[ https://jira.fiware.org/browse/HELP-19980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Fox resolved HELP-19980.
------------------------------
Resolution: Fixed
> [fiware-stackoverflow] FIWARE IoTAgent-ul and IoTAgent-json error log
> ---------------------------------------------------------------------
>
> Key: HELP-19980
> URL: https://jira.fiware.org/browse/HELP-19980
> Project: Help-Desk
> Issue Type: Monitor
> Components: FIWARE-TECH-HELP
> Reporter: Backlog Manager
> Assignee: Jason Fox
> Labels: docker-compose, fiware, fiware-orion, http, mqtt
>
> Created question in FIWARE Q/A platform on 23-08-2022 at 12:08
> {color: red}Please, ANSWER this question AT{color} https://stackoverflow.com/questions/73458778/fiware-iotagent-ul-and-iotagent-json-error-log
> +Question:+
> FIWARE IoTAgent-ul and IoTAgent-json error log
> +Description:+
> there are two existing IoT agents in our application, one is iotagent-ul(over HTTP), another is lwm2m-iotagent(over HTTP). Recently in order to integrate new sensors, I need to add a new iotagent-json(over MQTT). After bringing up the system, there is some strange error log as I pasted at the end:
> (1) iotagent-ul is over HTTP, IOTA_DEFAULT_TRANSPORT is not defined in iotagent-ul, just use the default value HTTP, but iotagent-ul always complains that "Couldn't connect with MQTT broker" and "Error: Callback was already called", why will iotagent-ul try to connect MQTT broker?
> (2) iotagent-json is defined with IOTA_DEFAULT_TRANSPORT=MQTT, but it also reports a error for IOTAJSON.AMQP.Binding, should I just ignore it?
> These containers can run up, but an endless error log is thrown out in the console. BTW, before adding the new iotagent-json, these two previous iotagent-ul and lwm2m-iotagent can work properly.
> Could you help me view the error info and the IoT agents definition in yml? Any comments are appreciated, thank you very much.
> 1 The services defined in docker-compose.yml file:
> # IoT Agents ##################################################################
> iot-agent-ul:
> image: fiware/iotagent-ul
> hostname: iot-agent-ul
> container_name: fiware-iot-agent-ul
> depends_on:
> - mongo-db
> networks:
> - default
> expose:
> - "4041"
> - "7896"
> ports:
> - "4041:4041"
> - "7896:7896"
> environment:
> - "IOTA_CB_HOST=orion" # name of the context broker to update context
> - "IOTA_CB_PORT=1026" # port the context broker listens on to update context
> - "IOTA_CB_NGSI_VERSION=v2" # NGSI version to use
> - "IOTA_NORTH_PORT=4041" # port for devices provisioning
> - "IOTA_REGISTRY_TYPE=mongodb" #Whether to hold IoT device info in memory or in a database
> - "IOTA_LOG_LEVEL=ERROR" #The log level of the IoT Agent
> - "IOTA_TIMESTAMP=true" # whether to include or not the timestamp
> - "IOTA_MONGO_HOST=mongo-db" # The host name of MongoDB
> - "IOTA_MONGO_PORT=27017" # The port mongoDB is listening on
> - "IOTA_MONGO_DB=iotagentul" # The name of the database used in mongoDB
> - "IOTA_HTTP_PORT=7896" # The port used for device traffic over HTTP
> - "IOTA_PROVIDER_URL=http://iot-agent-ul:4041" # URL of the agent
> - "IOTA_AUTOCAST=true" # autocasting of values into NGSI standard
> iot-agent-lwm2m:
> image: hopu/lwm2m-iotagent:observe-and-read
> hostname: iot-agent-lwm2m
> container_name: fiware-iot-agent-lwm2m
> expose:
> - "4042"
> - "5683"
> ports:
> - "4042:4042"
> - "5683:5683/udp"
> environment:
> - "IOTA_CB_HOST=orion" # name of the context broker to update context
> - "IOTA_CB_PORT=1026" # port the context broker listens on to update context
