePolicy+MergeException' was thrown.
    StackTrace:    at Lucene.Net.Index.ConcurrentMergeScheduler.HandleMergeException(Exception exc)
       at Lucene.Net.Index.ConcurrentMergeScheduler.MergeThread.Run()
       at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()
    InnerException: System.IndexOutOfRangeException
    Message: Index was outside the bounds of the array.
    　
    StackTrace:    at Lucene.Net.Index.IndexWriter.HandleMergeException(Exception t, OneMerge merge)
       at Lucene.Net.Index.IndexWriter.Merge(OneMerge merge)

     

     

     

    BTW: I've tried to upgrade this instance to 9.4, but that fails with many SQL errors.  

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