[jboss-user] [Beginner's Corner] - How to set the maxSession for an MDB at runtime in JBoss 7?

[magnus byne]

magnus byne [https://community.jboss.org/people/magnusb] created the discussion

"How to set the maxSession for an MDB at runtime in JBoss 7?"

To view the discussion, visit: https://community.jboss.org/message/717292#717292

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In JBoss 5.1 I was able to have an ejb-jar.xml that referenced a system property for setting the maxSessions for an MDB. But in JBoss AS 7, if I use a variable the setting is not applied.
This is a problem as the ejb-jar.xml is compiled into the ear file, and I need to be able to set this value as runtime. Is there a way to set the maxsessions for an MDB in jboss as 7 at run time?

e.g. working config in jboss 5.1:

<ejb-jar xmlns=" http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee" xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation=" http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee  http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd"
          version="3.0">
          <description>Deployment descriptor</description>
          <enterprise-beans>
                    <message-driven>
                              <ejb-name>WorkerMdb</ejb-name>
                              <messaging-type>javax.jms.MessageListener</messaging-type>
                              <message-destination-type>javax.jms.Queue</message-destination-type>
                              <activation-config>
                                        <activation-config-property>
                                                  <activation-config-property-name>maxSession</activation-config-property-name>
                                                  <activation-config-property-value>*${worker.threads:8}*</activation-config-property-value>
                                        </activation-config-property>
                              </activation-config>
                    </message-driven>
          </enterprise-beans>
</ejb-jar>
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