Service Broker Message On Remote Instance Not Working
Feb 14, 2006
I was trying to send a message on a different instance in the network using service broker. I have created the endpoint and route both the side. I could see that the messages are in the transmission_queue in the sender side with no error in the status.
What could be the reason.
I am doing the following:
CREATE ROUTE inst02
WITH
SERVICE_NAME = 'SERVICE2',
ADDRESS = 'tcp://10.14.43.149:2341'
in the send script i am using this:
BEGIN DIALOG CONVERSATION @dialog_handle
FROM SERVICE [SERVICE1]
TO SERVICE 'SERVICE2'
ON CONTRACT [MainContract] WITH ENCRYPTION = OFF ;
in the sending side if i change the endpoint's authentication as windows kerberos , then i get thefollowing error in the transmission queue:
"Connection handshake failed. An OS call failed: (8009030e) 0x8009030e(No credentials are available in the security package). State 66."
I also have given access to the remote user on this endpoint(on the recever side) using this :
GRANT CONNECT ON ENDPOINT::Endpoint_test to paras
I am executing the sending side send script using the same user wich has access to the remote endpoint.
Can some one resolve this issue.
Thanks
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Mar 30, 2007
I am trying to send a message between to SQL Server 2005 instances on two different machines. I have checked all my routes and all my objects appear to be setup correctly. However, when running Profiler on the target machine, I receive the "This message has been dropped because the TO service could not be found. Service name: "[tcp://mydomain.com/TARGET/MyService]". Message origin: "Transport". This is my activated stored procedure that is sending the message to the target service. I am using certificate security. Any help appreciated....
CREATE PROCEDURE [usp_ProcessMessage]
AS
BEGIN
SET NOCOUNT ON;
DECLARE @conversation_handle uniqueidentifier
DECLARE @message_body AS VARBINARY(MAX)
WHILE (1=1)
BEGIN
BEGIN TRANSACTION;
WAITFOR(RECEIVE TOP (1)
@conversation_handle = conversation_handle,
@message_body = message_body
FROM [tcp://mydomain.com/INITIATE/MyQueue]
), TIMEOUT 1000;
IF (@@ROWCOUNT = 0)
BEGIN
COMMIT;
BREAK;
END
END CONVERSATION @conversation_handle
IF @message_body IS NOT NULL
BEGIN
BEGIN DIALOG CONVERSATION @conversation_handle
FROM SERVICE [tcp://mydomain.com/INITIATE/MyService]
TO SERVICE '[tcp://mydomain.com/TARGET/MyService]'
ON CONTRACT [tcp://mydomain.com/INITIATE/MyMessage/v1.0]
WITH ENCRYPTION = ON, LIFETIME = 600;
SEND ON CONVERSATION @conversation_handle
MESSAGE TYPE [tcp://mydomain.com/TARGET/VisitMessage]
(@message_body);
END
COMMIT;
END
END
GO
My endpoints are created like so:
CREATE ENDPOINT MyEndpoint
STATE = STARTED
AS TCP
(
LISTENER_PORT = 4022
)
FOR SERVICE_BROKER (AUTHENTICATION = CERTIFICATE MasterCertificate)
GO
GRANT CONNECT TO CertOwner
GRANT CONNECT ON ENDPOINT::MyEndpoint TO CertOwner
GO
And my routes like so:
GRANT SEND ON SERVICE::[tcp://mydomain.com/INITIATE/MyService] TO CertOwner
GO
CREATE REMOTE SERVICE BINDING [MyCertificateBinding]
TO SERVICE '[tcp://mydomain.com/TARGET/MyService]'
WITH USER = CertOwner,
ANONYMOUS=OFF
CREATE ROUTE [tcp://mydomain.com/INITIATE/MyRoute]
WITH SERVICE_NAME = '[tcp://mydomain.com/TARGET/MyService]',
BROKER_INSTANCE = N'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx',
ADDRESS = N'TCP://xxx.xx.xx.xx:4022'
GO
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Jul 13, 2007
Hi,
I have a small problem with my two databases ( A and B ).
On database A I have a queue set up for receiving messages from a service broker which are sent via a stored procedure from database B ...
Each time a message hits the queue on database A I would like to run a stored procedure that takes the message and actions it.
I have my stored procedures in place but can't figure out how to trigger a procedure each time a message is received. I have read this ( http://technet.microsoft.com/en-us/library/ms171601.aspx ) but would really appreciate someone posting an example of setting up queue activation.
