Using TRY...CATCH With RAISERROR
Jun 1, 2006
Hi, I am trying to write a trigger in SQL 2005 and am running into a lot of issues. Here is my code
BEGIN
BEGIN TRY
DECLARE @count int
--check for timeon which is greater than timeoff
SET @count=0
SELECT @count=count(*)
FROM IVRCONFIG.dbo.C_GROUP_HOURS a WITH (NOLOCK),inserted i
WHERE a.XFER_GROUP = i.XFER_GROUP
AND a.DAY_OF_WEEK = i.DAY_OF_WEEK
AND a.TIMEON = i.TIMEON
AND a.TIMEOFF < a.TIMEON
IF @count<>0 RAISERROR (50001,16,1);
END TRY
BEGIN CATCH
RAISERROR
END CATCH
END
The error I specify is one I added to sys.messages. Can anyone tell me where I am going wrong??
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Feb 27, 2004
Hi. I am executing a stored procedure. The stored procedure raises an error and all I need is to catch this error. Pretty simple, but it only works with an ExecuteNonQuery and not with an Executereader statement. Can anybody explain to me why this happens?
Here's the sp:
CREATE PROCEDURE dbo.rel_test
AS
select 1
raiserror ('My error.', 11, 2)
return
GO
Here's the ASP.Net page:
<% @Page Language="VB" debug="True" %>
<% @Import Namespace="System.Data.SqlClient" %>
<script runat="server">
Public Function RunSP(ByVal strSP As String) As SqlDataReader
Dim o_conn as SqlConnection = New SqlConnection(ConfigurationSettings.AppSettings("connectionstring"))
AddHandler o_conn.InfoMessage, New SqlInfoMessageEventHandler(AddressOf OnInfoMessage)
o_conn.Open
Dim cmd As New SqlCommand(strSP, o_conn)
cmd.CommandType = System.Data.CommandType.StoredProcedure
Dim rdr as SqlDataReader = cmd.ExecuteReader(System.Data.CommandBehavior.CloseConnection)
rdr.Close()
cmd.Dispose()
Response.Write(o_conn.State)
End Function
Private Sub OnInfoMessage(sender as Object, args as SqlInfoMessageEventArgs)
Dim err As SqlError
For Each err In args.Errors
Response.Write(String.Format("The {0} has received a severity {1}, state {2} error number {3}" & _
"on line {4} of procedure {5} on server {6}:{7}", _
err.Source, err.Class, err.State, err.Number, err.LineNumber, _
err.Procedure, err.Server, err.Message))
Next
End Sub
Sub Page_Load(sender as Object, e as EventArgs)
RunSP("rel_test")
End Sub
</script>
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Sep 30, 2007
I guess this is a common problem because I ran into a lot of threads concerning the matter. Unfortunately, none of them helped my situation.I am throw a RAISERROR() in my sql and my vb.net try catch block is not detecting an error. SELECT '3'
RAISERROR('testerror',10,5) Dim con As New SqlConnection Dim _sqlcommand As New SqlCommand con = New SqlConnection(Spiritopedia.Web.Globals.Settings.General.ConnectionString) _sqlcommand.CommandType = Data.CommandType.StoredProcedure _sqlcommand.CommandText = "TestFunction"
_sqlcommand.Connection = con
'The value to be returned
Dim value As New Object
'Execute the command making sure the connection gets closed in the end
Try
'Open the connection of the command
_sqlcommand.Connection.Open()
'Execute the command and get the number of affected rows 'value = _sqlcommand.ExecuteScalar().ToString()
value = _sqlcommand.ExecuteScalar()
Catch ex As SqlException Throw ex Finally
'Close the connection
_sqlcommand.Connection.Close()
End Try
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May 28, 2008
Is there a reason why the following code does not raise an error in my .NET 2005 application? Basically I have a try..catch in my stored procedure. Then I have a try...catch in my .NET application that I want to display the error message.
But, when the stored proc raisses the error, the .net code doesn't raise it's error. The .NET code DOES raise an error if I remove the try..catch from the SQL proc and let it error (no error handling), but not if I catch the error and then use RAISERROR to bubble-up the error to .NET app. (I really need to catch the error in my SQL proc and rollback the transaction before I raise the error up to my .NET app...)
