Our Sql server is not responding, So we restarted the server and modified one of the sp code. After that we are getting frequently every 2 min giving the below error
The queue 855365233 in database 9 has activation enabled and contains unlocked messages but no RECEIVE has been executed for 453199 seconds
I have a set of service broker services setup that rely on external activation to process messages. I'm using the GotDotNet ExternalActivator, and it launches console applications that do the actual retrieval from the queues. The console applications are written to run continuously to avoid the cost of starting up .NET based console apps over and over again.
I am observing very odd timing behavior. With the receive queues empty and the external activator configured to run a minimum and maximum of 5 instances, I observe in SQL Profiler that most of the receive operations finish in about the same amount of time as my WAITFOR command in my receive stored procedure. However, there is usually one receive command that consistently takes upwards of 30 seconds and often causes sql timeout exceptions to be thrown. I know that I could code around this, but I wasn't really expecting this behavior.
Does anyone have any thoughts on why it might be occurring? I would have expected to routinely see my receive operations taking 15 seconds, give or take, especially when the queue is empty. Also, I have observed this behaviour on both SQL 2k5 Express and Dev Editions, so I don't think it's a version thing.
The stored procedure I am using to do the receive is:
Create PROCEDURE [dbo].[P_RTD_MessageBase_Receive]
@receiving_queue_name varchar(255),
@receiving_time_out int
AS
Declare @receiveQuery nvarchar(300)
Set @receiveQuery = 'WAITFOR(RECEIVE * FROM [dbo].['+ @receiving_queue_name +']),
TIMEOUT ' + cast (@receiving_time_out as varchar)
Execute sp_executeSql @receiveQuery
Is there any way to identify the context by which a stored proc has been activated. i.e.
I want to use the same sp to end conversations on receipt of the end mesage from the target.
However I don't know how to find out which queue activated the SP.
Hi There
My activation sp must be able to read of various queues.
I load a variable with the queue name that activated the sp btu i cannot get the syntax working to receive or get a conversation group of a queue name that is a variable.
I have tried:
WAITFOR
(
RECEIVE message_body, conversation_handle, message_type_name, message_sequence_number, conversation_group_id FROM @callingQueue INTO @msgTable WHERE conversation_group_id = @conversationGroup
), TIMEOUT 2000;
But i get this error:
Incorrect syntax near '@callingQueue'.
Looks like you cannot use a variable.
So i tried the following:
SELECT @SQL = N' WAITFOR
(
RECEIVE message_body, conversation_handle, message_type_name, message_sequence_number, conversation_group_id FROM @callingQueue INTO @msgTable WHERE conversation_group_id = @conversationGroup
), TIMEOUT 2000'
EXEC sp_executesql @SQL, N'@msgTable table output'
But i get the same error.
How do i receive of a queue using a vriable holding the queue name ?
Thanx
Hi i am trying to create a batch process then commit for all messages on the queue. The problem i am having is when i run my query (As below) I only receive the first message and the corresponding end dialog for the message although i have 2000 records sitting in the queue. It is my understanding that receive without any criteria i.e top(1) or where clause should select everything of the queue. I tried receive top(100) expecting 100 records but still only got 2 back.
any help appreciated.
WAITFOR(RECEIVE
queuing_order,
conversation_handle,
message_type_name,
message_body
FROM [RMIS_COMMS_Queue]
INTO @tableMessages), TIMEOUT 2000;
I set up a queue to activate a clr stored procedure upon receiving a message and nothing is happening. I have tried everything listed in this topic:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=200684&SiteID=1
except for saying "Recieve Top(0)" which didn't make any sense to me. I have set the database to trustworthy (all of this is taking place within a single database on a local server). There are messages on the queue, and I have the queue activation set to max_queue_readers=2, procedure_name=StoredProcedure1, execute as owner. I tried execute as self and that didn't work either. I signed the assembly that contains StoredProcedure1 and the assembly that it references. The only thing that appears in the sql error log is this (I trimmed off the timestamp):
AppDomain 15 (TriggerTest.dbo[runtime].14) is marked for unload due to common language runtime (CLR) or security data definition language (DDL) operations.
