Dead Locks - Regarding

Jul 31, 2002

Sir,

This is top urgent Sir !

There are 2 tables for transaction. The header and tail tables. How do I insert records. if one is updated & another is not ? the sequence for tracking the records will fail. How do I deadlock the table for insert especially when I use stored procedures for 'Inserts'.

Sundar Raman S K

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Dead Locks

Apr 23, 2008

Hi

could anyone pls tell me how to avoid deadlocks during as iam stuck up with this problem during large no of hits to server.



Iam a slow walker but i never walk back

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DEAD LOCKS

Dec 12, 2007

I have a Orders table, this has a Primary key on one Column
( OrderID )

We are using a Stored Proc to insert data into this table ( I am not
starting the Transaction in the stored Proc ) as its controlled by the front end written in C++.

when ever there is a update on this Orders table I move the record to the ordershistory table. ( I have a trigger in the CTOrders table
on INSERT and UPDATE )

The C++ App does an Async I/O. Offlate the App is experiencing a few dead locks during the day espicially at the market open and Close as this database is for the Trading System.

I need a few pointers as to start debugging this.

Thx

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SQL Server 2008 :: Row Locks Not Escalating To Table Locks After 5000

Jul 16, 2015

I've got an INSERT that's selecting data from a linked server and attempting to push 10 million rows into the blank table. More or less, it looks like this:

insert into ReceivingTable (
Field1, Field2, Field3, Field4
, Field5, Field6, Field7, Field8
, Field9, Field10, Field11, Field12
, Field13, Field14, Field15

[code]...

The instance of the SQL Server Database Engine cannot obtain a LOCK resource at this time. Rerun your statement when there are fewer active users. Ask the database administrator to check the lock and memory configuration for this instance, or to check for long-running transactions. There are no other active users. I ran it again and monitored the following DMO to watch the growth of locks for that spid:

SELECT request_session_id, COUNT (*) num_locks
-- select *
FROM sys.dm_tran_locks
--where request_session_id = 77
GROUP BY request_session_id
ORDER BY count (*) DESC

The number of locks started small and held for a while around 4-7 locks, but at about 5 minutes in the number of locks held by that spid grew dramatically to more than 8 million before finally erroring again with the same message. Researching, I can't figure out why it's not escalating from row locks to table locks at the appropriate threshold. The threshold in was set to 0 at first (Server Properties > Advanced > Parallelism > Locks). I set it to 5000, and it still didn't seem to work. Rewriting the INSERT to include a WITH (TABLOCK) allows it to finish successfully in testing. My problem is that it's coming out of an ETL with source code that I can't edit. I need to figure out how to force it to escalate to locking the entire table via table or server level settings.

A colleague suggested that installing service packs may take care of it (the client is running SQL Server 2008 R2 (RTM)), but I haven't found anything online to support that theory.

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Aug 5, 2015

We are migrating our database(s) from ORACLE to SQL. In Oracle we were able to issue a SELECT statement and see all of the locks (Blocking and Non-Blocking) currently in the system.  The query also included the Process ID of the process we needed to kill in order to get rid of the lock.

We now need to create the same type of query for Microsoft SQL Server 2012. I have seen postings on different sites saying that this info can be obtained using SP_WHO2 or using the SQL Server Management Studio Activity Monitor's PROCESSES tab, but we are looking for a SELECT statement that will give us similar information.

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Dead Log

May 12, 2006

:cool:
what should i do . if my database having deadlock?
anyone?
thanks

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Dead Lock

Jun 18, 2004

Hello !!!

I have 2 transactions, the first one has MANY updates to the table A and it finishes with a commit or rollback (ONLY AT THE END), the second one has only one insert into the table A that finishes with a commit or rollback, the problem is that the update process takes a long time to finish, and the insert process could be thrown during the first process, there's where I get everything locked cause the table A is locked and my java aplication gets stuck.

Note: When I execute each transaction independient I have no problems.

Is there any possibility to lock table A completly for the first transaction and release It for second one ??

