How to solve SQL Server Error 1222 i.e Unlock a SQL Server table

sql-server database sql-server-2008-r2 locking deadlock
user960340 picture user960340 · Nov 24, 2011 · Viewed 241.8k times · Source

I am working in a database where I load data in a raw table by a data loader. But today the data loader got stuck for unknown reasons. Then I stopped the data loader from windows task manager. But then I again tried to load data in the raw table but found its locked and I can't do any operation on it. I tried restarting SQL Server service but it was not resolved. And I have no permission to kill processes on this server.

Below is the message showed by SQL Server.

An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)

Program Location:

at Microsoft.SqlServer.Management.Common.ServerConnection.ExecuteNonQuery(String sqlCommand, ExecutionTypes executionType)
at Microsoft.SqlServer.Management.Common.ServerConnection.ExecuteNonQuery(StringCollection sqlCommands, ExecutionTypes executionType)
at Microsoft.SqlServer.Management.Smo.ExecutionManager.ExecuteNonQuery(StringCollection queries)
at Microsoft.SqlServer.Management.Smo.SqlSmoObject.ExecuteNonQuery(StringCollection queries, Boolean includeDbContext)
at Microsoft.SqlServer.Management.Smo.NamedSmoObject.RenameImplWorker(String newName)
at Microsoft.SqlServer.Management.Smo.NamedSmoObject.RenameImpl(String newName)

===================================

Lock request time out period exceeded. Either the parameter @objname is ambiguous or the claimed @objtype (OBJECT) is wrong. (.Net SqlClient Data Provider)

Server Name: 162.44.25.59 Error Number: 1222
Severity: 16 State: 56
Procedure: sp_rename Line Number: 282

My SQL Server version is 2008 R2.

Answer

AbdulRahman Ansari picture AbdulRahman Ansari · Feb 28, 2014

In the SQL Server Management Studio, to find out details of the active transaction, execute following command

DBCC opentran()

You will get the detail of the active transaction, then from the SPID of the active transaction, get the detail about the SPID using following commands

exec sp_who2 <SPID>
exec sp_lock <SPID>

For example, if SPID is 69 then execute the command as

exec sp_who2 69
exec sp_lock 69

Now , you can kill that process using the following command

KILL 69

I hope this helps :)

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