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Date: Thu, 17 Jan 2008 00:16:45 -0800 (PST)
From: "Christian Burger (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Created: (AMQ-1551) ActiveMQ as foreign JMS provider to BEA
 WLS 8.1/10
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ActiveMQ as foreign JMS provider to BEA WLS 8.1/10
--------------------------------------------------

                 Key: AMQ-1551
                 URL: https://issues.apache.org/activemq/browse/AMQ-1551
             Project: ActiveMQ
          Issue Type: Bug
    Affects Versions: 4.1.1
         Environment: BEA WLS 8.1/10
SuSE SLES 9
            Reporter: Christian Burger


During evaluation of ActiveMQ we found incompatibilties=B4of MQ with BEA WL=
S 8.1 and WLS 10. We contacted the BEA support - they where investigating a=
nd pinpointed the problem:

Hello ,

This is regarding your support case ABCDEF titled Need help in configuring =
message bridge with ActiveMQ. Here I am with the response from the next lev=
el of support team on the following NullPointerException that I am getting =
while configuring a message bridge with WLS. It is observed that even other=
 customers are also observing the same exception while configuring a messag=
e bridge with ActiveMQ.

<AdminServer> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Defa=
ult (self-tuning)'> <<anonymous>> <> <> <1197983909603> <BEA-000000> <Excep=
tion:
javax.jms.JMSException: java.lang.NullPointerException
at org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.=
java:46)
at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection=
.java:1181)
at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1551)
at org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer=
.java:465)
at org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer=
.java:356)
at weblogic.jms.adapter.JMSBaseConnection.sendInternal(JMSBaseConnection.ja=
va:794)
at weblogic.jms.adapter.JMSBaseConnection.access$200(JMSBaseConnection.java=
:84)
at weblogic.jms.adapter.JMSBaseConnection$6.run(JMSBaseConnection.java:707)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSu=
bject.java:363)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.jms.adapter.JMSBaseConnection.send(JMSBaseConnection.java:704)


It is confirmed that this is not an issue with WLS, but Active MQ not setti=
ng the JMS Destination after the message is sent. As per the JMS specificat=
ion, it states that the JMSDestination should be set AFTER the message is s=
ent. In the case of a client contacting weblogic, this should be the wlclie=
nt.jar classes, as these are used to handle the connection; in the case of =
wls -> wls via messaging bridge, it will still be the same classes, althoug=
h these will embedded within the JMS server.

In the case of WLS -> ActiveMQ via a messaging bridge, the messaging bridge=
 will create a connection to ActiveMQ using the ActiveMQ client classes. Th=
e messaging bridge won't be able to set the JMSDestination, because it can'=
t be done after the message is sent. It can be done by either the ActiveMQ =
client classes or the ActiveMQ JMS server, becasue these will handle the po=
st send method methods.


--=20
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