SQL
BEGIN TRYBEGIN TRANSACTION trnName
DO MY STUFF.... <---- Error raisedCOMMIT TRANSACTION trnName
END TRY
BEGIN CATCHROLLBACK TRANSACTION trnName
RAISERROR('There was an error',10,1)
END CATCH
ASP.NET CODE (No error raised)
Try
daAdapter.SelectCommand.ExecuteNonQuery()Catch ex As SqlException
Err.Raise(50001, "ProcName", "Error:" + ex.Message)
End Try
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Feb 5, 2008
I have a procedure that executes a sql statement passed in as a parameter. The parameter variable is
@pSqlStatement.
CREATE PROCEDURE [dbo].[ProcedureTest]
@pSqlStatement nvarchar(4000)
AS
BEGIN
DECLARE @retVal int;
BEGIN TRY
EXECUTE sp_executesql @pSqlStatement, N'@ret int OUTPUT', @retVal OUTPUT;
PRINT 'try @retVal = ' + ISNULL(CAST(@retVal AS varchar), 'null');
END TRY
BEGIN CATCH
PRINT 'catch @retVal = ' + ISNULL(CAST(@retVal AS varchar), 'null');
END CATCH;
END;
Here is an example of this procedure being called:
EXECUTE [dbo].[ProcedureTest]
@pSQLStatement = N'EXECUTE @ret = [log].[Log.SetSeverityLevel] 'debug'
Note that in the sp_executesql statement, the @ret variable from the dynamic SQL gets assigned to the local variable @retVal.
Here's the problem; when the procedure [log].[Log.SetSeverityLevel] that gets dynamically executed does a RAISERROR, the code in [dbo].[ProcedureTest] falls through to the catch block in [dbo].[ProcedureTest] as it should, but the value of @retVal is null in the catch block, when the return code in [log].[Log.SetSeverityLevel] is set to -1.
If you comment out BEGIN TRY / END TRY / BEGIN CATCH / END CATCH in [dbo].[ProcedureTest], the value of @retVal is correctly seen as -1. There's something about the TRY CATCH structure that's blowing away @retVal when an error is raised and it falls through to the CATCH block.
Anybody ever seen this before? Is there a workaround?
Thanks - Dana
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Dec 19, 2006
I would like to know if there was any semantic differences between the two following statements?
RAISERROR('Invalid argument.',11,1);
RETURN;
or simply
RAISERROR('Invalid argument.',11,1) WITH NOWAIT;
It seems that both statements interrupt the current transaction.
Does anyone has an idea on the subject?
Thanks in advance,
Joannes
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Feb 15, 2007
Hi,
I'm having trouble with a Script Component in a data flow task. I have code that does a SqlCommand.ExecuteReader() call that throws an 'Object reference not set to an instance of an object' error. Thing is, the SqlCommand.ExecuteReader() call is already inside a Try..Catch block. Essentially I have two questions regarding this error:
a) Why doesn't my Catch block catch the exception?
b) I've made sure that my SqlCommand object and the SqlConnection property that it uses are properly instantiated, and the query is correct. Any ideas on why it is throwing that exception?
Hope someone could help.
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May 15, 2007
hi all,
All of a sudden my application started crashing when trying execute dml statements on sql server mobile database (sdf file). Frustating thing is that whole application crashes without any error message. this happens for all kinds for DML statement but not all the time. Sometimes it would fail for delete statement such as delete from table; or for insert into statement
my problem catch does not catch the error. There is no way to find out teh what is causing this error
SqlCeConnection sqlcon = new SqlCeConnection("
Data Source = '\Program Files\HISSymbol\HISSymboldb.sdf';"
);
SqlCeCommand sqlcmd = new SqlCeCommand();
sqlcmd.CommandText = Insert into company('AA', 'Lower Plenty Hotel');
sqlcmd.Connection = sqlcon;
SqlCeDataReader sqldr = null;
try
{
sqlcon.Open();
//use nonquery if result is not needed
sqlcmd.ExecuteNonQuery(); // application crashes here
}
catch (Exception e)
{
base.myErrorMsg = e.ToString();
}
finally
{
if (sqlcon != null)
{
if (sqlcon.State != System.Data.ConnectionState.Closed)
sqlcon.Close();
sqlcon.Dispose();
}
}//end of finlally
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Jul 12, 2006
In my Windows application I use sqlCmd.ExecuteNonQuery() to execute the stored procedure, In case of an error in the stored procedure I need to return an exception to application, will RAISERROR in stored procedure accomplish that?