Could you give me any suggestion of what to do step by step ?

Thanks !!!

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Bring Out Your Dead!

Mar 14, 2006

It's been pretty quiet on here recently - no-one experiencing any corruption problems we haven't already given guidance on? Cool...

Paul Randal
Lead Program Manager, Microsoft SQL Server Storage Engine + SQL Express
(Legalese: This posting is provided "AS IS" with no warranties, and confers no rights.)

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Dead Lock

Jan 18, 2008

Trying to get SQL 2005 to report dead locks via email.

I performed the following
Execute Sp_configure ‘blocked process threshold’, 200

Then generated a deadlock
BEGIN TRAN

UPDATE CUSTOMER
SET CUSTOMER_NAME = 'F'
WHERE CUSTOMER_ID = '1'


WAITFOR TIME '17:52'

ROLLBACK TRAN

Then on another query ran this
SELECT CUSTOMER_NAME FROM CUSTOMER

In sp_who i see it blocked. and the select is waiting for the update.


But i do not get anything reported in logs for the dead lock.

I tried to set up an alert.
MSSQL$ASRCFHSQL2005:Locks
Number of Deadlocks/sec
Total
rises above 1


When doing the reconfigure is something supposed to be written to the logs..........

Trying to set up system so if any dead locks arise i am sent an email

Thanks

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Dead In The Water

Mar 18, 2008



I have a SQL Server 2005 system that has been running for about 2 years. This morning nothing will connect. SQL Server Agent will not start. It gives me the message


"The request failed or the Service did not respond in a timely manner. Consult the event log or other applicable error logs."

The error log only states the SQL Server Agent cannot connect to server CANSPEC-TMMCSQLDEV and it is shutting down.

When i try to logon to SQL Server using Management Studio i get the following message:


"A connection was successfully established with the server, but then an error occured during the pre-logon handshake. Provider: Shared Memory Provider, error: 0 - No process is on the other end of the pipe. Microsoft SQL Server Error : 233"

The help for this error states that it could be caused by the fact that SQL Server does not allow remote connections. I have remote connections turned on.

Any ideas??

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SQL-CLR - Is It A Dead Subject?

Feb 15, 2008

Microsoft products that are doing well tend to have very strong communities around them, and I am starting to get a bit disappointed with SQL-CLR. This forum seems fairly light, the links int he FAQ are broken, and the official SQL-CLR blog has no update since 2006..

Taking all of that into account I am forced to wonder, Is this a dead subject?

I am not trying to say that the people in this forum are doing something wrong, nor am i claiming that no one uses SQL-CLR (i am a user, thats why im here). But I did want to get the opinion of the group here of where they think this concept stands.

I think SQL-CLR can really be a good tool in the chest for various scenarios. I am for one using it to have a generic SQL-CLR Stored Procedure that can analyze small sets of data and move it into various buckets depending on validation rules built into the code. So far its working very well, but I admit it has not yet hit production so only time will tell. (Performance is always a concern of mine)

Regards,

Dmitry.
http://blog.lyalin.com

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Dead Lock

Mar 7, 2008

Hi There,
I was updating a Custome Error Log table in different Data Flow Task in a Package. Custom log table is being used to log the Redirect Rows which sent by a component if it has errors. So I am catching the error raised by componets and putting them all into one table. I thing this could be the cause for the following error. I am not sure Please help me out. What could be the cause of this error and how to prevent it?

SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft OLE DB Provider for SQL Server" Hresult: 0x80004005 Description: "Transaction (Process ID 71) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.".

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DB PROCESS IS DEAD

Jan 16, 2007

Dear Friends,

Please help me in below unexpected error.

Server Details:

HP Proliant DL385 G1, 142*6 GB
AMD Opteron „¢ Processor 280, 2.40 GHz
4.00 GB RAM, DVD ROM
Win2K3 R2, SP1 64bit

SQL Server Details:

SQL Server 2000 Enterprise Edition 32bit
Service Pack4

Network Details:

Clients can access the server by Terminal Server and also by Direct Connectivity.
The connectivity is provided by RF network Provider.