Many thanks
Chris
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Jun 14, 2006
I'd like to set up a Service Broker queue in one database (dbRespond) on a server so that events in another database (dbEvent) on the same server instance can post messages to the queue. The problem I'm having is that:
The BEGIN DIALOG CONVERSATION needs to reference a Contract that is in the current database, and I want to call BEGIN DIALOG CONVERSATION from dbEvent
The target service is in dbRespond. Based on the "Hello World" Service Broker example that comes with SQL 2005, in dbRespond I need to specify the contract in the CREATE SERVICE call that creates the target service. Here, too, the contract must be defined in the current database.
How do I deal with needing to have the same one contract in two different databases?
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Nov 2, 2006
I have an app receiving messages from SQL Service Broker when data is updated. (Messages are located at http://msdn2.microsoft.com/en-us/library/system.data.sqlclient.sqlnotificationinfo.aspx )
When I run this app against a remote SQL Server, I receive the message "Updated" which I expect.
But when I run the same app against the local machine SQL Server, I receive the message "Options".
Does anyone know if there are SQL Server options that must be set to certain values?
I can't seem to find anything that troubleshoots this message... either from a SQLServer- or a .NET standpoint.
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Feb 28, 2006
How do you set up the service broker to process an email message, and how do you format that message and send it to the que.
Can the service broker alos process an html form from a que.
Thanks
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Jan 23, 2008
Hi All,
I want to send notification to SSRS on change in database for that I am using SSB to send message to SQL Server Reporting Services.
Can I use SSB and if yes, how? Please guide me I am new to this.
Thanks,
Omkar.
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Apr 9, 2008
One of my customers' SQL Server 2005 databases, which was set up to receive messages from another SQL Server 2005 database on another server has been re-installed by the customer and now the message passing no longer works. After recreating the End Point and re-enabling the Service Broker on the target database, I am now getting messages in the SQL Server error log.
An error occurred in the service broker message dispatcher, Error: 15581 State: 3.
and
Error: 9644, Severity 16, State: 14.
The two errors repeat alternately ad nauseum.
Running a trace on the target database server, for the Broker:Message Undeliverable, gives an endless stream of these entries:
This message could not be delivered because an internal error (code 15581, state 3) was encountered while processing it. Check the error log for more information.
Any ideas on how to fix this system?
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Apr 17, 2007
Hi,
I am using service broker in between two database servers. following is the way i am sending and receiving messages
Send
BEGIN TRAN
BEGIN DIALOG CONVERSATION @handle
FROM SERVICE @SendService
TO SERVICE @ReceiveService
ON CONTRACT @Contract
WITH LIFETIME = @lifetime;
SEND ON CONVERSATION @handle
MESSAGE TYPE @xmlMessageType(@xmlMessage);
COMMIT
Receive
BEGIN TRAN;
RECEIVE TOP(1) @xmlMessage = message_body,
@handle = conversation_handle,
@message_type = message_type_name
FROM TransactionQueue;
----------------------------------------------------------------------------------------------------
-- Check to make sure a message was returned to process. In theory this should never happen.
----------------------------------------------------------------------------------------------------
IF @@rowcount = 1
BEGIN
IF @message_type = 'http://schemas.microsoft.com/SQL/ServiceBroker/EndDialog'
BEGIN
END CONVERSATION @handle;
COMMIT
RETURN 0
END
IF @message_type = N'http://schemas.microsoft.com/SQL/ServiceBroker/Error'
BEGIN
RAISERROR(N'Received error %s from service [Target]', 10, 1)
END CONVERSATION @handle;
COMMIT
RETURN 0
END
SET @sql = 'EXEC '+@message_processor_name+' @xml'
BEGIN TRAN
EXEC sp_executesql @sql, N'@xml XML', @xml=@xmlMessage
COMMIT TRAN
END CONVERSATION @handle;
END
COMMIT
I see Messages are delivered to the target every thing working fine other than following errors which i am seeing in profiler.
1) "This message could not be delivered because the conversation endpoint has already been closed." I see this error on initiator end. Is it like ending conversation on initiator end when i get "EndDialog" send an acknowledgement, which cannot be recieved by target as it has already ended conversation.
2) "An error occurred while receiving data: '64(The specified network name is no longer available.)'." I don't have much idea about the reason for this error. But in profiler i see value for GUID is different for this error and the real message.
