Message Header Update AMQ during Retry

[Skanda <sh...@gmail.com>]

I have a requirement where I have to add and update message header in case
of message retry.

Here is my listener or consumer. My message is getting retried but I am
getting Exception when setting the header. Please advise the correct way of
doing this.

As per JMS spec and it says that Message Headers are never read-only.

javax.jms.MessageNotWriteableException: Message properties are read-only

public void onMessage(Message message) {
    if (message != null && message instanceof TextMessage) {
        TextMessage textMessage = (TextMessage) message;
        try {
            String input = textMessage.getText();
            throw new Exception();
        } catch (Throwable t) {
            t.printStackTrace();
            try {
                message.setStringProperty("retryable","YES");
            } catch (JMSException e) {
                e.printStackTrace();
            }
            throw new RuntimeException(t);
        }
    }
}



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Re: Message Header Update AMQ during Retry

["nix.huang" <ja...@hotmail.com>]

the default ACKNOWLEDGE mode is AUTO_ACKNOWLEDGE.when receive() returns the
message acknowledged,
you can use CLIENT_ACKNOWLEDGE mode alternatively.
for example:
session = connection.createSession(true, Session.CLIENT_ACKNOWLEDGE);
....
Message msg = ...
message.acknowledge();



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