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| Value for wildcardFormat property on TopicConnectionFactory |
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Message
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| igor.beslic |
 Posted: Fri Aug 27, 2010 2:48 am Post subject: Value for wildcardFormat property on TopicConnectionFactory |
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Novice
Joined: 15 Oct 2009
Posts: 14
Location: Zagreb, Croatia
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Hi,
do anybody know what is right value for wildcardFormat parameter on MQ JCA adapter topic connection factory. I use v7 wmq.jmsra.rar deployed to JBoss AS 5.1.0. and I'm trying to subscribe to tpics defined with expression: PRICES/ZSE/*. From Information Center at http://publib.boulder.ibm.com/infocenter/wmqv7/v7r0/index.jsp?topic=/com.ibm.mq.amqzao.doc/fm14400_.htm I found that VALUE for version of wildcard syntax is to be used should be CHAR_ONLY. Unfortunetly AppSrv container cannot initalize TopicConnection Factory with that value.
Topic connection factory JNDI setup:
| Code: |
<tx-connection-factory>
<!-- Bind this ConnectionFactory with the JNDI name wmq/RBAEBroker -->
<jndi-name>wmqTCF</jndi-name>
<!-- Indicate that the connection factory supports XA transactions -->
<xa-transaction />
<!-- rar-name is the actual RAR file name, in this case wmq.jmsra.rar -->
<rar-name>wmq.jmsra.rar</rar-name>
<!-- connection-definition is the ConnectionFactory interface
defined in the ra.xml -->
<connection-definition>javax.jms.TopicConnectionFactory</connection-definition>
<!--
Configuration for the ConnectionFactory. This defines the channel, hostname, port,
queueManager, and transportType properties for a client (TCP/IP) connection to WMQ
-->
<config-property name="channel" type="java.lang.String">SYSTEM.DEF.SVRCONN</config-property>
<config-property name="hostName" type="java.lang.String">MQHOST</config-property>
<config-property name="port" type="java.lang.String">1414</config-property>
<config-property name="queueManager" type="java.lang.String">QM_IGOR</config-property>
<config-property name="transportType" type="java.lang.String">CLIENT</config-property>
<config-property name="username" type="java.lang.String">igorb</config-property>
<config-property name="messageRetention" type="java.lang.Boolean">true</config-property>
<config-property name="providerVersion" type="java.lang.String">7</config-property>
<config-property name="wildcardFormat" type="java.lang.String">CHAR_ONLY</config-property>
<!-- define security domain -->
<security-domain-and-application>JmsXARealm</security-domain-and-application>
</tx-connection-factory>
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Code used to read from topic:
| Code: |
@Resource(mappedName="java:/wmqTCF")
private TopicConnectionFactory wmqTCF;
...
...
final String pricesTopicStr = "PRICES/ZSE/*";
TopicConnection tc = wmqTCF.createTopicConnection();
tc.start();
TopicSession ts = tc.createTopicSession(false,Session.AUTO_ACKNOWLEDGE);
Topic feedTopic = ts.createTopic(transTopicStr);
TopicSubscriber subscriber = ts.createSubscriber(feedTopic);
Message msg = subscriber.receive();
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Call to
| Code: |
| wmqTCF.createTopicConnection() |
causes exception:
| Code: |
com.ibm.mq.connector.DetailedInvalidPropertyException: MQJCA3001: Value 'CHAR_ONLY' for the property 'wildcardFormat' is not valid, error code: MQJCA3001 A property of an ActivationSpec or ManagedConnectionFactory object has a value that is not valid. Supply a valid value for the property.
at com.ibm.mq.connector.services.JCAExceptionBuilder.buildException(JCAExceptionBuilder.java:135)
at com.ibm.mq.connector.AbstractConfiguration.validate(AbstractConfiguration.java:1847) |
Please help... |
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| igor.beslic |
| Posted: Fri Aug 27, 2010 3:22 am Post subject: |
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Novice
Joined: 15 Oct 2009
Posts: 14
Location: Zagreb, Croatia
|
Hi,
I've decompiled ConnectionFactory, the property is an integer so changing cf con to:
| Code: |
| <config-property name="wildcardFormat" type="java.lang.Integer">0</config-property> |
makes failing line of code to pass.
Now, my code stucks at:
| Code: |
| Message msg = subscriber.receive(); |
and waits forever. It is wierd because in MQ Explorer I made test subscription to same topic and I see messages.
Also in MQ Explorer Subscriptions overview I see both subscriptions, one test and one from jboss.
In addition I have slightly complicated MQ API application that also connects to same topic and perfectly reads contents of same wildcarded topic. |
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| mqjeff |
| Posted: Fri Aug 27, 2010 4:13 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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| igor.beslic |
| Posted: Mon Aug 30, 2010 2:35 am Post subject: |
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Novice
Joined: 15 Oct 2009
Posts: 14
Location: Zagreb, Croatia
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mqjeff,
you were right regarding constants but while observing subscriptions in MQ Explorer I was surprised to see that jboss subscription no matter what wildcardFormat parameter is, always connects with wildcard usage "Topic level wildcard".
I double checked jboss log, and there is trace that connector reads value from resource adapter descriptor correctly and sets value corectly. But when subscription is made, wildcardFormat is configured as Topic level wildcard.
I'll try to figure how to set it programaticly. |
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| igor.beslic |
| Posted: Mon Aug 30, 2010 4:23 am Post subject: |
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Novice
Joined: 15 Oct 2009
Posts: 14
Location: Zagreb, Croatia
|
At the end, I've changed topic string to "PRICES/ZSE/+" and now I'm receiving messages.
Regarding playing with JCA parameters to topicConnectionFactory I have final conclusion:
setting wildcardFormat and brokerVersion parameters at MQ JCA adapter descriptor for topicConnectionFactory does not influence on wildcard usage - what ever I've put there my code listed in first post always use Topic level wildcard. |
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