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Dec 6, 2006
Is there any log regarding RAISERROR and rollback in the SQL Server. I would like to know how many times it happened in a day.
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Sep 14, 2007
Hello,I am raising an error on my SQL 2005 procedure as follows: RAISERROR(@ErrorMessage, @ErrorSeverity, 1)How can I access it in my ASP.NET code?Thanks,Miguel
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Apr 3, 2001
When I have an raiserror. This is what I got:
Server: Msg 50000, Level 16, State 1, Line 6
No Rows Found for 1 and Rachel.
Question: How do I get rid of this line: "Server: Msg 50000, Level 16, State 1, Line 6"
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Jan 14, 2004
Is there a way to raise an exception inside a user function in the Sqlserver2000?.
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Jun 14, 2006
hi
RAISERROR is used to return message to the caller.
how to contain RAISERROR :
variable
declare @name varchar(50)
and string
'Welcome'
i want to contain the RAISERROR messege 'Welcome' + @name value in the same time
ex
Welcome Zaid
can give the code to do this
thank you
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Apr 16, 2007
hey all,
just cant figure out why my raiserror print
Wrong RoleType for customer lientID
for :- RAISERROR('Wrong RoleType for customer %ClientID', 16,1, @ClientID)
what's with missing C? is % some kind of escape char or something? (im trying to print back the parameter @clientid), or should i just use the print ''
~~~Focus on problem, not solution~~~
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Jan 2, 2008
Im working in a Oracle to SQL migration project, I need to migrate a function
which is using Raiserror()
I have a function in Oracle like this,
create function fn_name( parameters )
returns int
as begin
if ( condition )
-- do some logic
else
raiseerror()
end
I need to migrate this to SQL server 2005.
From next version we wont have Extended procedure, so its better to avoid.
Instead that we can use CLR integration.
Can anyone help me out...
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Aug 2, 2006
This statement adds a new message to the master..sys.messages table
EXEC sp_addmessage @msgnum = 60000, @severity = 16,
@msgtext = N'The item named %s already exists in %s.'
But if this error happens, how is an application supposed to access this message? (The average app shouldn't need to access to the master database to get this info.)
Barkingdog.
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Jul 12, 2006
In my Windows application I use sqlCmd.ExecuteNonQuery() to execute the stored procedure, In case of an error in the stored procedure I need to return an exception to application, will RAISERROR in stored procedure accomplish that?
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May 6, 2008
Is there any way to emulate RAISERROR from CLR UDT?
Thanks
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Jan 2, 2008
Im working in a Oracle to SQL migration project, I need to migrate a function
which is using Raiserror()
I have a function in Oracle like this,
create function fn_name( parameters )
returns int
as begin
if ( condition )
-- do some logic
else
raiseerror()
end
I need to migrate this to SQL server 2005.
From next version we wont have Extended procedure, so its better to avoid.
Instead that we can use CLR integration.
Can anyone help me out...
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Jan 3, 2007
I have used RAISERROR on some of our pages before, and it worked fine. Now I have a page that has a formview with a sqldatasource that does an insert. If the value for a certain field exists already in the table, I am trying to use RAISERROR('message', 15, 1) to have a popup error. The page does a redirect in the iteminserted event. When I try to insert with data that should cause an error, it doesn't insert into the database, but I don't see an error. The page just redirects... any ideas what could be done to fix this?
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Jan 9, 2007
When I use the
following code to execute a RAISERROR from within a CLR Routine (Stored
Procedure), and I call this CLR stored procedure from T-SQL within a
TRY/CATCH block, the error is not caught in the CATCH block. Why is
this happening? Is there any way around this? Any help much appreciated.try { SqlContext.Pipe.ExecuteAndSend(cmd); } catch { }
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Sep 18, 2000
I have an Alert and a Raiserror which I need to do 3 things.
