JmxMbeanHelper.java 文件源码

/**
 * Registers an mBean at an MBeanServer. If there is already an mbean registered
 * under the specified name, it is first de-registered.
 *
 * @param name  the objectName
 * @param mbean the modelMbean to register
 * @throws ConfigurationException
 */
private static void registerMBean(ObjectName name, RequiredModelMBean mbean) throws ConfigurationException {
    MBeanServer server = getMBeanServer();
    if (server != null) {
        LOG.debug("got an MBean server");
        try {
            if (server.isRegistered(name)) {
                LOG.debug("unregistering [" + name.getCanonicalName() + "] as it already exists");
                server.unregisterMBean(name);
            }
            server.registerMBean(mbean, name);
        } catch (InstanceAlreadyExistsException iae) {
            LOG.warn("Could not register mbean " + iae.getMessage());
        } catch (Exception e) {
            throw new ConfigurationException(e);
        }
        LOG.debug("MBean [" + name.getCanonicalName() + "] registered");
    } else {
        LOG.warn("No MBean server found");
    }
}