Application Details:

Application was designed by Power Builder 6.5.

Error Details:
If I divide my clients connectivity to the server then it is divided into 3 types

TYPE A >> Users inside my LAN using a DNS server they give the server name in their Parameter file to connect to the Database Server.

TYPE B >> Users who are in WAN connect to the server by Terminal Servers for Data Input.
Terminal Servers are inside my LAN.

TYPE C >> Users who are in WAN connect to the Server by Direct Connection for Reports and Print Out they give the IP address of the Database server directly in their Parameter files.

After every 6 to 7 days the ERROR DB Processes Dead comes to the TYPE C.
The error Numbers are 100025 and 100005.

At the same time TYPE A AND TYPE B are not getting any errors.

For further diagnosis I have taken a client machine to Net Meeting and taken his desktop in control. I have connected the client machine to the database server by ISQL in command prompt.

From Backend I can see that the SQL server has allocated a SPID to the client machine. After I have executed

1>SELECT * FROM SYSDATABASES
2>GO

It will return me all data but it will not show me how many rows selected or EOF.

After some time it will give me the prompt (3>) but without EOF and after that if I give another query then it will give the below error

DB-Library: Attempt to initiate a new SQL Server Operation with results pending.

DB-Library: Unexpected EOF from SQL Server. General Network Error. Check Your Documentation.
Net-Library error 10054: ConnectionCheckForData (CheckForData())
DB-Library: DBPROCESSES is dead or not enabled.
DB-Library: DBPROCESSES is dead or not enabled.
DB-Library: DBPROCESSES is dead or not enabled.
DB-Library: DBPROCESSES is dead or not enabled.

At the same time if I give IP address of another server then it works and TYPE A and TYPE B don€™t get any problem.

To stop this error I have to restart the server after that for again seven days it works and again the same problem.

I cant find anything I have checked tempdb, cache size but it is normal no abnormal activities.


No virus Issues.
Please advice.

Regards,
James


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Help On Dead Lock ??? :-(

Feb 4, 2008

Dear all,

I am build an application based on different WCF services which colect different type of data from an SQL database.
I can have up to 10 clients whcih could at a certain times collect the same data as a read or right operation.
I have run a test where I have only 2 clients, and I have been surprise to receive a nice error of dead lock process.

The error is as follow :

Transaction (Process ID 63) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction."

In the store procedure which I am suspected, not sure yet, I have been advise to use the

SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
but no help

According to what I could notice in my application, I have one process which insert rows in this table, while clients read the same table..but I guess dead lock need to investigate in a more better way and handle it anyway...

I am not a databse administrator so I have no idea how to handle such situation.

Thnaks for your help
regards
serge

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Dead Lock Occure

Jan 12, 2008

 Please help me to remove deadlock. Server Error in '/' Application.

Transaction
(Process ID 69) was deadlocked on lock resources with another process
and has been chosen as the deadlock victim. Rerun the transaction.



Description: An
unhandled exception occurred during the execution of the current web
request. Please review the stack trace for more information about the
error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException:
Transaction (Process ID 69) was deadlocked on lock resources with
another process and has been chosen as the deadlock victim. Rerun the
transaction.

Source Error:




Line 292: da.SelectCommand.Parameters.Add(HierCode3)Line 293: Dim ds As New DataSetLine 294: da.Fill(ds, "Employees")Line 295: Con.Close()Line 296: Dim dt As DataTable = ds.Tables("Employees")







Source File: C:InetpubwwwrootDTRVersion2.0Home.aspx.vb    Line: 294


Stack Trace:




[SqlException (0x80131904): Transaction (Process ID 69) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.] System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +857466 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +735078 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188 System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +1838 System.Data.SqlClient.SqlDataReader.HasMoreRows() +150 System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout) +214 System.Data.SqlClient.SqlDataReader.Read() +9 System.Data.Common.DataAdapter.FillLoadDataRow(SchemaMapping mapping) +156 System.Data.Common.DataAdapter.FillFromReader(DataSet dataset, DataTable datatable, String srcTable, DataReaderContainer dataReader, Int32 startRecord, Int32 maxRecords, DataColumn parentChapterColumn, Object parentChapterValue) +153 System.Data.Common.DataAdapter.Fill(DataSet dataSet, String srcTable, IDataReader dataReader, Int32 startRecord, Int32 maxRecords) +172 System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +175 System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +137 System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) +83 _Default.LoadfromDB() in C:InetpubwwwrootDTRVersion2.0Home.aspx.vb:294 _Default.getData() in C:InetpubwwwrootDTRVersion2.0Home.aspx.vb:143 _Default.Page_Load(Object sender, EventArgs e) in C:InetpubwwwrootDTRVersion2.0Home.aspx.vb:30 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +47 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061









Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42

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Jun 14, 2000

HI,
i am updating one table, this transaction and another transaction
causing the Dead lock.
How i have to resolve a Dead lock issue.

--venu

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Feb 16, 1999

hi, I ran a query on a test database and got this error , does anyone tell me whatdoes it mean and how can I fix it

thanks
Ali
This command did not return data, and it did not return any rows

DB-Library Process Dead - Connection Brokenh

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Jun 19, 2006

I'm having a transactional replication which replicates data every 1min.... and i got a job which runs every 15mins and pulls the reports from source db which is being replicated.

Some times when the replication is pushing the data the same time the job is trying to generate reports and as the table is being locked at the time of replication the dead lock issue is rinsing and the job is getting failed.

Please some one help me in solving this issue.

Thanks

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Aug 18, 1998

Hello,

Can anyone help me how to solve this problem ?
I had message "DBPROCESS is dead or not enabled" from my Server SQL v.4.2.1b.

I hope anyone want to help me.

Regards,

Susan

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Nov 6, 1998

Hi All,

Would really like insights in determining how to fix the following problem.
( i did search the archives -- got nothing)

When I try to run query against the SQL server i get following message; Process 13 error "DB -library process dead", terminating connection.

Thanks a lot

Prasad

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May 28, 2008

We are running application on Ms SQL Server connecting to PowerBuilder 7.0.3, using MSS Microsoft SQL Server 6.X driver.
We have recently migrated the SQL Server from 2000 to 2005 SP2, in which databases are still at compatability level 80.
The application runs perfectly for one week, but later we received some occassional reports from users that database connection breaks after a

certain idle period. Below are the errors, usually error 1 appears before error 2.

Error 1
A database error has occured.
Database error code: 10025
Database error message:
Select error: Possible network error: Write to SQL Server Failed. General network error. Check your documentation.

Error 2
A database error has occured.
Database error code: 10005
Database error message:
Select error: DBPROCESS is dead or not enabled.

We couldn't find any related errors in the SQL Server log. Does anyone has the idea of what's wrong or how to trace the connection brokerage?

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Dec 7, 2007



I set up a table, job and alert as described in this article on msdn:
http://msdn2.microsoft.com/en-us/library/ms186385.aspx

The alert is working fine but the job is failing with the following info:
Message
Unable to start execution of step 1 (reason: Variable WMI(TextData) not found). The step failed.

The info does seem to be posted in the log which is not where I wanted it. Anyone have any ideas what I have not got set up correctly? I have the trace on and works since the info goes to the log, but I would like it in the database not in the log.

Any help would be appreciated.
Thanks

Linda Leslie
Academic Information Technology & Libraries
University of Cincinnati

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Dec 11, 2007

hi,

i am having an exe application which runs every half an hour which will do some database operations, at the same time the web application will also uses the same DB when users acces the web application. at this time i am getting Dead Lock Exception as below, to avoid this what should i do. please guide me.


