Missing conversation handle in Service Broker
0
I'm creating a conversation for my queue on Service Broker (SQL 2016) using the following :
BEGIN TRANSACTION
BEGIN DIALOG CONVERSATION @NotificationDialog
FROM SERVICE ChangeNotifications
TO SERVICE 'ChangeNotifications'
ON CONTRACT [http://schemas.microsoft.com/SQL/Notifications/PostQueryNotification]
WITH ENCRYPTION = OFF;
-- Send the message
--
SEND ON CONVERSATION @NotificationDialog
MESSAGE TYPE [http://schemas.microsoft.com/SQL/Notifications/QueryNotification] (@Message)
COMMIT TRANSACTION
I'm receiving the message in a windows service using the following code:
using (SqlCommand cmd = new SqlCommand("WAITFOR ( RECEIVE * FROM dbo.NotificationsQueue);", cnn))
{
cmd.CommandTimeout = 0;
cnn.Open();
// Execute the command - we will wait here until a new entry appears in the Notification Queue
//
SqlDataReader reader = cmd.ExecuteReader();
// Get the message text from the reader
//
while (reader.Read())
{
// Get the message body text and convert into a legible format
//
messageText = reader.GetString(reader.GetOrdinal("message_body"));
messtype = reader.GetString(reader.GetOrdinal("message_type_name"));
convhandle = reader.GetGuid(reader.GetOrdinal("conversation_handle"));
}
reader.Close();
reader = null;
if (messtype == @"http://schemas.microsoft.com/SQL/ServiceBroker/EndDialog" ||
messtype == @"http://schemas.microsoft.com/SQL/ServiceBroker/Error" ||
messtype == @"http://schemas.microsoft.com/SQL/Notifications/QueryNotification" )
{
var cmd2 = new SqlCommand("end conversation '" + convhandle.ToString() + "'", cnn);
cmd2.ExecuteNonQuery();
cmd2.Dispose();
}
}
When the code tries to execute the end conversation, I get an error 'The conversation handle is not found.'. If I search sys.conversation_endpoints for the handle it doesn't exist either. I'm not actively ending the conversation anywhere.
Why is there no record for it?
c# sql-server-2016 service-broker
asked Dec 28 '18 at 11:14
Rob MarshRob Marsh
207313
add a comment |
0
I'm creating a conversation for my queue on Service Broker (SQL 2016) using the following :
BEGIN TRANSACTION
BEGIN DIALOG CONVERSATION @NotificationDialog
FROM SERVICE ChangeNotifications
TO SERVICE 'ChangeNotifications'
ON CONTRACT [http://schemas.microsoft.com/SQL/Notifications/PostQueryNotification]
WITH ENCRYPTION = OFF;
-- Send the message
--
SEND ON CONVERSATION @NotificationDialog
MESSAGE TYPE [http://schemas.microsoft.com/SQL/Notifications/QueryNotification] (@Message)
COMMIT TRANSACTION
I'm receiving the message in a windows service using the following code:
using (SqlCommand cmd = new SqlCommand("WAITFOR ( RECEIVE * FROM dbo.NotificationsQueue);", cnn))
{
cmd.CommandTimeout = 0;
cnn.Open();
// Execute the command - we will wait here until a new entry appears in the Notification Queue
//
SqlDataReader reader = cmd.ExecuteReader();
// Get the message text from the reader
//
while (reader.Read())
{
// Get the message body text and convert into a legible format
//
messageText = reader.GetString(reader.GetOrdinal("message_body"));
messtype = reader.GetString(reader.GetOrdinal("message_type_name"));
convhandle = reader.GetGuid(reader.GetOrdinal("conversation_handle"));
}
reader.Close();
reader = null;
if (messtype == @"http://schemas.microsoft.com/SQL/ServiceBroker/EndDialog" ||
messtype == @"http://schemas.microsoft.com/SQL/ServiceBroker/Error" ||
messtype == @"http://schemas.microsoft.com/SQL/Notifications/QueryNotification" )
{
var cmd2 = new SqlCommand("end conversation '" + convhandle.ToString() + "'", cnn);
cmd2.ExecuteNonQuery();
cmd2.Dispose();
}
}
When the code tries to execute the end conversation, I get an error 'The conversation handle is not found.'. If I search sys.conversation_endpoints for the handle it doesn't exist either. I'm not actively ending the conversation anywhere.