1. Recognize the error (that works)
2.Raise the alert and email the error message to support
3. Return the error message raised to the user application.(not working)
is returning the error message to the user related to the way the application
runs or is this a fairly generic function. (This is sort of an oddball app which is compiled C++ that inteprets data to create it's screens.)
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Feb 16, 2007
Whats the relation between SYBASE RAISERROR and SQL Server RAISERROR in terms of user-defined error codes
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Jan 9, 2007
When I use the following code to execute a RAISERROR from within a CLR Routine (Stored Procedure), and I call this CLR stored procedure from T-SQL within a
TRY/CATCH block, the error is not caught in the CATCH block. Why is
this happening?
try { SqlContext.Pipe.ExecuteAndSend(cmd); } catch { }
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Apr 16, 2008
hi,
How can i insert variables on RAISERROR message ?
RAISERROR('There is no value to compare with the referenced Date '+@ReferenceDate,16,1)
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May 23, 2008
Hello,
I can't find any documentation about this syntax, but it works in sql 2005.
RAISERROR @Error @Message
Can you give me a clue - what is it ? why it works ? why not documented ? and what possible issues can I have by using it ?
Thanks
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Sep 8, 2007
I was curious if using RAISERROR in the catch block of a stored procedure does actually causes some hit on performance? I think it would, as compared to simply returning an error code in this sp's output parameter.
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Oct 18, 2000
I am testing a simple stored proc below.
create procedure procpooh @val1 int, @val2 int as
insert into pooh (val1, val2)
values(@val1,@val2)
declare @error int
SELECT @error = @@ERROR
IF @error <> 0
BEGIN
print 'it failed'
RAISERROR(50020,16,1,@error)
end
When I run the proc and feed it the values it fails(that' what I expect)
because there is a field not being supplied which will not allow nulls.
However neither the print ' it failed ' or the raiserror work. I get the message below instead. Any ideas why the print or raiserror don't work?
Server: Msg 515, Level 16, State 2, Procedure trpooh, Line 11
Cannot insert the value NULL into column 'val3', table 'Chapter5DB.dbo.pooh2'; column does not allow nulls. INSERT fails.
The statement has been terminated.
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Jul 20, 2002
We’re having trouble getting error messages to show up on clients. Our ADO research indicates that the Errors collections is populated, “automatically” – what you do with it is up to the application. Our collection is not being populated. MS says the SQLOLEDB provider has a problem (the collection is not filled) if SET NOCOUNT is OFF. We have SET NOCOUNT ON and still have the problem. We have narrowed the problem down (the example below is an abbreviated version) to “the Errors Collection is not populated if the Raiserror follows a SELECT statement that returns a recordset”.
In the code below the simple select run after the first RAISERROR appears to “block” the Error Collection. Is this by design? Are you never supposed to be able to return records and messages from the same program? We can code around it if we have to, but the documentation seems to indicate our approach is viable.
Any ideas would be most appreciated.