Let me know if you need any other information
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Feb 27, 2007
Hi
I have been running service broker between 3 initaitors and a single target witha forwarder for some time.
Everything works 100%, i use persistent conversation and all queues and transmission_queues are clear. Everything works 100%.
However while running profiler on the forwarder i see the following errors every now and again. Actually every time a message succesfully gets to central i see this error:
On the forwarder: Broker Connection: EventSubClass 4 - Closing :
An error occurred while receiving data: '64(The specified network name is no longer available.)'.
Database ID 1 : master:
ObjectName : tcp:11.45.101.100 - this is the target
i sometimes see the exact same error with a initiator IP.
I am very confused becuase everything is working 100%, queues and transmission queues are all clear.
Why do i see this error ?
Thanx
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Jun 21, 2006
Hi,
I run the code sample below in a SQL Mgt Studio query window. I get no error messages. However, the two SELECT statements at the end produce undesireable results (see comments). My messages to not make it to the target queue; they get stuck in sys.transmission_queue with the error message in the final comment of the code. The server principal "ddddXXXXX" is a Windows Active Directory account that: 1) is a domain admin in the domain that my SQL Server box is a member server of, 2) is the login used by the "SQL Server (MSSQLSERVER)" service account, and 3) is a member of the SQL Server instance's sysadmin fixed server role.
What is it I'm missing that is denying a sysadmin login access to a database?
/***
Service Broker try 1
***/
USE master;
GO
CREATE DATABASE sbRespond;
GO
CREATE DATABASE sbEvent;
GO
USE sbRespond;
GO
CREATE MESSAGE TYPE ActivatedStudyMessage
VALIDATION = WELL_FORMED_XML;
GO
CREATE CONTRACT ActivatedStudyContract
(ActivatedStudyMessage SENT BY INITIATOR);
GO
CREATE QUEUE [dbo].[ActivatedStudyTargetQueue];
GO
CREATE SERVICE ActivatedStudyTargetService
ON QUEUE [dbo].[ActivatedStudyTargetQueue]
(ActivatedStudyContract);
GO
USE sbEvent;
GO
CREATE MESSAGE TYPE ActivatedStudyMessage
VALIDATION = WELL_FORMED_XML;
GO
CREATE CONTRACT ActivatedStudyContract
(ActivatedStudyMessage SENT BY INITIATOR);
GO
CREATE QUEUE [dbo].[ActivatedStudyInitiatorQueue];
GO
CREATE SERVICE ActivatedStudyInitiatorService
ON QUEUE [dbo].[ActivatedStudyInitiatorQueue];
GO
-- Send a message.
USE sbEvent;
GO
BEGIN TRANSACTION;
GO
DECLARE @message XML;
SET @message = N'
<message>
<PROT_ID>123456</PROT_ID>
<StudyID>AAAA1234</StudyID>
</message>
';
DECLARE @conversationHandle UNIQUEIDENTIFIER;
BEGIN DIALOG CONVERSATION @conversationHandle
FROM SERVICE ActivatedStudyInitiatorService
TO SERVICE 'ActivatedStudyTargetService'
ON CONTRACT ActivatedStudyContract
WITH ENCRYPTION = OFF;
SEND ON CONVERSATION @conversationHandle
MESSAGE TYPE ActivatedStudyMessage
(@message);
END CONVERSATION @conversationHandle;
GO
COMMIT TRANSACTION;
GO
USE sbRespond;
GO
SELECT * FROM [dbo].[ActivatedStudyTargetQueue];
GO
--The query above returns zero records
SELECT * FROM sbEvent.sys.transmission_queue;
GO
--The query above returns two records, each with this "transmission_status" value:
--An exception occurred while enqueueing a message in the target queue.
-- Error: 916, State: 3.
-- The server principal "ddddXXXXX" is not able to access the
-- database "sbRespond" under the current security context.
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Jan 29, 2008
I've got a situation where I want to put request message on a queue. Because starting a conversation is the only way to put messages on a queue I have to start a conversation with myself. So my Begin Dialog Statement looks something like this:
DECLARE @conversation_handle UNIQUEIDENTIFIER;
BEGIN DIALOG CONVERSATION @conversation_handle
FROM SERVICE [ServiceName1]
TO SERVICE 'ServiceName1'
ON CONTRACT [ContractName1]
WITH ENCRYPTION = OFF;
SELECT @conversation_handle AS ConversationHandle
I haven't noticed any problems with doing this but I wanted to know if there was anything wrong with it. Does someone know what problems this might cause?
