Administration Console

9.2.7
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Receive Queue

View a list of active receive, onMessage, and onEvent activities. These activities are queued for incoming messages.

Use the controls on this page to set the size for how many queued receives to hold in memory to reduce the number of queries to the database. Sizing depends on server memory constraints.

The information on this page is as follows:

Unmatched Correlated Receive Timeout: The amount of time (in seconds) that the engine waits for a correlated message to be matched to a receive activity. This is only if the message arrives before the activity becomes active. If a correlated message takes longer than the specified time to be matched, the engine discards the message and you see a correlation violation exception

The default value is 30 seconds. To avoid many unconsumed messages on the server, set this value to a low number. If you set this value to specify zero seconds, the engine discards all unmatched correlated messages immediately.

When you click the Clock icon
, you see the duration-chooser dialog box.

For more details, see
Server Properties
.
Unmatched Correlated Receive Count: The maximum number of unmatched correlated receives the engine will hold in memory at a time. When this limit is crossed, the engine rejects unmatched correlated receives; starting from the oldest, to make room for newer receives.
For more details, see
System Performance
.
Queued Receive Cache Size: The size of the cache memory that holds activity information when the system is busy with other requests.

You can also change any of the values displayed for these three fields.

If events are displayed, select a receive and then select a partner link to view details. A window opens where you can see the BPEL process location in which the receive activity executes. You can also see the correlation property alias and data, if any, associated with this receive activity

If you click on:

Process ID
:

Active Process

page displays.

Partner Link
: Customer Link page displays

The information displayed for a receive queue item is:

Item	Meaning
Process ID	Process Instance ID. You can find this Id on the Active Processes page.
Partner Link	The partner link for the item in the receive queue. A partner link is a communication exchange between two partners. In the most basic form, the process is a partner link of an external service, receiving a request from it. A partner link defines the role that the process plays (if any) and the role that the partner service plays (if any) in the particular exchange
Port Type	The port type, which is a port type in WSDL is a set of related operations such as receive, reply, and invoke include operations.
Operation	The operation that just executed.