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From: Sachindra Nath <Sachindra.Nath@efi.com>
To: "users@activemq.apache.org" <users@activemq.apache.org>
Date: Tue, 20 Apr 2010 01:46:51 -0700
Subject: RE: ActiveMQ RA: how to make MDB with CLIENT_ACKNOWLEDGE?
Thread-Topic: ActiveMQ RA: how to make MDB with CLIENT_ACKNOWLEDGE?
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Hi Ivan,
  You can't do that. It'd be against the EJB specifications. See below:

5.4.14 Message Acknowledgment for JMS Message-Driven Beans
JMS message-driven beans should not attempt to use the JMS API for message =
acknowledgment. Message
acknowledgment is automatically handled by the container. If the message-dr=
iven bean uses container-
managed transaction demarcation, message acknowledgment is handled automati=
cally as a part of
the transaction commit. If bean-managed transaction demarcation is used, th=
e message receipt cannot be
part of the bean-managed transaction, and, in this case, the receipt is ack=
nowledged by the container. If
bean-managed transaction demarcation is used, the Bean Provider can indicat=
e whether JMS
AUTO_ACKNOWLEDGE semantics or DUPS_OK_ACKNOWLEDGE semantics should apply by=
 using the
activationConfig element of the MessageDriven annotation or by using the ac=
tivation-
config-property deployment descriptor element. The property name used to sp=
ecify the
acknowledgment mode is acknowledgeMode. If the acknowledgeMode property is =
not specified,
JMS AUTO_ACKNOWLEDGE semantics are assumed. The value of the acknowledgeMod=
e property
must be either Auto-acknowledge or Dups-ok-acknowledge for a JMS message-dr=
iven bean.

Regards
Sachindra

-----Original Message-----
From: Ivan Pechorin [mailto:ivan.pechorin@gmail.com]
Sent: Monday, April 19, 2010 5:56 PM
To: users@activemq.apache.org
Subject: ActiveMQ RA: how to make MDB with CLIENT_ACKNOWLEDGE?


Hello

We have a message-driven bean in JBoss with ActiveMQ resource adapter (RA).
It seems like ActiveMQ RA doesn't support CLIENT_ACKNOWLEDGE mode. It
supports only DUPS_OK_ACKNOWLEDGE and AUTO_ACKNOWLEDGE modes.

Basically, I need to be able to leave a message in queue if something bad
happened inside method onMessage() of my MDB. How can I achieve this?

P.S. Any help of link to proper piece of documentation is highly appreciate=
d
(I failed to find it).

Best regards, Ivan
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