> - "IOTA_NORTH_PORT=4042" # port for devices provisioning
> - "IOTA_REGISTRY_TYPE=mongodb" # whether to hold IoT device info in memory or in a database
> - "IOTA_LOG_LEVEL=ERROR" #The log level of the IoT Agent
> - "IOTA_TIMESTAMP=true" # whether to include or not the timestamp
> - "IOTA_MONGO_HOST=mongo-db" # The host name of MongoDB
> - "IOTA_MONGO_PORT=27017" # The port mongoDB is listening on
> - "IOTA_MONGO_DB=iotagentlwm2m" # The name of the database used in mongoDB
> - "IOTA_HTTP_PORT=5683" # The port used for device traffic over HTTP
> - "IOTA_PROVIDER_URL=http://iot-agent-lwm2m:4042" # URL of the agent
> - "IOTA_AUTOCAST=true" # autocasting of values into NGSI standard
> volumes:
> - "./iota-lwm2m/config.js:/opt/iota-lwm2m/config.js"
> - "./iota-lwm2m/omaRegistry.json:/opt/iota-lwm2m/omaRegistry.json"
> - "./iota-lwm2m/omaInverseRegistry.json:/opt/iota-lwm2m/omaInverseRegistry.json"
> restart: on-failure
> depends_on:
> - mongo-db
> - orion
> networks:
> - default
> iot-agent-json:
> image: fiware/iotagent-json:latest
> hostname: iot-agent-json
> container_name: fiware-iot-agent-json
> depends_on:
> - mongo-db
> - mosquitto
> expose:
> - "4043"
> - "7896" # No traffic,7896 is the http listening port for sensors
> ports:
> - "4043:4043"
> - "7898:7898" # No traffic
> environment:
> - "IOTA_CB_HOST=orion" # name of the context broker to update context
> - "IOTA_CB_PORT=1026" # port the context broker listens on to update context
> - "IOTA_NORTH_PORT=4043" # port for devices provisioning
> - "IOTA_REGISTRY_TYPE=mongodb" # Whether to hold IoT device info in memory or in a database
> - "IOTA_LOG_LEVEL=DEBUG" # The log level of the IoT Agent
> - "IOTA_TIMESTAMP=true" # whether to include or not the timestamp
> - "IOTA_CB_NGSI_VERSION=v2" # NGSI version to use
> - "IOTA_AUTOCAST=true" # autocasting of values into NGSI standard
> - "IOTA_MONGO_HOST=mongo-db" # The host name of MongoDB
> - "IOTA_MONGO_PORT=27017" # The port mongoDB is listening on
> - "IOTA_MONGO_DB=iotagentjson" # The name of the database used in mongoDB
> - "IOTA_HTTP_PORT=7898" # The port used for device traffic over HTTP
> - "IOTA_PROVIDER_URL=http://iot-agent:4043" # URL of the agent
> - "IOTA_DEFAULT_RESOURCE=/iot/json" # IOTA_PROVIDER_URL, the default path the IoT Agent uses listening for JSON measures over HTTP.
> - "IOTA_MQTT_HOST=mosquitto" # MQTT broker service
> - "IOTA_MQTT_PORT=1883" # MQTT service port
> - "IOTA_DEFAULT_TRANSPORT=MQTT" # ---
> - "IOTA_MQTT_USERNAME=myusername"
> - "IOTA_MQTT_PASSWORD=mypassword"
> networks:
> - default
> 2 After docker containers start-up, some error log printed out:
> fiware-iot-agent-ul | time=2022-08-23T09:19:32.404Z | lvl=ERROR | corr=650cc5a7-e0b0-406a-bb7d-84db422bb0e3 | trans=650cc5a7-e0b0-406a-bb7d-84db422bb0e3 | op=IOTAUL.AMQP.Binding | from=n/a | srv=n/a | subsrv=n/a | msg=connect ECONNREFUSED 127.0.0.1:5672 | comp=IoTAgent
> fiware-iot-agent-ul | time=2022-08-23T09:19:32.405Z | lvl=FATAL | corr=650cc5a7-e0b0-406a-bb7d-84db422bb0e3 | trans=650cc5a7-e0b0-406a-bb7d-84db422bb0e3 | op=IoTAgentNGSI.ContextServer | from=n/a | srv=n/a | subsrv=n/a | msg=GLOBAL-002: Couldn't connect with MQTT broker: {"errno":-111,"code":"ECONNREFUSED","syscall":"connect","address":"127.0.0.1","port":1883} | comp=IoTAgent
> fiware-iot-agent-ul | time=2022-08-23T09:19:32.409Z | lvl=ERROR | corr=n/a | trans=n/a | op=IoTAgentNGSI.DomainControl | from=n/a | srv=n/a | subsrv=n/a | msg=Error: Callback was already called.