Why is there no record for it?
c# sql-server-2016 service-broker
asked Dec 28 '18 at 11:14
Rob MarshRob Marsh
207313
Are you running a Stored Procedure? The use following : cmd2.CommandType = System.Data.CommandType.StoredProcedure;
– jdweng
Dec 28 '18 at 11:21
@jdweng, the code is clearly not executing a stored procedure.
– Dan Guzman
Dec 28 '18 at 11:53
I don't see anything obvious in the code you posted that would case this error, although I recommend parameterizing theEND CONVERSATIONquery and surrounding in ausingblock like the outer query.
– Dan Guzman
Dec 28 '18 at 12:05
add a comment |
0
0
0
I'm creating a conversation for my queue on Service Broker (SQL 2016) using the following :
BEGIN TRANSACTION
BEGIN DIALOG CONVERSATION @NotificationDialog
FROM SERVICE ChangeNotifications
TO SERVICE 'ChangeNotifications'
ON CONTRACT [http://schemas.microsoft.com/SQL/Notifications/PostQueryNotification]
WITH ENCRYPTION = OFF;
-- Send the message
--
SEND ON CONVERSATION @NotificationDialog
MESSAGE TYPE [http://schemas.microsoft.com/SQL/Notifications/QueryNotification] (@Message)
COMMIT TRANSACTION
I'm receiving the message in a windows service using the following code:
using (SqlCommand cmd = new SqlCommand("WAITFOR ( RECEIVE * FROM dbo.NotificationsQueue);", cnn))
{
cmd.CommandTimeout = 0;
cnn.Open();
// Execute the command - we will wait here until a new entry appears in the Notification Queue
//
SqlDataReader reader = cmd.ExecuteReader();
// Get the message text from the reader
//
while (reader.Read())
{
// Get the message body text and convert into a legible format
//
messageText = reader.GetString(reader.GetOrdinal("message_body"));
messtype = reader.GetString(reader.GetOrdinal("message_type_name"));
convhandle = reader.GetGuid(reader.GetOrdinal("conversation_handle"));
}
reader.Close();
reader = null;
if (messtype == @"http://schemas.microsoft.com/SQL/ServiceBroker/EndDialog" ||
messtype == @"http://schemas.microsoft.com/SQL/ServiceBroker/Error" ||
messtype == @"http://schemas.microsoft.com/SQL/Notifications/QueryNotification" )
{
var cmd2 = new SqlCommand("end conversation '" + convhandle.ToString() + "'", cnn);
cmd2.ExecuteNonQuery();
cmd2.Dispose();
}
}
When the code tries to execute the end conversation, I get an error 'The conversation handle is not found.'. If I search sys.conversation_endpoints for the handle it doesn't exist either. I'm not actively ending the conversation anywhere.
Why is there no record for it?
c# sql-server-2016 service-broker
asked Dec 28 '18 at 11:14
Rob MarshRob Marsh
207313
I'm creating a conversation for my queue on Service Broker (SQL 2016) using the following :
BEGIN TRANSACTION
BEGIN DIALOG CONVERSATION @NotificationDialog
FROM SERVICE ChangeNotifications
TO SERVICE 'ChangeNotifications'
ON CONTRACT [http://schemas.microsoft.com/SQL/Notifications/PostQueryNotification]
WITH ENCRYPTION = OFF;
-- Send the message
--
SEND ON CONVERSATION @NotificationDialog
MESSAGE TYPE [http://schemas.microsoft.com/SQL/Notifications/QueryNotification] (@Message)
COMMIT TRANSACTION
I'm receiving the message in a windows service using the following code:
using (SqlCommand cmd = new SqlCommand("WAITFOR ( RECEIVE * FROM dbo.NotificationsQueue);", cnn))
{
cmd.CommandTimeout = 0;
cnn.Open();
// Execute the command - we will wait here until a new entry appears in the Notification Queue
//
SqlDataReader reader = cmd.ExecuteReader();
// Get the message text from the reader
//
while (reader.Read())
{
// Get the message body text and convert into a legible format
//
messageText = reader.GetString(reader.GetOrdinal("message_body"));
messtype = reader.GetString(reader.GetOrdinal("message_type_name"));
convhandle = reader.GetGuid(reader.GetOrdinal("conversation_handle"));
}
reader.Close();
reader = null;
if (messtype == @"http://schemas.microsoft.com/SQL/ServiceBroker/EndDialog" ||
messtype == @"http://schemas.microsoft.com/SQL/ServiceBroker/Error" ||
messtype == @"http://schemas.microsoft.com/SQL/Notifications/QueryNotification" )
{
var cmd2 = new SqlCommand("end conversation '" + convhandle.ToString() + "'", cnn);
cmd2.ExecuteNonQuery();
cmd2.Dispose();
}
}
When the code tries to execute the end conversation, I get an error 'The conversation handle is not found.'. If I search sys.conversation_endpoints for the handle it doesn't exist either. I'm not actively ending the conversation anywhere.
