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Only for MB 3.2.0. Therefore, this section will be valid for EI 6.1.0.

Configuring per-message acknowledgment

With Per Message Acknowledge we can acknowledge each message as per requirement. Any message that is not acknowledged will go through the same process as when client acknowledged such as the message getting rejected.

Following is a sequence diagram on how an example scenario will work:

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Use the enum org.wso2.andes.jms.Session.PER_MESSAGE_ACKNOWLEDGE available in the andes-client jar or the value 259 when creating the session.

import org.wso2.andes.jms.Session;
QueueSession queueSession = queueConnection.createQueueSession(false, Session.PER_MESSAGE_ACKNOWLEDGE);

or,

QueueSession queueSession = queueConnection.createQueueSession(false, 259);