System.Data.SqlClient.SqlException: Transaction (Process ID 88) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlDataReader.HasMoreRows()
at System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout)
at System.Data.SqlClient.SqlDataReader.Read()
at System.Data.Common.DataAdapter.FillLoadDataRow(SchemaMapping mapping)
at System.Data.Common.DataAdapter.FillFromReader(DataSet dataset, DataTable datatable, String srcTable, DataReaderContainer dataReader, Int32 startRecord, Int32 maxRecords, DataColumn parentChapterColumn, Object parentChapterValue)
at System.Data.Common.DataAdapter.Fill(DataTable[] dataTables, IDataReader dataReader, Int32 startRecord, Int32 maxRecords)
at System.Data.Common.LoadAdapter.FillFromReader(DataTable[] dataTables, IDataReader dataReader, Int32 startRecord, Int32 maxRecords)
at System.Data.DataTable.Load(IDataReader reader, LoadOption loadOption, FillErrorEventHandler errorHandler)
at System.Data.DataTable.Load(IDataReader reader)
at B.DAL.LRQ.Select(String sLoanID)
at QN.Program.QNo()

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Sep 8, 2005

Any help is sincerely appreciated:I have data in a table that represents the following:Admin Visit Type            Registration Date         Discharge Date D                                    20050301                  20050301D                                    20050301                  20050301W                                   20050301                  20050301E                                    20050301                  20050301D                                    20050301                  20050302W                                   20050301                 20050303W                                   20050301                 20050311D                                    20050301                 20050301Patient Type is always and I for the records I want but there are also Patient Types = O which I don't care about..What I would like to do is accoumlate a counter on the number of Registrations per date as well as Discharges per date.There can be thousands of registrations per day as well as thousands of discharges per day.  So lets say I want to pass a date parameter to accumulate the total registrations and discharges per day.  I have beat my head against the desk for the last two days because I believe this is a simple query but I just cannot get the results I want  - so any help is greatly appreciated.   I have written the following sql but I do not get a sum of the total registrations and discharges and EXPR3 and Expr4 always equal each other which is not the case .  For example on 20040301 I have 88 registrations and 17 discharges but I can't ever get the correct totals...I wrote the following in Query Analyzer - but it does not work and I have went around in circles and have tried so many things I am just frustrated.........Declare @Parm_Beg_Date as nvarchar(8)Set @Parm_Beg_Date = 20040313
SELECT
Patient_Visit_Result_Master.PVR_Admin_Visit_Type,Patient_Visit_Result_Master.PVR_Patient_Type, Patient_Visit_Result_Master.PVR_Registration_Date,Patient_Visit_Result_Master.PVR_Discharge_Date, Count(Distinct(Patient_Visit_Result_Master.PVR_Registration_Date)) as Expr3,Count(Distinct(Patient_Visit_Result_Master.PVR_Discharge_Date)) as Expr4
FROM         Patient_Visit_Result_Master INNER JOINPatient_Visit_Result_Master Patient_Visit_Result_Master_1 ON Patient_Visit_Result_Master.PVR_Hospital_ID = Patient_Visit_Result_Master_1.PVR_Hospital_ID  AND @Parm_Beg_Date = Cast(Patient_Visit_Result_Master_1.PVR_Registration_Date as nvarchar(8))or@Parm_Beg_Date = Cast(Patient_Visit_Result_Master_1.PVR_Discharge_Date as nvarchar(8))
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Jan 24, 2002

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IN

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Greetings
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No problem, I'll backup, remove standard, and install enterprise.

Removed standard via control panel.

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Uninstalled via control panel.

Deleted the SQL Server directory from Program Files
Deleted all the files in WindowsTemp
Deleted every registry key with the words MicrosoftSQLServer in it.

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I am running a SELECT query in SQL Server 6.5 and continue to get the following message (error?):

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DB-Library Process Dead - Connection Broken

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I'm a web/DB developer, but not much of a DBA. Has anyone run into this problem and know what may be causing it? Please let me know if you need to see the code of the query and/or the view. (Will replies be emailed to me automatically? If not, please email to tmenier@ontrack.com.)

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Using Server 6.5 ISQL. This occurrs after running a 5 to 10 processes ???

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