[jboss-dev-forums] [Design of POJO Server] - Re: migrating TransactionManager and Invokers to POJO

[adrian@jboss.org]

"jhalliday" wrote : 
  | <?xml version="1.0" encoding="UTF-8"?>
  |   | <deployment xmlns="urn:jboss:bean-deployer:2.0">
  |   | 
  |   |     <bean name="MBeanExporter" class="org.jboss.system.microcontainer.jmx.ServiceControllerLifecycleCallback">
  |   |         <property name="serviceController"><inject bean="JMXKernel" property="serviceController"/></property>
  |   |     </bean>
  |   |     <bean name="TransactionManager" class="com.arjuna.ats.jbossatx.jta.TransactionManagerService">
  |   |       <annotation>@org.jboss.aop.microcontainer.aspects.jmx.JMX(name="jboss:service=TransactionManager", exposedInterface=com.arjuna.ats.jbossatx.jta.TransactionManagerServiceMBean.class, registerDirectly=true)</annotation>
  |   | 
  |   |         <property name="transactionTimeout">300</property>
  |   |         <property name="objectStoreDir">${jboss.server.data.dir}/tx-object-store</property>
  |   | 
  |   |         <install bean="MBeanExporter" method="install">
  |   |            <parameter><inject fromContext="context"/></parameter>
  |   |         </install>
  |   |         <uninstall bean="MBeanExporter" method="uninstall">
  |   |            <parameter><inject fromContext="context"/></parameter>
  |   |         </uninstall>
  |   |     </bean>
  |   | 
  |   | </deployment>
  |   | 
  | 
  | So now I get two copies of the transaction manager bean instantiated. Huh? I want one instance, not two. Where the heck did the other one come from? I guess perhaps I've not expressed the desired config properly? I want one object behaving as both a bean and an mbean, not two separeate objects. Is there some other way of achieving that?
  | 

Either use @JMX attribute or the MBeanExporter, don't do both.
You don't have two objects, you have two attempts at MBeanRegistration.


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