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Jul 23, 2007
when ever I send my message thru Service Broker I am getting an error message like this "
"Dialog security is not available for this conversation because there is no remote service binding for the target service. Create a remote service binding, or specify ENCRYPTION = OFF in the BEGIN DIALOG statement."
This I found in sys.transmission_queue
Please reply with your comments
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Mar 22, 2007
Hi
I have recently upgraded several of our SQL2005 servers to SP2a :) version 9.0.3050
and find that I can no longer script the Service Broker objects from a remote connection. The error I am getting is:
Script failed for MessageType 'MyMessageType' (Microsoft.SqlServer.Smo)
Additional Information
Either the object or one of its properties is not supported on the target server version
(Microsoft.SqlServer.Smo)
Now I know that this worked pre SP2 using exactly the same setup. Has anyone else experienced this or know how to fix it?
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Jan 9, 2006
I need some assistance with getting service broker to work across servers. I have 2 separate servers and I am trying to send a message from one server to the other. No error is generated when sending the message and I get no records in the transmission queue of the sending server, however the message does not arrive on the receiving server. Where is the message going?
Here is the code I use to create the service broker objects that are being used€¦
RUN THIS ON THE SENDING SERVER:
CREATE MESSAGE TYPE [MyMessage] VALIDATION = NONE
CREATE MESSAGE TYPE [MyResponse] VALIDATION = NONE
GO
CREATE CONTRACT [MyContract] (
MyMessage SENT BY INITIATOR,
MyResponse SENT BY TARGET)
GO
CREATE QUEUE [MyInitiatorQueue] with status = ON
CREATE QUEUE [MyTargetQueue] with status = ON
GO
CREATE SERVICE [MyInitiatorService] ON QUEUE [MyInitiatorQueue]
GO
CREATE ROUTE [RouteToODS]
WITH
SERVICE_NAME = N'MyTargetService',
BROKER_INSTANCE = '1BB213E2-67A7-4059-BAF8-D9B5F31E358E',
ADDRESS = N'TCP://CONSULT01:4022'
GO
CREATE ENDPOINT DWHEndPoint
STATE = STARTED
AS TCP (LISTENER_PORT = 4022)
FOR SERVICE_BROKER (
AUTHENTICATION = WINDOWS,
ENCRYPTION = DISABLED)
GO
RUN THIS ON THE RECEIVING SERVER:
CREATE MESSAGE TYPE [MyMessage] VALIDATION = NONE
CREATE MESSAGE TYPE [MyResponse] VALIDATION = NONE
GO
CREATE CONTRACT [MyContract] (
MyMessage SENT BY INITIATOR,
MyResponse SENT BY TARGET)
GO
CREATE QUEUE [MyInitiatorQueue] with status = ON
CREATE QUEUE [MyTargetQueue] with status = ON
GO
CREATE SERVICE [MyTargetService] ON QUEUE [MyTargetQueue] ([MyContract])
GO
CREATE ROUTE [RouteToDWH]
WITH
SERVICE_NAME = N'MyInitiatorService',
BROKER_INSTANCE = 'F0BF4E80-704E-4CFE-80FC-637A1EC128C5',
ADDRESS = N'TCP://DWH:4022'
GO
CREATE ENDPOINT ODSEndPoint
STATE = STARTED
AS TCP (LISTENER_PORT = 4022)
FOR SERVICE_BROKER (
AUTHENTICATION = WINDOWS,
ENCRYPTION = DISABLED)
GO
SEND A MESSAGE USING THE FOLLOWING:
Declare @ConversationHandle uniqueidentifier
Begin Transaction
Begin Dialog @ConversationHandle
From Service [MyInitiatorService]
To Service 'MyTargetService'
On Contract [MyContract]
With Encryption = Off,
Lifetime = 600;
Send on Conversation @ConversationHandle
Message Type [MyMessage] (N'This is a my message')
End Conversation @ConversationHandle
Commit
Select GET_TRANSMISSION_STATUS(@ConversationHandle)
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Sep 10, 2007
How to prevent the hang on the initator service broker if the target service broker is not started?
Our case has two service brokers (two databases), sometime, the target is need to turn off. But the sitation is the initator service broker (in fact, the message is sent from triggers) become hang, I want to prevent this case and continue to operation, and the messages should queue and will continue to send to target service broker when it startup. How should I do?
