[jira] Updated: (AXIS2-4784) Transport MBean Registration Error at Startup

["Hiranya Jayathilaka (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AXIS2-4784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hiranya Jayathilaka updated AXIS2-4784:
---------------------------------------

    Attachment: AXIS2-4784.patch

Here's a quick fix for the problem at hand. It appends the object hashcode to the MBean name to make it unique. Since the hashcode values are generally short in length, names do not become ridiculously longer as in the case of appending a UUID. 

> Transport MBean Registration Error at Startup
> ---------------------------------------------
>
>                 Key: AXIS2-4784
>                 URL: https://issues.apache.org/jira/browse/AXIS2-4784
>             Project: Axis2
>          Issue Type: Bug
>          Components: transports
>    Affects Versions: nightly
>            Reporter: Hiranya Jayathilaka
>             Fix For: 1.6
>
>         Attachments: AXIS2-4784.patch
>
>
> When initializing multiple configuration context instances in the same application (say client cfgCtx and server cfgCtx) the following exception might be thrown if the same transport listener or sender is configured in multiple axis2.xml files:
> [2010-07-20 17:19:59,815] WARN {org.apache.axis2.transport.base.TransportMBeanSupport} - Error registering a MBean with objectname ' org.apache.axis2:Type=Transport,ConnectorName=tcp-sender ' for JMX management
> javax.management.InstanceAlreadyExistsException: org.apache.axis2:Type=Transport,ConnectorName=tcp-sender
> at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:453)
> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1484)
> This is because when we take a particular transport listener or a sender they use the same name to register their JMX MBeans. Transports should use more unique names when registering their MBeans.

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