Examples of com.cloud.exception.AgentUnavailableException

com.cloud.exception.AgentUnavailableException
command.

                if (!(plugNicAnswer != null && plugNicAnswer.getResult())) {
                    s_logger.warn("Unable to plug nic for vm " + vm.getName());
                    result = false;
                }
            } catch (OperationTimedoutException e) {
                throw new AgentUnavailableException("Unable to plug nic for router " + vm.getName() + " in network " + network, dest.getHost().getId(), e);
            }
        } else {
            s_logger.warn("Unable to apply PlugNic, vm " + router + " is not in the right state " + router.getState());


            throw new ResourceUnavailableException("Unable to apply PlugNic on the backend," + " vm " + vm + " is not in the right state", DataCenter.class,

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                if (!(unplugNicAnswer != null && unplugNicAnswer.getResult())) {
                    s_logger.warn("Unable to unplug nic from router " + router);
                    result = false;
                }
            } catch (OperationTimedoutException e) {
                throw new AgentUnavailableException("Unable to unplug nic from rotuer " + router + " from network " + network, dest.getHost().getId(), e);
            }
        } else if (router.getState() == State.Stopped || router.getState() == State.Stopping) {
            s_logger.debug("Vm " + router.getInstanceName() + " is in " + router.getState() + ", so not sending unplug nic command to the backend");
        } else {
            s_logger.warn("Unable to apply unplug nic, Vm " + router + " is not in the right state " + router.getState());

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                throw new CloudRuntimeException("Unable to scale vm due to " + (reconfigureAnswer == null ? "" : reconfigureAnswer.getDetails()));
            }


            success = true;
        } catch (OperationTimedoutException e) {
            throw new AgentUnavailableException("Operation timed out on reconfiguring " + vm, dstHostId);
        } catch (AgentUnavailableException e) {
            throw e;
        } finally {
            if (!success) {
                _capacityMgr.releaseVmCapacity(vm, false, false, vm.getHostId()); // release the new capacity

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    @Override
    protected AgentAttache getAttache(final Long hostId) throws AgentUnavailableException {
        assert (hostId != null) : "Who didn't check their id value?";
        HostVO host = _hostDao.findById(hostId);
        if (host == null) {
            throw new AgentUnavailableException("Can't find the host ", hostId);
        }


        AgentAttache agent = findAttache(hostId);
        if (agent == null) {
            if (host.getStatus() == Status.Up && (host.getManagementServerId() != null && host.getManagementServerId() != _nodeId)) {
                agent = createAttache(hostId);
            }
        }
        if (agent == null) {
          AgentUnavailableException ex = new AgentUnavailableException("Host with specified id is not in the right state: " + host.getStatus(), hostId);
            ex.addProxyObject(ApiDBUtils.findHostById(hostId).getUuid());
            throw ex;
        }


        return agent;
    }

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                        return;
                    }


                    try {
                        if (agent == null || agent.isClosed()) {
                            throw new AgentUnavailableException("Unable to route to agent ", hostId);
                        }


                        if (Request.isRequest(data) && Request.requiresSequentialExecution(data)) {
                            // route it to the agent.
                            // But we have the serialize the control commands here so we have

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            try {
                _agentMgr.send(router.getHostId(), cmds);
            } catch (OperationTimedoutException e) {
                s_logger.debug("Failed to start remote access VPN: ", e);
                throw new AgentUnavailableException("Unable to send commands to virtual router ", router.getHostId(), e);
            }
            Answer answer = cmds.getAnswer("users");
            if (!answer.getResult()) {
                s_logger.error("Unable to start vpn: unable add users to vpn in zone " + router.getDataCenterIdToDeployIn() 
                        + " for account " + vpn.getAccountId() + " on domR: " + router.getInstanceName()

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        Answer[] answers = null;
        try {
            answers = _agentMgr.send(router.getHostId(), cmds);
        } catch (OperationTimedoutException e) {
            s_logger.warn("Timed Out", e);
            throw new AgentUnavailableException("Unable to send commands to virtual router ", router.getHostId(), e);
        }


        if (answers == null) {
            return false;
        }

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    private void sendToSSVM(final long dcId, final Command cmd, final Listener listener) throws AgentUnavailableException {
        List<HostVO> ssAHosts = _ssvmMgr.listUpAndConnectingSecondaryStorageVmHost(dcId);
        if (ssAHosts == null || ssAHosts.isEmpty() ) {
            throw new AgentUnavailableException("No ssvm host found", -1);
        }
        Collections.shuffle(ssAHosts);
        HostVO ssAhost = ssAHosts.get(0);
        send(ssAhost.getId(), new Commands(cmd), listener);
    }

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    @Override
    public Answer[] send(Long hostId, Commands commands, int timeout) throws AgentUnavailableException, OperationTimedoutException {
        assert hostId != null : "Who's not checking the agent id before sending?  ... (finger wagging)";
        if (hostId == null) {
            throw new AgentUnavailableException(-1);
        }


        if (timeout <= 0) {
            timeout = _wait;
        }
        assert noDbTxn() : "I know, I know.  Why are we so strict as to not allow txn across an agent call?  ...  Why are we so cruel ... Why are we such a dictator .... Too bad... Sorry...but NO AGENT COMMANDS WRAPPED WITHIN DB TRANSACTIONS!";


        Command[] cmds = commands.toCommands();


        assert cmds.length > 0 : "Ask yourself this about a hundred times.  Why am I  sending zero length commands?";


        if (cmds.length == 0) {
            commands.setAnswers(new Answer[0]);
        }


        final AgentAttache agent = getAttache(hostId);
        if (agent == null || agent.isClosed()) {
            throw new AgentUnavailableException("agent not logged into this management server", hostId);
        }


        Request req = new Request(hostId, _nodeId, cmds, commands.stopOnError(), true);
        req.setSequence(agent.getNextSequence());
        Answer[] answers = agent.send(req, timeout);

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            return null;
        }
        AgentAttache agent = findAttache(hostId);
        if (agent == null) {
            s_logger.debug("Unable to find agent for " + hostId);
            throw new AgentUnavailableException("Unable to find agent ", hostId);
        }


        return agent;
    }

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Related Classes of com.cloud.exception.AgentUnavailableException

com.cloud.agent.manager.AgentAttache

com.cloud.agent.manager.AgentManagerImpl

com.cloud.agent.manager.ClusteredAgentAttache

com.cloud.agent.manager.ClusteredAgentManagerImpl

com.cloud.agent.manager.ClusteredAgentManagerImpl$ClusteredAgentHandler

com.cloud.agent.manager.ConnectedAgentAttache

com.cloud.cluster.ClusterManagerImpl

com.cloud.ha.KVMFencerTest

com.cloud.network.lb.ElasticLoadBalancerManagerImpl

com.cloud.network.router.VirtualNetworkApplianceManagerImpl

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