SQL Stored Procedure:
CREATE PROCEDURE Address_Ck
(
@Address_ID INTEGER OUTPUT
, @MailOnly_LG BIT
, @Ctry_ID SMALLINT
, @StPv_ID SMALLINT
, @PostCode_ID INT
, @PostCode_Ext_CH CHAR(10)
, @Add1_VC VARCHAR(60)
, @Add2_VC VARCHAR(60)
, @Add3_VC VARCHAR(60)
, @Add4_VC VARCHAR(60)
, @City_VC VARCHAR(30)
, @City_Lock_LG BIT
, @Directions_VC VARCHAR(2000)
)
AS
DECLARE
@Finder_VC VARCHAR(20)
, @Label1_VC VARCHAR(60)
, @Label2_VC VARCHAR(60)
, @Label3_VC VARCHAR(60)
, @Label4_VC VARCHAR(60)
, @Label5_VC VARCHAR(60)
, @Label6_VC VARCHAR(60)
-- the error in the next line shows up when not commented out
--RAISERROR ( ‘ This error always shows up.’ ,16,1)
SELECT Address_ID
, Label1_VC
, Label2_VC
, Label3_VC
, Label4_VC
, Label5_VC
, Label6_VC
FROM Address_T
WHERE Finder_VC= @Finder_VC
RAISERROR ( ‘ Why won’t this error showup?. ’ ,16,1)
-- the error above never shows up
************************************************** ****
************************************************** ****
THE VB CODE:
Option Explicit
Dim db As New ADODB.Connection
Dim cmd As New ADODB.Command
Dim rs As New ADODB.Recordset
Private Sub Command1_Click()
On Error GoTo errmsg
Set rs = New ADODB.Recordset
Set cmd = New ADODB.Command
With db
.Provider = "SQLOLEDB"
.ConnectionString = "Data Source=Jeanne;trusted_connection = true;integrated security=sspi"
.Open
.DefaultDatabase = "DevTime21"
End With
With cmd
.ActiveConnection = db
.CommandType = adCmdStoredProc
.CommandText = "address_findck_okinsert_m"
.Parameters.Append .CreateParameter("@address_id", _
adInteger, adParamOutput, 4)
.Parameters.Append .CreateParameter("@Mailonly_lg", _
adBoolean, adParamInput, 1, False)
.Parameters.Append .CreateParameter("@ctry_id", _
adInteger, adParamInput, 4, 1)
.Parameters.Append .CreateParameter("@stpv_id", _
adInteger, adParamInput, 4, 1)
.Parameters.Append .CreateParameter("@postid_id", _
adInteger, adParamInput, 4, 0)
.Parameters.Append .CreateParameter("@postcode_ext", _
adChar, adParamInput, 10, "")
.Parameters.Append .CreateParameter("@add1_vc", _
adVarChar, adParamInput, 60, "")
.Parameters.Append .CreateParameter("@add2_vc", _
adVarChar, adParamInput, 60, "")
.Parameters.Append .CreateParameter("@add3_vc", _
adVarChar, adParamInput, 60, "")
.Parameters.Append .CreateParameter("@add4_vc", _
adVarChar, adParamInput, 60, "")
.Parameters.Append .CreateParameter("@city_vc", _
adVarChar, adParamInput, 30, "")
.Parameters.Append .CreateParameter("@city_lock_lg", _
adBoolean, adParamInput, 1, False)
.Parameters.Append .CreateParameter("@directions_vc", _
adVarChar, adParamInput, 2000, "")
End With
rs.CursorLocation = adUseClient
rs.Open cmd, , adOpenStatic, adLockBatchOptimistic
If Not IsNull(cmd("@address_id")) Then
Else
MsgBox "Please contact System Administrator. There was a problem adding address."
End If
Exit Sub
errmsg:
Call errormsginfo
End Sub
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Nov 12, 1998
I've defined an error message 50002, severity level 16 that is logged.
I've defined and alert on error number 50002 to catch it.
I can raise the error using raiserror and it looks like this -
Raiserror ( 50002,16, 1, @tname)
The error is raised and the text is printed, but the alert is never generated.
Am I missing something?
Thanks in advance.
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Jul 20, 2005
I am trying to get a better understanding of when to use return (witha print statement) and when to use raiserror.* Both statements can be used with stored procedures while only returncan be used with functions.* With raiserror it is easy to have multiple errors thrown. (If boththe calling procedure and called procedure both try to handle error)Wow. Thought I could think of more. So that really leaves me with verylittle info on the proper use of these two statements.
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May 30, 2007
Greetings,
I have a stored procedure with a TRY / CATCH block. In the catch block I capture information about the error. I then use RAISERROR to "rethrow" the exception so that it will be available to SSIS.
I execute the stored procedure through a SQL task. I observe that SSIS reports the SQL task succeeds (the task box turns green) when RAISERROR is invoked. If I comment the catch block with RAISERROR then SSIS reports the task failed. (I created a simple procedure that does a divide by zero to force an error.) The expected error message is displayed when the sproc is run from the SQL Server Management Studio command line so I believe that the stored procedure is doing what I intended.
I would like to handle an error within my stored procedure without destroying SSIS's ability to detect a task failure. Is this possible? Is there an alternative to using RAISERROR?
Thanks,
BCB
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