AppDomain 15 (TriggerTest.dbo[runtime].14) unloaded.
AppDomain 18 (TriggerTest.dbo[runtime].17) created.
If I call the stored procedure manually it works just fine
Hello,
I have a strange error that occurs if I run ALTER QUEUE with status = OFF on my receiving queue...
Purpose of the test was to check that when the queue get disabled all my event notification set up works fine ..
I found out that the Event Notification will not be thrown if I call ALTER QUEUE with status = OFF on a queue that has not messages inside but If I run anyway ALTER QUEUE with status = OFF I found out that the receive activation Stored Procedure is called and because the code is wrapped around a
BEGIN TRY
...
END TRY
BEGIN CATCH
RAISEERROR (.........) WITH LOG
END CATCH
the SP goes in the catch block and actually I see my Application event log full of entries that contains:
The conversation handle is missing. Specify a conversation handle.'
First at all:
why the activated stored procedure is called if I execute:ALTER QUEUE with status = OFF ?
Thanks
Marina B.
Hi Folks,
I've found a pretty good code example on http://www.dotnetfun.com for a Asynchronous Trigger.
I've parsed through the Code, to understand how to wirte my own Async Trigger with a Service Broker, but the Code isn't working! It seems that the stored procedure don't receive the messages in the queue, but the queue get's filled.
MessageType
CREATE MESSAGE TYPE myMsgXML
VALIDATION = WELL_FORMED_XML;
Contract
CREATE CONTRACT myContractANY
(myMsgXML SENT BY ANY)
Queue
CREATE QUEUE myQueue
WITH STATUS = ON,
RETENTION = ON,
ACTIVATION
(
STATUS = ON,
PROCEDURE_NAME = sp_myServiceProgram,
MAX_QUEUE_READERS = 5,
EXECUTE AS SELF
)
Service
CREATE SERVICE myService ON QUEUE myQueue (myContractANY)
Procedure (greped from http://www.dotnetfun.com/)
CREATE PROC sp_myServiceProgram
AS
-- This procedure will get triggered automatically
-- when a message arrives at the
-- Let's retrieve any messages sent to us here:
DECLARE @XML XML,
@MessageBody VARBINARY(MAX),
@MessageTypeName SYSNAME,
@ID INT,
@COL2 VARCHAR(MAX);
DECLARE @Queue TABLE (
MessageBody VARBINARY(MAX),
MessageTypeName SYSNAME);
WHILE (1 = 1)
BEGIN
WAITFOR (
RECEIVE message_body, message_type_name
FROM myQueue INTO @Queue
), TIMEOUT 5000;
-- If no messages exist, then break out of the loop:
IF NOT EXISTS(SELECT * FROM @Queue) BREAK;
DECLARE c_Test CURSOR FAST_FORWARD
FOR SELECT * FROM @Queue;
OPEN c_Test;
FETCH NEXT FROM c_Test
INTO @MessageBody, @MessageTypeName;
WHILE @@FETCH_STATUS = 0
BEGIN
-- Let's only deal with messages of Message Type
-- myMsgXML:
IF @MessageTypeName = 'myMsgXML'
BEGIN
SET @XML = CAST(@MessageBody AS XML);
-- Now let's save the XML records into the
-- historical table:
INSERT INTO tblDotNetFunTriggerTestHistory
SELECT tbl.rows.value('@ID', 'INT') AS ID,
tbl.rows.value('@COL2', 'VARCHAR(MAX)') AS COL2,
GETDATE() AS UPDATED
FROM @XML.nodes('/inserted') tbl(rows);
END
FETCH NEXT FROM c_Test
INTO @MessageBody, @MessageTypeName;
END
CLOSE c_Test;
DEALLOCATE c_Test;
-- Purge the temporary in-proc table:
DELETE FROM @Queue;
END
Send Message in a Update Trigger
SELECT @XML = (SELECT * FROM inserted FOR XML AUTO);
-- Send the XML records to the Service Broker queue:
DECLARE @DialogHandle UNIQUEIDENTIFIER,
@ConversationID UNIQUEIDENTIFIER;
/*
The target Service Broker service is the same
service as the initiating service; however, you
can set up this type of trigger to send messages
to a remote server or another database.
