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MQSeries.net Forum IndexIBM MQ Java / JMSWoriking JMS with multi instance QM

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alaychem
PostPosted: Tue Jan 01, 2019 6:13 am Post subject: Woriking JMS with multi instance QM Reply with quote

Acolyte

Joined: 10 Feb 2016
Posts: 65

** Moved from broker support forum**
As part of a IIB migration process, we switch from one local MQ to distant Multi instance gateway.
One of the tasks is to read (and write) JMS messages from that MQ.

We use com.ibm.mq.jms.Nojndi as initial context factory, and we use the common URI syntax to define the connection factory
https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_7.5.0/com.ibm.mq.ref.dev.doc/q108010_.htm

We used to configure the MQ connection with:
Code:
mqsichangeproperties BROKER -c JMSProviders -o WebSphere_MQ -n ConnectionFactoryName -v "(connectQueueManager(QMGR)binding(auto))"


I changed it to:
Code:
mqsichangeproperties BROKER -c JMSProviders -o WebSphere_MQ -n ConnectionFactoryName -v "(connectQueueManager(QMGR)binding(client)clientChannel(SOME.CHANNEL)clientConnection(\"host-of-mq-gw-1:1234,host-of-mq-gw-2:1234\"))"


But it didn't work (weird exceptions were thrown and messages were not read from queue)

Now I use:
Code:

mqsichangeproperties BROKER -c JMSProviders -o WebSphere_MQ -n ConnectionFactoryName -v "(connectQueueManager(QMGR)binding(client)clientChannel(SOME.CHANNEL)clientConnection(host-of-mq-gw-1:1234))"


But it will not connect to the other MQ instance in case of failover.

fjb_saper offered me to use CCDT, but I can't realize how to use it in the connectionFactory
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fjb_saper
PostPosted: Tue Jan 01, 2019 6:22 am Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20091
Location: LI,NY

you might have more success using a JNDI type factory than a non JNDI type.
The non JNDI type will have limited support and only allow for the stuff IBM preprogrammed into it i.e. if it is simple it just works; if it gets more comples you're SOL
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