Broker:Message Drop Event Class

SQL Server generates a Broker:Message Drop event when Service Broker is unable to retain a received message that should have been delivered to a service in this instance. For messages that should have been forwarded, see Broker:Forwarded Message Dropped Event Class.

Broker:Message Drop Event Class Data Columns

Data column

Type

Description

Column number

Filterable

Application Name

nvarchar

The name of the client application that created the connection to an instance of SQL Server. This column is populated with the values passed by the application rather than the displayed name of the program.

10

Yes

BigintData1

bigint

The sequence number of the dropped message.

52

No

BigintData2

bigint

The sequence number of the last message successfully acknowledged.

53

No

ClientProcessID

int

The ID assigned by the host computer to the process where the client application is running. This data column is populated if the client process ID is provided by the client.

9

Yes

DatabaseID

int

The ID of the database specified by the USE database statement, or the ID of the default database if no USE database statement has been issued for a given instance. SQL Server Profiler displays the name of the database if the Server Name data column is captured in the trace and the server is available. Determine the value for a database by using the DB_ID function.

3

Yes

Error

int

The message id number in sys.messages for the text in the event.

31

No

EventClass

int

The type of event class captured. Always 160 for Broker:MessageDrop.

27

No

EventSequence

int

Sequence number for this event.

51

No

EventSubClass

nvarchar

Indicates whether the dropped message was a sequenced message. One of two values:

  • Sequenced Message. The dropped message was a sequenced message.

  • Unsequenced Message. The dropped message was not a sequenced message.

21

Yes

GUID

uniqueidentifier

The conversation ID of the conversation that the dropped message belongs to. This identifier is transmitted as part of the message, and is shared between both sides of the conversation.

54

No

HostName

nvarchar

The name of the computer on which the client is running. This data column is populated if the host name is provided by the client. To determine the host name, use the HOST_NAME function.

8

Yes

IntegerData

int

The fragment number of the dropped message.

25

No

IntegerData2

int

The message fragment number that the dropped message was acknowledging.

55

No

IsSystem

int

Indicates whether the event occurred on a system process or a user process. 1 = system, 0 = user.

60

No

LoginName

nvarchar

The name of the login of the user (either SQL Server security login or the Windows login credentials in the form of DOMAIN\Username).

11

No

LoginSid

image

The security identification number (SID) of the logged-in user. Each SID is unique for each login in the server.

41

Yes

NTDomainName

nvarchar

The Windows domain to which the user belongs.

7

Yes

NTUserName

nvarchar

The name of the user that owns the connection that generated this event.

6

Yes

ObjectName

nvarchar

The conversation handle of the dialog.

34

No

RoleName

nvarchar

The role of the conversation handle. This is either initiator or target.

38

No

ServerName

nvarchar

The name of the instance of SQL Server being traced.

26

No

Severity

int

Severity number for the text in the event.

29

No

SPID

int

The server process ID assigned by SQL Server to the process associated with the client.

12

Yes

StartTime

datetime

The time at which the event started, when available.

14

Yes

State

int

Indicates the location within the SQL Server source code that produced the event. Each location that may produce this event has a different state code. A Microsoft support engineer can use this state code to find where the event was produced..

30

No

TextData

ntext

The reason that SQL Server dropped the message.

1

Yes

TransactionID

bigint

The system-assigned ID of the transaction.

4

No