Durability

The Durability property specifies whether or not the subscriber to this JMS connection is durable. When a subscriber is nondurable, the client sees messages on a topic only when the subscriber is active. If messages are published when the subscriber is inactive, the messages are lost. This property applies to topic subscribers only, and is specified in the Basic properties dialog.

When a subscriber is durable, messages are not lost even when the subscriber is inactive because the message server retains the messages until they are retrieved by the subscriber or until the messages expire. A durable subscriber registers with the message server as a durable subscriber with the name source_destination, for example, topicA_CollaborationA. When a subscriber becomes inactive, the message server retains the unexpired messages for a subsequent subscriber object with the same identity to resume the subscription. Note that there is a trade-off in performance.

Allowed Values

Durable or Nondurable.

Default Value

By default, JMS client connections are Durable.