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Configure connection factory default delivery parameters

After you configure a connection factory, you can define various default message delivery parameters. For example, if a client does not specify certain delivery parameters then the value of those parameters can be controlled with the default delivery parameters on this page. In addition, you can associate a unit-of-order with all sessions created from a factory configured with unit-of-order enabled, and, optionally, a name provided. As a result, all sessions created from this connection factory will have unit-of-order enabled. All messages produced from the same session will belong to the same unit-of-order. Messages from different sessions belong to different unit-of-orders.

To configure default delivery parameters on a connection factory:

1. If you have not already done so, in the Change Center of the Administration Console, click Lock & Edit (see Use the Change Center).

2. In the Administration Console, navigate to the connection factory resource that you want to configure:

   • Navigate to JMS Resources in System Modules

   • Navigate to JMS resources in an application module

3. Click the Configuration > Default Delivery tab.

4. On the Default Delivery page:

   1. In Default Priority, specify the default priority used for messages when a priority is not explicitly defined.

   2. In Default Time-To-Live, specify the maximum length of time, in milliseconds, that a message will exist. This value is used for messages when a priority is not explicitly defined.

   3. In Default Time-To-Deliver, specify the delay time, in milliseconds, between when a message is produced and when it is made visible on its destination.

   4. In Default Delivery Mode, select the delivery mode (Persistent or Non-Persistent) assigned to all messages sent by a producer using this connection factory.

   5. In Default Redelivery, specify the delay time, in milliseconds, before rolled back or recovered messages are redelivered.

   6. In Default Compression Threshold, specify the number of bytes for a serialized message body so any message that exceeds this limit will trigger message compression when the message is sent or received by the JMS message producer or consumer.

   7. In Default Unit-of-Order for Producer, select the default Unit-of-Order producer for this connection factory. Select System-generated to allow the system to generate a Unit-of-Order name. Select User-Generated to set the unit-of-order name to the name specified in the User-generated Unit-of-Order Name field.

   8. In User-generated Unit-of-Order Name, specify a Unit-of-Order Name when the Default Unit-of-Order Producer is set to User-generated.

   For more information about these fields, see Configuration Options.

5. Save your changes:

   • Save Changes to JMS Resources in System Modules

   • Save changes to JMS resources in an application module

6. To activate these changes, in the Change Center of the Administration Console, click Activate Changes.
   Not all changes take effect immediately—some require a restart (see Use the Change Center).

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