Why is there no record for it?
c# sql-server-2016 service-broker
c# sql-server-2016 service-broker
asked Dec 28 '18 at 11:14
Rob MarshRob Marsh
207313
asked Dec 28 '18 at 11:14
Rob MarshRob Marsh
207313
asked Dec 28 '18 at 11:14
Rob MarshRob Marsh
207313
asked Dec 28 '18 at 11:14
Rob MarshRob Marsh
207313
asked Dec 28 '18 at 11:14
Rob MarshRob Marsh
207313
207313
Are you running a Stored Procedure? The use following : cmd2.CommandType = System.Data.CommandType.StoredProcedure;
– jdweng
Dec 28 '18 at 11:21
@jdweng, the code is clearly not executing a stored procedure.
– Dan Guzman
Dec 28 '18 at 11:53
I don't see anything obvious in the code you posted that would case this error, although I recommend parameterizing theEND CONVERSATIONquery and surrounding in ausingblock like the outer query.
– Dan Guzman
Dec 28 '18 at 12:05
add a comment |
Are you running a Stored Procedure? The use following : cmd2.CommandType = System.Data.CommandType.StoredProcedure;
– jdweng
Dec 28 '18 at 11:21
@jdweng, the code is clearly not executing a stored procedure.
– Dan Guzman
Dec 28 '18 at 11:53
I don't see anything obvious in the code you posted that would case this error, although I recommend parameterizing theEND CONVERSATIONquery and surrounding in ausingblock like the outer query.
– Dan Guzman
Dec 28 '18 at 12:05
Are you running a Stored Procedure? The use following : cmd2.CommandType = System.Data.CommandType.StoredProcedure;
– jdweng
Dec 28 '18 at 11:21
Are you running a Stored Procedure? The use following : cmd2.CommandType = System.Data.CommandType.StoredProcedure;
– jdweng
Dec 28 '18 at 11:21
@jdweng, the code is clearly not executing a stored procedure.
– Dan Guzman
Dec 28 '18 at 11:53
@jdweng, the code is clearly not executing a stored procedure.
– Dan Guzman
Dec 28 '18 at 11:53
I don't see anything obvious in the code you posted that would case this error, although I recommend parameterizing the
END CONVERSATION query and surrounding in a using block like the outer query.– Dan Guzman
Dec 28 '18 at 12:05
I don't see anything obvious in the code you posted that would case this error, although I recommend parameterizing the
END CONVERSATION query and surrounding in a using block like the outer query.– Dan Guzman
Dec 28 '18 at 12:05
add a comment |
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Are you running a Stored Procedure? The use following : cmd2.CommandType = System.Data.CommandType.StoredProcedure;
– jdweng
Dec 28 '18 at 11:21
@jdweng, the code is clearly not executing a stored procedure.
– Dan Guzman
Dec 28 '18 at 11:53
I don't see anything obvious in the code you posted that would case this error, although I recommend parameterizing the
END CONVERSATIONquery and surrounding in ausingblock like the outer query.– Dan Guzman
Dec 28 '18 at 12:05