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Microsoft OLE DB Provider for SQL Server error '80040e31'  Timeout expired (Unrelated to Connection or ASP script Timeout Properties)

Posted on 2003-12-03
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Last Modified: 2011-09-20
Currently facing a very strange problem. What ever i do to the database or the record, the sql server always timeout at a particular point. if i change the content of the particular record, the problem still arise. Not sure what is the problem. May it be related to database? is the data corrupted? currently my suspicions is this. Need desperate help. But for your info my script does a batch update on all the records, so it opens quite a lot of connection. Didnt want to convert the whole thing to stored procedure because of the logic complexity. Have turned part of logic into stored procedure, but results still timeout at the same place. Need help. URGENT
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Question by:alcatraz_437
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LVL 8

Expert Comment

by:Dishan Fernando
ID: 9865916
When the timeout occers , whats the error it apper?? on web page. If the Query take long time to execute, you must increase to db timeout time in iis or what ever.
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Author Comment

by:alcatraz_437
ID: 9865968
dishanf
   As i have stated in the question, that this has nothing to do with sql server time out or the iis timeout, cause it hits at a particular part of the database only. Have tried increasing connection timeout and iis timeout both have failed.. ! :)
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Expert Comment

by:Dishan Fernando
ID: 9866001
Sorry . I dont know asp much... leave it to other experts
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LVL 18

Expert Comment

by:ShogunWade
ID: 9866301
you say it times out at a particular point.... can you tell us what it is actually attempting to do at that particular point, otherwise we are a bit in the dark here.
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Author Comment

by:alcatraz_437
ID: 9866317
it times out at a normal update command. There is no problem with this update command, since it is already executed a few thousand times before it was executed at the particular point. On top of that, i have tried running the sql update command in the query analyser and it works just fine.
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Assisted Solution

by:ShogunWade
ShogunWade earned 600 total points
ID: 9866431
Is there an open transaction on the table causing an indefinate lock ?
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LVL 34

Accepted Solution

by:
arbert earned 900 total points
ID: 9872512
Agree with ShogunWade--when you receive the error, run SP_WHO in query analyzer and see if there is any blocking.  Sounds like one or your previous transactions is blocking....
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Author Comment

by:alcatraz_437
ID: 9873192
Thanx, found out that while doing a select statement on a table, i update on the same table simultaneously, so there is a point where the select statement locks a record the update statement wishes to update. So to rectify this, place the results that need to be updated at a temp table, then once the select statement is finish, run thru the temp table to update the necessary records.

Thanx a million.
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LVL 34

Expert Comment

by:arbert
ID: 9874538
You can also add the WITH (NOLOCK) after the table name on your select statement to not take a lock.  There IS the possibility you will read dirty data, but it's and option....
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Author Comment

by:alcatraz_437
ID: 9881739
Thanx a lot arbert!!
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