19.6. Using Runtime Configuration Management

Metro supports a feature we will be calling Web Services Runtime Configuration Management (WS-CM) from here on. It allows to reconfigure a running web service instance without losing any messages. The web service does not have to be redeployed or restarted. All configuration changes are persisted across application redeployments and server restarts.

Metro provides an easy to use management interface based on JMX to reconfigure web service instances. Any WS-Policy expression that is supported by Metro may be used through that interface. This chapter explains how to deploy reconfigurable web services, how to author new policy expressions and how to implement management clients that can reconfigure manageable web services.


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