Article ID: 303727 - View products that this article applies to.
This article was previously published under Q303727
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BUG #: 57274 (SQLBUG_70)
Cancelling a query that is executing as a parallel query may abort the transaction. No error is returned, until a subsequent attempt to commit or rollback the transaction at which time the following error message occurs:
If you encounter this bug, querying @@TRANCOUNT immediately after the query is aborted returns a value of zero, indicating that no transaction is active.
Server: Msg 3903, Level 16, State 1, Line 1
The COMMIT TRANSACTION request has no corresponding BEGIN TRANSACTION.
To resolve this problem, obtain the latest service pack for Microsoft SQL Server 7.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
301511NOTE: The following hotfix was created prior to Microsoft SQL Server 7.0 Service Pack 4.
(http://support.microsoft.com/kb/301511/EN-US/ )INF: How to Obtain the Latest SQL Server 7.0 Service Pack
The English version of this fix should have the following file attributes or later:
NOTE: Because of file dependencies, the most recent hotfix or feature that contains the preceding files may also contain additional files.
Version File name Platform ----------------------------------- 7.00.1003 s701003i.exe x86
Disable parallel queries by:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft SQL Server 7.0 Service Pack 4.
You can determine if queries are being cancelled by using the SQL Server Profiler and looking for Attention events. An attention is sent when a query or login timeout expires, or when the client application explicitly requests that the query be cancelled by using an API such as dbcancel() or SQLCancel().
To determine if a query was running in parallel, monitor the SELECT event. The Event Sub Class column contains the degree of parallelism for the query.
REFERENCESFor more information, refer to the "SQL Operators Event Category" topic in SQL Server Profiler Help.
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