*/
BEGIN DIALOG CONVERSATION @DialogHandle
FROM SERVICE myService
TO SERVICE 'myService'
ON CONTRACT myContractANY;
SEND ON CONVERSATION @DialogHandle
MESSAGE TYPE myMsgXML
(@XML);
-- Let's detect an error state for this dialog
-- and rollback the entire transaction if one is
-- detected:
IF EXISTS(SELECT * FROM sys.conversation_endpoints
WHERE conversation_handle = @DialogHandle
AND state = 'ER')
RAISERROR('Dialog in error state.', 18, 127);
ELSE
BEGIN
--I want to list the queue after the trigger so I disabled
--END CONVERSATION @DialogHandle;
COMMIT TRAN;
END
The Problem is, that the Procedure doesn't even get started! So I tried to receive the Queues manually
WAITFOR (
RECEIVE message_body, message_type_name
FROM myQueue INTO @Queue
), TIMEOUT 5000;
and I run always into the timeout and get nothing back. A Select * FROM myQueue gives me some results back. Why I can't recevie?
Would be grateful for help, or at least a good tutorial, I haven't found one yet....
thx and greez
Karsten
I have 2 messages types for a queue and would like to use one application that receives messages of one type from the queue and another application that will receieve messages of a different type from the same queue.
Is that possible and if yes how?
SampK
I'm writing some generalized stored procedures for use form managed code. The following stored proc works great:
CREATE PROCEDURE fnd_Send (
@Message VARCHAR(5000),
@Contract SYSNAME,
@MessageType SYSNAME,
@FromService SYSNAME,
@ToService VARCHAR(100),
@Encrypted Bit
)
AS
BEGIN
DECLARE @Handle UNIQUEIDENTIFIER;
BEGIN DIALOG CONVERSATION @Handle
FROM SERVICE @FromService
TO SERVICE @ToService
ON CONTRACT @Contract
WITH ENCRYPTION = OFF;
SEND ON CONVERSATION @Handle
MESSAGE TYPE @MessageType(@Message);
Notice the use of SYSNAME parameters €“ translating the parameter into an object name - allows it to work in the BEGIN DIALOG statement when an system object is needed. Works create and cues up generic messages.
The following will not compile:
CREATE PROCEDURE fnd_Receive (
@Queue SYSNAME,
@Message VARCHAR(5000) out,
@MessageType SYSNAME out
)
AS
BEGIN
DECLARE @Handle UNIQUEIDENTIFIER;
RECEIVE TOP (1)
@Handle = conversation_handle,
@MessageType = message_type_name,
@Message = message_body
FROM @Queue;
END
GO
It won€™t let me use the SYSNAME field @Queue in the FROM clause. I€™m getting an unfriendly:
Msg 102, Level 15, State 1, Procedure fnd_Receive, Line 15
Incorrect syntax near '@Queue'.
It looks like maybe I can€™t bind a variable in the FROM clause €“ perhaps like you cannot in a SELECT statement. I can fall back to dynamic SQL in the stored proc or in the managed code; I was hoping not to.
Can anyone shed any light on this? Also, are there any other techniques I'm missing to avoid falling back to a dynamic SQL statement.
Thank you in advance -
Jeff Odell
Catapult Systems
We have a server with a database with filestream enabled. The filestream data is in a filegroup with three files spread across 3 LUNs F:, G:, and H: each with a capacity of 1.8 TB.
The file stream containers in those three LUNs reference the same column in the same table.
The F: Drive has only 64 GB free space left. The H: However has around 700 GB free.
We are looking to move some filestream content from the container in F: to the container in H:.
I am aware that TDE protects data at Rest and not during communication or data in motion (UNLESS you use Encrypted communication channels using SSL certs etc). Hence I am thinking of doing data export from a TDE encrypted database to a database on the instance where TDE is not enabled or supported. I believe it works and need to take care of relationships between tables.The target database is hosted on SQL 2012 standard edition on which TDE is not supported.
