[Firebird-net-provider] [FB-Tracker] Created: (DNET-684) System.NullReferenceException in FirebirdSql.Data.Common.Extensions.TryGetTarget

[André Z. (J. <tr...@fi...>]

System.NullReferenceException in FirebirdSql.Data.Common.Extensions.TryGetTarget
--------------------------------------------------------------------------------

                 Key: DNET-684
                 URL: http://tracker.firebirdsql.org/browse/DNET-684
             Project: .NET Data provider
          Issue Type: Bug
          Components: ADO.NET Provider
    Affects Versions: 5.0.5.0
         Environment: Windows 8 (x64), .Net 4.5.2
            Reporter: André Ziegler
            Assignee: Jiri Cincura


While testing my app I got a crash and analyzing the dmp shows a System.NullReferenceException in FirebirdSql.Data.Common.Extensions.TryGetTarget:


PROBLEM_CLASSES: 

CLR_EXCEPTION
    Tid    [0x2]
    Frame  [0x00]

    String [System.NullReferenceException]
    Failure Bucketing
    Data Bucketing

FINALIZER
    Tid    [0x2348]
    Frame  [0x0b]: clr!FastCallFinalize
    Failure Bucketing


BUGCHECK_STR:  CLR_EXCEPTION_FINALIZER_System.NullReferenceException

DEFAULT_BUCKET_ID:  CLR_EXCEPTION_FINALIZER_System.NullReferenceException

STACK_TEXT:  
049ff1bc 51f20f89 firebirdsql_data_firebirdclient_ni!FirebirdSql.Data.Common.Extensions.TryGetTarget[[System.__Canon,_mscorlib]]+0x25
049ff1d4 51f3faee firebirdsql_data_firebirdclient_ni!FirebirdSql.Data.FirebirdClient.FbConnectionInternal.RemovePreparedCommand+0x6e
049ff20c 51f41751 firebirdsql_data_firebirdclient_ni!FirebirdSql.Data.FirebirdClient.FbCommand.Release+0x4d
049ff21c 51f409fc firebirdsql_data_firebirdclient_ni!FirebirdSql.Data.FirebirdClient.FbCommand.Dispose+0x50


FAILURE_IMAGE_NAME:  FirebirdSql.Data.FirebirdClient.ni.dll

FAILURE_FUNCTION_NAME:  FirebirdSql.Data.Common.Extensions.TryGetTarget[[System.__Canon,_mscorlib]]

BUCKET_ID_FUNCTION_STR:  FirebirdSql.Data.Common.Extensions.TryGetTarget[[System.__Canon,_mscorlib]]

FAILURE_SYMBOL_NAME:  FirebirdSql.Data.FirebirdClient.ni.dll!FirebirdSql.Data.Common.Extensions.TryGetTarget[[System.__Canon,_mscorlib]]

FAILURE_BUCKET_ID:  CLR_EXCEPTION_FINALIZER_System.NullReferenceException_80004003_FirebirdSql.Data.FirebirdClient.ni.dll!FirebirdSql.Data.Common.Extensions.TryGetTarget[[System.__Canon,_mscorlib]]


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