> fiware-iot-agent-ul | at /opt/iotaul/node_modules/async/dist/async.js:969:32
> fiware-iot-agent-ul | at MqttClient.<anonymous> (/opt/iotaul/lib/bindings/MQTTBinding.js:375:17)
> fiware-iot-agent-ul | at MqttClient.emit (node:events:539:35)
> fiware-iot-agent-ul | at MqttClient.emit (node:domain:475:12)
> fiware-iot-agent-ul | at Socket.streamErrorHandler (/opt/iotaul/node_modules/mqtt/lib/client.js:460:12)
> fiware-iot-agent-ul | at Socket.emit (node:events:527:28)
> fiware-iot-agent-ul | at Socket.emit (node:domain:475:12)
> fiware-iot-agent-ul | at emitErrorNT (node:internal/streams/destroy:157:8)
> fiware-iot-agent-ul | at emitErrorCloseNT (node:internal/streams/destroy:122:3)
> fiware-iot-agent-ul | at processTicksAndRejections (node:internal/process/task_queues:83:21) {
> fiware-iot-agent-ul | domainThrown: true
> fiware-iot-agent-ul | } | comp=IoTAgent
> fiware-iot-agent-ul | time=2022-08-23T09:19:33.425Z | lvl=FATAL | corr=n/a | trans=n/a | op=n/a | from=n/a | srv=n/a | subsrv=n/a | msg=GLOBAL-002: Couldn't connect with MQTT broker: {"errno":-111,"code":"ECONNREFUSED","syscall":"connect","address":"127.0.0.1","port":1883} | comp=IoTAgent
> fiware-iot-agent-ul | time=2022-08-23T09:19:33.426Z | lvl=FATAL | corr=n/a | trans=n/a | op=IoTAgentNGSI.Global | from=n/a | srv=n/a | subsrv=n/a | msg=An unexpected exception has been raised. Ignoring: Error: Callback was already called.
> fiware-iot-agent-ul | at /opt/iotaul/node_modules/async/dist/async.js:969:32
> fiware-iot-agent-ul | at MqttClient.<anonymous> (/opt/iotaul/lib/bindings/MQTTBinding.js:375:17)
> fiware-iot-agent-ul | at MqttClient.emit (node:events:539:35)
> fiware-iot-agent-ul | at MqttClient.emit (node:domain:475:12)
> fiware-iot-agent-ul | at Socket.streamErrorHandler (/opt/iotaul/node_modules/mqtt/lib/client.js:460:12)
> fiware-iot-agent-ul | at Socket.emit (node:events:527:28)
> fiware-iot-agent-ul | at Socket.emit (node:domain:475:12)
> fiware-iot-agent-ul | at emitErrorNT (node:internal/streams/destroy:157:8)
> fiware-iot-agent-ul | at emitErrorCloseNT (node:internal/streams/destroy:122:3)
> fiware-iot-agent-ul | at processTicksAndRejections (node:internal/process/task_queues:83:21) | comp=IoTAgent
> fiware-iot-agent-json | time=2022-08-23T09:19:35.473Z | lvl=INFO | corr=76c65807-e6f8-4ed0-ab3c-ead581e9d6bd | trans=76c65807-e6f8-4ed0-ab3c-ead581e9d6bd | op=IOTAJSON.MQTT.Binding | from=n/a | srv=n/a | subsrv=n/a | msg=connected | comp=IoTAgent
> fiware-iot-agent-json | time=2022-08-23T09:19:35.486Z | lvl=ERROR | corr=76c65807-e6f8-4ed0-ab3c-ead581e9d6bd | trans=76c65807-e6f8-4ed0-ab3c-ead581e9d6bd | op=IOTAJSON.AMQP.Binding | from=n/a | srv=n/a | subsrv=n/a | msg=connect ECONNREFUSED 127.0.0.1:5672 | comp=IoTAgent
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