ConversionNotSupportedException encountered when deploying a Spring MBeanExporter in JBoss

Solution Verified - Updated -

Issue

  • I have a JMX-enabled bean which fails to initialize on JBoss. The bean is  configured using the Spring Framework MBeanExporter which uses the JBoss class MBeanServerLocator, method locateJBoss to find the JMX server,

    <bean id="mbeanServer" class="org.jboss.mx.util.MBeanServerLocator" factory-method="locateJBoss"/>
    <bean id="exporter" class="org.springframework.jmx.export.MBeanExporter" lazy-init="false">
     <property name="beans">
       <map>
         <entry key="bean:name=SomeService" value-ref="waitTimesService"/>
       </map>
     </property>
    
  • During deployment the following error is encountered:

    ERROR [ContextLoader] Context initialization failed
     org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'exporter' 
     defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; 
     nested exception is org.springframework.beans.ConversionNotSupportedException: Failed to convert 
     property value of type 'org.jboss.mx.server.MBeanServerImpl' to required type 'javax.management.MBeanServer' 
     for property 'server'; nested exception is java.lang.IllegalStateException: Cannot convert value of 
     type [org.jboss.mx.server.MBeanServerImpl] to required type [javax.management.MBeanServer] for property
     'server': no matching editors or conversion strategy found
    
  • It would seem the locateJBoss method is not returning an instance of javax.management.MBeanServer.

Environment

  • JBoss Enterprise Application Platform (EAP) 5.0
  • Spring 3.0

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