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Feb 20, 2007
I am trying to set up a ODBC connection to a remote database using the ODBC data source administrator. I am getting an error message complaining of an invalid instance(). The database I am trying to connect to does have a default instance and a named instance. Do I need to specify the instance name somewhere in the connection settings? I tried specifying the server name as <Remote computer IP Address>/<Instance Name> but this didn't work. Any ideas?
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Feb 16, 2008
Hello, I receive this error "The SQL Server Service Broker for the current database is not enabled, and as a result query notifications are not supported. Please enable the Service Broker for this database if you wish to use notifications." I attach the database in Management Studio to query and enable the broker using the scrip below but to no avail. ALTER DATABASE DataName SET ENABLE_BROKER ‘''<<------successfulandSELECT is_broker_enabled FROM sys.databases WHERE name = 'Database name' ‘'''<<-------value is 1 Global.asax ... Sub Application_Start(ByVal sender As Object, ByVal e As EventArgs) System.Data.SqlClient.SqlDependency.Start(ConfigurationManager.ConnectionStrings("dataConnectionString1").ConnectionString) End Sub...Web.config ... <connectionStrings> <add name="dataConnectionString1" connectionString="Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|jbp_data.mdf;Integrated Security=True;User Instance=True" providerName="System.Data.SqlClient" /> <add name="ASPNETDBConnectionString" connectionString="Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|ASPNETDB.MDF;Integrated Security=True;User Instance=True" providerName="System.Data.SqlClient" /> </connectionStrings>... Hope you could help. cheers,imperialx
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Apr 5, 2007
Hi,
I am struggling with the position SSB could take in an SOA. If I would want a broker in the general sense, meaning an intermediary sitting between applications which exchange information through messaging, would SSB be a good candidate? I know Biztalk is probably the primary candidate, but in my scenario I would end up with Biztalk apps with empty orchestrations. Also, I think Biztalk is more expensive to manage. So I am looking for a lightweight broker for a simple SOA targeted at application interoperability, no fancy business processes in sight.
I look forward to some responses.
Kind regards,
Neeva
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Jan 24, 2006
I just restored my SQL server 2000 database on the SQL server 2005. after this i ran the Service broker sample ("Hello World") on this database by changing the AdventureWorks name to the new database name. The "setup.sql" runs fine. When i run the "SendMessage.sql" i was not getting any rows in the output (The message was not getting inserted into the queue). I checked the Service broker is enabled on this databased using the query "select is_broker_enabled from sys.databases where name = 'newdbname' " It was 1. I even tried the ALTER DATABASE SET ENABLE_BROKER. but it didnt work.
When i tried the sample on a newly created database it worked fine.
Is there any solution to make the restored database to work for service broker.
Thanks
Prashanth
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Feb 28, 2006
Hello,
Has anyone seen this in profiler? I have two brokers on different servers with one of them being the initiator. All messages end up sitting in the initiator's transmission queue. Profiler on the target broker's machine displays this for every attempt to send by the initiator:
A corrupt message has been received. The End of Conversation and Error flags may not be set in the first sequenced message. This occorred in the message with Conversation ID '...', Initiator: 1, and Message sequence number: 0
In case it's relevant encryption is disabled and endpoints on both servers use windows authentication.
Any hints are greatly appreciated.
Regards,
Svega
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Sep 30, 2007
In profiler i see next error:
"The message could not be delivered because it could not be classified. Enable broker message classification trace to see the reason for the failure."
Where and what should I enable? I enabled all in "Broker event category" of the profiler.
Thanks
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Sep 26, 2007
I am doing some research to see if the Service Broker technology would help my company with our Enterprise application. Here is our scenario: We have a 3 tier system. The first tier needs to contact the second tier asynchronously. Hence, using queues is a good option. However, the process that needs to happen on the second tier is mostly process intensive with little database updates. Is it still worth our time to use Service Broker?
I like the concept of Activation that Service Broker provides. But, from what I am reading most of the documentation describes activation as a way to call another stored proc. I definitely dont' want to do any process intensive work on the SQL server. So here comes my question...
How would I use a windows service to listen to the activation event from the Service Broker. I could have multiple windows services watching the same queue (scalable). Would I have to handle collisions myself? If so, I think I would rather keep it simple, and just use a simple table as my queue.
Thanks for your comments in advance...
Vijay.
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Feb 17, 2006
I have two databases (A and B )on the same SQL Server instance. Both have SSB enabled and running fine within themselves. All athorizations are at present set to dbo.