View 4 Replies View RelatedI have a database that is the publisher in transactional replication and also part of an availability group. I have put the pertinent certificates on all of the involved servers, and it is encrypted on all servers and operated as expected. However, we are adding additional security for personal data and we have targeted columns in multiple tables for column encryption. I have a master key and certificates that are stored in the master database. Following an example where I am to create the database master key:
-- Create database Key
USE encrypt_test;
GO
CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'Password123';
GO
But when I try to create a certificate on the database:
-- Create self signed certificate
USE encrypt_test;
GO
CREATE CERTIFICATE Certificate1
WITH SUBJECT = 'Protect Data';
GO
It get the following:
Msg 15151, Level 16, State 1, Line 1
Cannot find the certificate 'Certificate1', because it does not exist or you do not have permission.
Can I add a database certificate to an already TDE enabled database and if not to I create the symmetric key through the certificate located on the master database? And how will that effect decrypting the column values in stored procedures and function on the user database?
My index reorganise maintenance plan fails partly due to the disabled indexes
Executing the query "ALTER INDEX [I_ModelSecurityCommon_RECID] ON [dbo]...
" failed with the following error: "Cannot perform the specified operation on disabled index 'I_ModelSecurityCommon_RECID' on table 'dbo. Model SecurityCommon'.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
I don't want to delete the indexes as they are standard indexes that where on the DB from install.. any script that will reorganise all enabled indexes? and also to rebuild?
I'm trying to flesh out a good queue table design with our dev team.So here is a general overview of the scenario. First an application will hit a WebAPI and grab any updates to Content and store those ID's in SQL (queue table). Next is the fun part, different multi threaded apps will process ID's from the queue. One app will make updates to the data in a different SQL DB while the other will update an index (likely Elastic).
Obviously, we don't want multiple threads working on the same items. One strategy could be to use UPDLOCK & READPAST query hints. However, I'm not sure about the reliability or performance of this solution. I just started looking into setting up a service broker but that would be completely unfamiliar territory for me. Also I can see how a broker might work well within the instance but how would that work with the application making updates to Elastic?
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View 2 Replies View RelatedI receive Error: 3967, Severity: 17, State: 1. Insufficient space in tempdb to hold row versions. We have 8 data files for temp db of 10210 GB size and given 10240 GB as max size.
As MS suggest to calculate the temp db file size and growth rate we need to monitor the perform counters Free Space in Tempdb (KB) and Version Store Size (KB) in the Transactions object.
basic formula: [Size of Version Store] = 2 * [Version store data generated per minute] * [Longest running time (minutes) of your transaction
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I get the following error message when a job calls a Stored Procedure that TRUNCATES a Table:
Cannot truncate table 'CombinedSurveyData' because it is published for replication or enabled for Change Data Capture
Is my only option to change the TRUNCATE to DELETE?
[URL]
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Is it even possible to do regular backups locally keeping data integrity for your backup strategy with Transaction Log Shipping enabled?
I created DTS a while ago and placed in job to run once a day (it worked fine for 3 months)
2 days ago I changed sa password and now job fails with error (Login failed for user 'sa'.), but it run fine from DTS !!!
1. My DTS created with domain Account DomainSVCSQL2000( sa rights and local admin)
2. SVCSQL service use DomainSVCSQL2000 to run
3. SVCSQL agent use DomainSVCSQL2000 to run
4. DTS use 'osql -E
Where should look for reference to sa ?
Executed as user: MONTREALsvcsql2000. DTSRun: Loading... Error: -2147217843 (80040E4D); Provider Error: 18456 (4818) Error string: Login failed for user 'sa'. Error source: Microsoft OLE DB Provider for SQL Server Help file: Help context: 0. Process Exit Code 1. The step failed.
Hello,
This is info that I am still not certain about and I just need to make sure, my gut feeling is correct:
A.
When a procedure is triggered upon reception of a message in a queue, what happens when the procedure fails and rolls back?
1. Message is left on the Queue.
2. is the worker procedure triggered again for the same message by the queue?
3. I am hoping the Queue keeps on triggering workers until it is empty.
My scenario is that my queue reader procedure only reads one message at a time, thus I do not loop to receive many messages.
B.
