SQL Server error on update command - A severe error occurred on the current command

Question

Running the following query in SQL Server Management Studio gives the error below   update table name set is active   0 where id    3      A severe error occurred on the current command   The results  if any  should be discarded     The logs have been truncated there is an update trigger but this isnt the issue the transaction count is zero     trancount    I have tried the same update statement on a couple of other tables in the database and they  work fine   DBCC CHECKTABLE  table name      gives  DBCC results for  table name   There are 13 rows in 1 pages for object  table name   DBCC execution completed  If DBCC printed error messages  contact your system administrator

User · Answer

There are 3 possibilities on the MS KB

When I see stuff like this: I always think hotfix, engine, server errors etc.

4 results: search for ""Msg 0, Level 11,State 0, Line 0" A severe error occurred on the current command"

Edit: It's on MS Connect too

User · Answer

I was having the error in Hangfire where I did not have access to the internal workings of the library or was I able to trace what the primary cause was  Building on  Remus Rusanu answer  I was able to have this fixed with the following script      --first set the database to single user mode     ALTER DATABASE TransXSmartClientJob     SET SINGLE USER     WITH ROLLBACK IMMEDIATE      GO      -- Then try to repair     DBCC CHECKDB TransXSmartClientJob  REPAIR REBUILD       -- when done  set the database back to multiple user mode     ALTER DATABASE TransXSmartClientJob     SET MULTI USER      GO

User · Answer

I just had the same error  and it was down to a corrupted index   Re-indexing the table fixed the problem

User · Answer

Run DBCC CHECKTABLE  table name     Check the LOG folder where the isntance is installed   Program Files Microsoft SQL Server MSSQL 1 MSSQL LOG usually  for any file named  SQLDUMP

User · Answer

In my case  I was using System Threading CancellationTokenSource to cancel a SqlCommand but not handling the exception with catch  SqlException

User · Answer

A different scenario but the same error  I got this error when I was trying to insert records into a temporary table using a stored procedure  It turned out there was a parameter mismatch  I was trying to insert a BIGINT into an INT    Credit goes to Vicky Harp  http   vickyharp com 2012 03 troubleshooting-a-severe-error-occurred-on-the-current-command

User · Answer

This seems to happen when there s a generic problem with your data source that it isn t handling   In my case I had inserted a bunch of data  the indexes had become corrupt on the table  they needed rebuilding  I found a script to rebuild them all  seemed to fix it  To find the error I ran the same query on the database - one that had worked 100  times previously

User · Answer

In my case it was something else     operator caused this  I had to replace    X with field   field   X to overcome this  I assume this is a bug though I wasn t able to find any related KB on Microsoft sites  I am using SQL Server 2008 R2 10 50 1600

User · Answer

In my case I was using SubQuery and had a same problem  I realized that the problem is from memory leakage    Restarting MSSQL service cause to flush tempDb resource and free huge amount of memory  so this was solve the problem

User · Answer

One other possible solution we just found after having this issue across multiple databases tables on the same server  Is the max connections open to the sql server  We had an app that wasn t closing it s SQL connection and was leaving them open so we were running around 28K-31K connections  SQL Sever has a max out at 32K ish   and we noticed that once we killed a few thousand sleeping connections it took care of the error listed on this question  The fix was to update the apps to make sure they closed their connections instead of leaving them open

User · Answer

in my case  the method  context Database CreateIfNotExists    called up multiple times before create database and crashed an error A severe error occurred on the current command  The results  if any  should be discarded

User · Answer

This error is exactly what it means  Something bad happened  that would not normally happen   In my most recent case  the REAL error was   Msg 9002  Level 17  State 2  Procedure MyProcedure  Line 2  Batch Start Line 3  The transaction log for database  MyDb  is full due to  LOG BACKUP     Here is my checklist of things to try  perhaps in this exact order    Check if you re out of disk space  this was my real problem  our NOC did not catch this  Check if you re low on memory Check if the Windows Event Log shows any serious system failures like hard drives failing Check if you have any unsafe code loaded through extended procedures or SQLCLR unsafe assemblies that could de-stabilize the SQLServer exe process  Run CheckDB to see if your database has any corruption issues   On a very large database  if this stored procedure only touches a sub-set of tables  you can save time by seeing which partitions  filegroups  the stored procedure touches  and only checking those specific filegroups    I would do this for your database and master db as well

[sql-server] SQL Server error on update command - "A severe error occurred on the current command"

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