Examples of org.rhq.enterprise.server.core.comm.ServerCommunicationsServiceMBean.pingEndpoint()

Package org.rhq.enterprise.server.core.comm

Class org.rhq.enterprise.server.core.comm.ServerCommunicationsServiceMBean

Examples of org.rhq.enterprise.server.core.comm.ServerCommunicationsServiceMBean.pingEndpoint()

org.rhq.enterprise.server.core.comm.ServerCommunicationsServiceMBean.pingEndpoint()
This will perform an ad-hoc, low-level ping to the given endpoint. This is usually reserved for those callers that need to confirm that an endpoint exists and can be communicated with, before being added as an official agent endpoint. @param endpoint the endpoint to ping @param timeoutMillis the timeout, in milliseconds, to wait for the ping to return @return true if connectivity to the given endpoint was verified; false if for somereason the endpoint could not be pinged

    private void pingEndpoint(String endpoint) throws AgentRegistrationException {
        AgentRegistrationException failure = null;


        try {
            ServerCommunicationsServiceMBean sc = ServerCommunicationsServiceUtil.getService();
            boolean ping = sc.pingEndpoint(endpoint, 10000L);


            if (!ping) {
                // this is mainly to support agentspawn environments but I suppose this could happen
                // on "real" systems.  If the agent's machine is heavily loaded, it is possible that
                // the agent wasn't given enough time to respond to the ping.  Let's at least try

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                // on "real" systems.  If the agent's machine is heavily loaded, it is possible that
                // the agent wasn't given enough time to respond to the ping.  Let's at least try
                // one more time, because once this ping failure is confirmed, it means the agent
                // will be dead in the water and hang until an admin can reconfigure it (a second
                // failure probably means it really is a configuration problem)
                ping = sc.pingEndpoint(endpoint, 20000L);


                if (!ping) {
                    failure = new AgentRegistrationException("Server cannot ping the agent's endpoint. "
                        + "The agent's endpoint is probably invalid "
                        + "or there is a firewall preventing the server from connecting to the agent. " + "Endpoint: "

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