For my scenario messages are independent and ordering does not matter.
Thus I want to ensure my Queue reader procedures execute simultaneously. Is reading the Top message in one reader somehow blocking the queue for any other reader procedures? I.e. if I have BEGIN TRANSACTION when reading messages of the Queue, is that effectively going prevent many reader procedures working simultaneously. Again, I want to ensure that Service broker is effectively spawning procedures that work simultaneously.
Thank you very much for the time,
Lubomir
Just wonder whether is there any indicator or system parameters that can indicate whether stored procedure A is executed inside query analyzer or executed inside application itself so that if execution is done inside query analyzer then i can block it from being executed/retrieve sensitive data from it?
What i'm want to do is to block someone executing stored procedure using query analyzer and retrieve its sensitive results.
Stored procedure A has been granted execution for public user but inside application, it will prompt access denied message if particular user has no rights to use system although knew public user name and password. Because there is second layer of user validation inside system application.
However inside query analyzer, there is no way control execution of stored procedure A it as user knew the public user name and password.
Looking forward for replies from expert here. Thanks in advance.
Note: Hope my explaination here clearly describe my current problems.
I am working with SP. How can we find out values of parameters when the SP is executed with the default values?
View 9 Replies View RelatedIn one of our requirement, I want all the query details for the SQL query batch that got executed for the day. I know, we can get sql query from dm_ exec_ query_stats. But I want all sql query along with their session details ie. ExecutedDateTime, SessionId, UserID etc. I have tried using sys.dm_ exec_ sessions. But it contains only last executed query details for all the sessions. how to obtain all the session details for all the query executed for the day in the server.
View 7 Replies View RelatedI was testing around with a sample service broker app using activation, and came across an interesting question. The little app sends a series of four messages to a queue, either on the same conversation or on seperate ones. Each message invokes one stored procedure in my activation procedure. All the procedure does is enter a record into a test table and then wait for an allotted amount of time. In my example, the first message called a proc that waited 20 sec, the 2nd one that waited 10 seconds, the third 5 seconds, and the 4th 1 second. I am using internal activation on the queue. It seemed that in both scenarios (sending on 4 separate conversations and on one conversation) the procedures executed "almost" sequentially. "Almost" meaning that the first procedure was done before the last one started executing. It makes sense to me that this would happen where I sent them on the same conversation, but not really when I sent them on 4 seperate ones. Is it because when I call a procedure from my activation procedure it locks the queue so that another message cannot be processed (I'm processing a message at a time)? How could I make it so that the 4th procedure (the one that only waits 1 second) returns before the 1st procedure (the one that waits 20 seconds)?
View 5 Replies View RelatedI have two databases on the same instance.
One is Basket_ODS and the other is Intelligence_ODS. I am using service broker activation on a queue to move data from the Basket_ODS table to the Intelligence_ODS database. Previously I was able to move from table to table in Basket_ODS, however now that I am moving it to another database on the same instance it is no longer working.
If I set my active connection in SQL Management Studio to this user(BrokerUser) and execute the "move" procedure it works. When activated by Service Broker however, it does not. Here is the error message:
2006-05-09 14:47:52.940 spid86s The activated proc [ODS].[ProcessOrderQueue] running on queue Basket_ODS.ODS.Order Process Queue output the following: 'The server principal "BrokerUser" is not able to access the database "Intelligence_ODS" under the current security context.'
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Gary
We are trying to use xp_cmdshell commands in service broker. If I kick off the process without activation, the process succeeds. If I enable activation, the tasks with xp_cmdshell fail.
The xp_cmdshell task is either a echo command so that users know that we are processing a database, or a file copy.
I used the TechNet article by Roger Wolter to create the queues and stored procedures.
We will be working across domains that have one-way trusts.
Wayne
Hi There
Everything works 100% until i activate my sp.
I specify to execute as 'dbo' in the alter queue statement. I also define the activated sp to execute as 'dbo'.
But i keep getting permission errors from my activated sp. i have tried to excute as 'sa' , i have even tried to write a job that excutes to stored procedure but it also get weird errors. Bottom line if i exceute the sp in management studio logged in as sa it works , but thorugh activation or a job nothing works, as 'dbo' or 'sa'.
