Table of Contents
SQL Server Error: 1222
Severity: 16
Event Logged or not: No
Description:
Lock request time out period exceeded.
Severity 16 Description:
Indicates general errors that can be corrected by the user.
The error occurs as a result of a longer query running wait time than lock timeout settings. The lock timeout indicates the time spent waiting for a backend resource to be available.
Identifying SQL Server Error Log File used by SQL Server Database Engine can be done by reading SQL Server Error Logs. DBA can execute the XP_READERRORLOG extended stored procedure to read the SQL Server Error Log and search for its location used by the instance of SQL Server.
USE master
Go
xp_readerrorlog 0, 1, N'Logging SQL Server messages in file', NULL, NULL, N'asc'
Go
The Error 1222 is caused by a transaction holding a lock on the target resource for a longer time than the query can wait.
The error message might appear in a variety of circumstances.
Example 1: A transaction with a BEGIN TRAN but no ROLLBACK or COMMIT is executing. It’s possible that the transaction is locking the system tables.
Identifying the active transaction data is the quickest way to solve the problem.
To find out more about an active transaction, run the following command in SQL Server Management Studio
When viewing trees, tables, or methods in object explorer in Microsoft SQL Server Management Studio, you get an error. When a query waits longer than the lock timeout settings, this error occurs. The lock timeout is measured in milliseconds and indicates how long it will take for a backend resource to become available (the default lock timeout is -1). After waiting for more than 10ms, a query usually fails with the lock request time out period error.
Check for any sessions that are currently established in the database with blocking, excessive CPU utilization, high I/O usage, or multiple entries for the same SPID using sp who2. Your lock time outs will be caused by them, and you will need to troubleshoot them.
Different Ways to Open up Activity Monitor in SQL Server 2008 are mentioned below:
Open up Activity Monitor Using Object Explorer
In Object Explorer, right click the SQL Server 2008 Instance and click on Activity Monitor.
Also can be opened from SQL Server 2008 Management Studio’s toolbar, by clicking Activity Monitor
It shows the graphical display of Processor Time (%), Number of Waiting Tasks, Database I/O (MB/Sec) and the Number of Batch Requests/second.
For information on SQL Server Activity monitor go to https://sqlserver-dba.co.uk/sql-server-administration-basics/activity-monitor
Or using SQL Query analyzer window to run sp_who2 command which is less resource intensive and gives same information as activity monitor.
SQL Server Error: 1222
Severity: 16
Event Logged or not: No
Description:
Lock request time out period exceeded.
Check for active transactions by using activity monitor or sp_who2 or dbcc opentran()
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