none
SqlBulkCopy Failed RRS feed

  • Question

  • Hi folks, I'm receiving an error when running SqlBulkCopy, sometime it fails and other times it runs ok, error message below;

    System.Data.SqlClient.SqlException (0x80131904): Execution Timeout Expired. The timeout period elapsed prior to completion of the operation or the server is not responding. ---> System.ComponentModel.Win32Exception (0x80004005): The wait operation timed out at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParserStateObject.WriteSni(Boolean canAccumulate) at System.Data.SqlClient.TdsParserStateObject.WritePacket(Byte flushMode, Boolean canAccumulate) at System.Data.SqlClient.TdsParserStateObject.WriteByteArray(Byte[] b, Int32 len, Int32 offsetBuffer, Boolean canAccumulate, TaskCompletionSource`1 completion) at System.Data.SqlClient.TdsParser.WriteString(String s, Int32 length, Int32 offset, TdsParserStateObject stateObj, Boolean canAccumulate) at System.Data.SqlClient.TdsParser.WriteUnterminatedValue(Object value, MetaType type, Byte scale, Int32 actualLength, Int32 encodingByteSize, Int32 offset, TdsParserStateObject stateObj, Int32 paramSize, Boolean isDataFeed) at System.Data.SqlClient.TdsParser.WriteBulkCopyValue(Object value, SqlMetaDataPriv metadata, TdsParserStateObject stateObj, Boolean isSqlType, Boolean isDataFeed, Boolean isNull) at System.Data.SqlClient.SqlBulkCopy.ReadWriteColumnValueAsync(Int32 col) at System.Data.SqlClient.SqlBulkCopy.CopyColumnsAsync(Int32 col, TaskCompletionSource`1 source) at System.Data.SqlClient.SqlBulkCopy.CopyRowsAsync(Int32 rowsSoFar, Int32 totalRows, CancellationToken cts, TaskCompletionSource`1 source) at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsyncContinued(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source) at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsync(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source) at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalRestContinuedAsync(BulkCopySimpleResultSet internalResults, CancellationToken cts, TaskCompletionSource`1 source) at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalRestAsync(CancellationToken cts, TaskCompletionSource`1 source) at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalAsync(CancellationToken ctoken) at System.Data.SqlClient.SqlBulkCopy.WriteRowSourceToServerAsync(Int32 columnCount, CancellationToken ctoken) at System.Data.SqlClient.SqlBulkCopy.WriteToServer(DataTable table, DataRowState rowState) at System.Data.SqlClient.SqlBulkCopy.WriteToServer(DataTable table) at Tyrescanner_Import_Service.Program.InsertDataIntoSQLServerUsingSQLBulkCopy(DataTable csvFileData, String tempCSV_file_path) ClientConnectionId:d6768079-0ddd-4bf6-95a9-ce155d852d00 Error Number:-2,State:0,Class:11

    • Moved by Tom Phillips Monday, June 24, 2019 1:24 PM .Net code issue
    Monday, June 24, 2019 1:08 PM

Answers

  • The default SqlBulkCopy timeout is 30 seconds. Set SqlBulkCopy.BulkCopyTimeout to zero if you don't want the operation to timeout at all. A long-running bulk copy may be due to a large batch size or due to blocking.

    Dan Guzman, Data Platform MVP, http://www.dbdelta.com

    • Marked as answer by brucey54 Monday, June 24, 2019 2:36 PM
    Monday, June 24, 2019 1:22 PM
    Moderator

All replies