???
Thanx
I need to change the Activation Key for a copy of SQL Server 2000 that I already have installed and up and running. I have the new key but can't figure out how to change from the old, no longer valid, key.
How can I change keys w/o dumping the DB, uninstalling, and reinstalling all of my instances?
In working through some examples, sometimes I will see this pattern for receiving messages: What is the purpose of the "nested" WAITFOR (RECEIVE? What is this actually doing? Is it receiving the same message in both RECEIVE?
WAITFOR (
RECEIVE @dh = [conversation_handle],
@message_type = [message_type_name],
@message_body = CAST([message_body] AS NVARCHAR(4000))
FROM [Queue]), TIMEOUT 1000;
WHILE @dh IS NOT NULL
BEGIN
IF @message_type = N'http://schemas.microsoft.com/SQL/ServiceBroker/Error'
BEGIN
RAISERROR (N'Received error %s from service [Target]', 10, 1, @message_body) WITH LOG;
END
END CONVERSATION @dh;
COMMIT;
SELECT @dh = NULL;
BEGIN TRANSACTION;
WAITFOR (
RECEIVE @dh = [conversation_handle],
@message_type = [message_type_name],
@message_body = CAST([message_body] AS NVARCHAR(4000))
FROM [Queue]), TIMEOUT 1000;
END
COMMIT;
Other times I will see this pattern for receiving messages: Why do a RECEIVE TOP(1) instead of just a RECEIVE?
WAITFOR(RECEIVE TOP(1)
@conversationHandle = conversation_handle,
@messageTypeName = message_type_name,
@messageBody = message_body
FROM [Queue]), TIMEOUT 1000;
And other times I will see this pattern for receiving messages: What is the purpose of RECEIVING into an in-memory table when you can just process the message directly?
WAITFOR(RECEIVE
queuing_order,
conversation_handle,
message_type_name,
message_body
FROM [Queue]
INTO @tableMessages), TIMEOUT 1000;
IF (@@ROWCOUNT = 0)
BEGIN
COMMIT;
BREAK;
END
What is the difference between the three approaches from an architectural and performance perspective? I need to process messages as fast as possible and I'm not sure why or when each should be used. Also, does the timeout have any impact on how FAST messages will be processed, or is it exactly what it says - a timeout - if a message is not found within the period then the procedure will break?
HI
I am trying to set up a stored procedure to retrieve to 20 messages from a queue into a table to implement a batched process. I have the following code in a stored procedure.
WAITFOR (
RECEIVE top (20) -- get batched so that we can process same listid once
message_type_name,
message_body, -- the message contents
conversation_handle -- the identifier of the dialog this message was received on
FROM dbo.target
into @PayloadData
), TIMEOUT 3000 -- if the queue is empty for three second, give UPDATE and go away
However, the stored procedure is only retrieving 1 message at a time from the queue. Did I miss some other setting
thanks
P
I have seen the posting on determining how activation has failed and looking through the system logs is very helpful in determining why activation is not occuring, however, short of looking through the SQL Server logs is there another way to get the same information? Access to the SQL Server logs is fairly restricted. Does anyone know another way that this can be done? I have used the execute as technique described in the article on "Troubleshooting Activation Stored Procedures" and found it helpful in some cases.
Gary
Hi,
I'm using service broker queue with internal activation to run a stored procedure.
The DB server is windows 2003 R2, 4 cpu, with SQL server 2005 SP2.
When I'm runing the stored procedure directly from the sql management studio it takes about 75% of the cpu and running for about a minute, but when the stored procedure is activated by the queue internal activation (as a background process) it uses only 25% of the machine cpu (my guess it uses only 1 cpu insted of all 4 cpu) and running for much longer time (sometimes even more than one hour).
How can I change this behavior? I want it to run as fast as possible.
The queue decleration is:
CREATE QUEUE [TaskQueue]
WITH ACTIVATION (
STATUS = ON,
PROCEDURE_NAME = ProcessTasksProc,
MAX_QUEUE_READERS = 1,
EXECUTE AS SELF);
Thanks in advance,
Shai Brumer