SqlBulkCopy unusual TimeOut Error

sqlbulkcopy timeoutexception

Question

I have a SqlBulkCopy operation that is taking data from an MS-Access 2007 database (via OleDbConnection) and using SqlBulkCopy to transfer that data to a SQL Server database. This has previously been working and continues to work for one MS-Access database, but not the other.

I get the error message:

Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.

It is hard to believe it is a timeout ast the oledbCommand.CommandTimeout = 0 the sqlBulkCopy.BulkCopyTimeout = 0 and on either side (MS-Access and SQL Server the timeouts have now been set to 0).

Are there other issues/exceptions that the above error message could be hiding? Is there a way to determine what the base cause of a sqlBulkCopy.WriteToServer exception is (there doesn't appear to be any inner exceptions etc...)

1
0
6/26/2012 2:22:28 AM

Popular Answer

So the issue was that there were dates being transfered and some of those dates were invalid for SQL, but valid in Access. For whatever reason this was presenting as a Timeout rather than "invalid date/time" - though if you reduce the data being transfered to a handful of rows (200) rather than the full transfer (500,000) it reports as invalid date/time ... curious.

1
6/26/2012 3:11:04 AM


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