Recently I had a requirement to start a dialog and send a message from within data base A to a queue via a service that is in database B.
I tried coding the SSB instance in the BEGIN DIALOG then I set up a route and tried that. On both occoasions I got the following on sys.transmission_queue
"An exception occurred while enqueueing a message in the target queue. Error: 916, State: 3. The server principal "sa" is not able to access the database "B" under the current security context."
Is this sometjhing to do with security lock downs in 2005?
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Sep 28, 2013
I have a VM with SP2013 and SQL Server 2012 SP1. I have installed the powerpivot plugin SP1.But when I run the PowerPivot for SharePoint 2013 configuration tool.
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Dec 1, 2006
I have a initiator and a target service broker peer.
Both are controlled by a C# unit test. The initiator uses the Microsoft.Samples.SqlServer class. The target service uses stored procedure activation.
Sending a message from the initiator to the target, saves the content of the message, along with its conversation handle in the target's database specific table.
The unit test needs - at a later time - to instruct the target to send a message back on the same conversation handle to the initiator service.
For this the C# unit test creates a Conversation off of the saved conversation handle:
Service client = new Service("cleintservicename", conn, tran);
Conversation dialog = null;
dialog = new Conversation(client, convHandle);
Sending the message on this dialog generates an error "Message body: <Error xmlns="http://schemas.microsoft.com/SQL/ServiceBroker/Error"><Code>-8495</Code><Description>The conversation has already been acknowledged by another instance of this service.</Description></Error>".
Is the error due to the fact that a service - using the activated stored procedure already picked up the conversation, so that a new reference to the service can not be created through the Service class in CLR?
If so, I might need then to skip the activated stored procedure in favor or a CLR service, alltogether?
Any help - greatly appreciated.
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Apr 28, 2006
I have configured an instance to use static port, say 1435, and I turned off the Browser service.
I would like to know if I can use SSMSE to connect to the instance database directly. The instance is listening at port 1435 and accepting connection requests from other methods.
What I need to put into the "Server name: " field?
Normally, it would be like: <serverIP><InstanceID> with Browser turned on.
Now how do I add the port information to it, I tried
<serverIP>:<portNumber><InstanceID>
<serverIP><InstanceID>:<portNumber>
<serverIP><InstanceID> <portNumber>
None of them worked.
Any suggestions?
Thanks.
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Apr 5, 2008
Hi to all, I want to study Sql server Service broker, have some questions1. What is the use of service broker ?2. Where this will use ? (With example)3. How to enable Service broker? Because i have sql server 2005 version but no folder like service broker.
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Aug 29, 2006
Im having a hard time understanding everything required to create a simple Service Broker example. Can someone please assist? Source code would be ideal, but if not "do this, do that" would even be helpful.
Thanks.
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Sep 8, 2006
I am trying to implement service broker. I send a message from my application code to the database to execute a specific stored procedure. How do i return the result set obtained by the execution of the stored procedure to the application.
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May 16, 2006
My service broker seems to be broken... The database was restored from another crashed server but i have tried the
ALTER AUTHORIZATION ON DATABASE::[SPYDERONTHEWEB] TO [SA];
The error i'm getting is
Service Broker needs to access the master key in the database 'SpyderOnTheWeb'. Error code 25. The master key has to exist and th service master key encryption is required.
Error: 28054, Severity 11, State: 1.
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Sep 26, 2006
Hi
It will be great to have an update on MS plans to solve the problem of using
Service Broker for remote users who sit behind the NAT.
Any news will be appreciated.
Leonid.
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Sep 11, 2006
Hello , I am trying to Implement distribution of the Stock Quotes over the LAN(only within the Network) and showing the live changing stock Quotes on the front end (in datagrid) installed at each clients desktop.I am receiving the Stock prices over the TCP / IP from the Stock Exchange. I am recieving atleast 10-15 messages per second over the TCP / IP from the Stock Exchange. Now i need to distribute this feed to Each connected client.
I tried doing it from TCP / IP , but in vein. Can we install the SQL 2005 Database Client Version on every client and use Service broker instaed of Live TCP / IP connections programmatically?
Ideally Can i dump the meesages from Stock Exchange in to each connected client's database locally and each front end application will keep a record of all the incomming messages.i.e Front end have a notification event , it will referesh the Datagrid in Front end accordingly...
ALL my front end application are made in dot net
Pls suggest if this above workflow will help me
Yugant
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