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Connectware 1.9.0
Connectware 1.9.0
  • Getting Started
    • Introduction
    • Installing Connectware
      • System Requirements
      • Acquiring your License Key
      • Installing Connectware on Docker
      • Installing Connectware on Kubernetes
    • Connectware Admin UI
    • Basic Components of Connectware
    • Connecting your First Machine
      • Your First Service Commissioning File
  • Documentation
    • Services
      • Service Commissioning Files
        • Structure of Service Commissioning Files
          • description
          • metadata
          • parameters
          • definitions
          • resources
            • Cybus::Connection
            • Cybus::Endpoint
            • Cybus:Mapping
            • Cybus::Container
              • Docker problem with network changes
            • Cybus::Link
            • Cybus::IngressRoute
            • Cybus::User
            • Cybus::Role
            • Cybus::Volume
            • Cybus::File
            • Cybus::Server
            • Cybus::Node
        • Sample Service Commissioning Files
          • Modbus
            • “Bearbeitungszentrum BAZ” - Single File
            • “Bearbeitungszentrum BAZ” - Multiple Files
            • “Bearbeitungszentrum BAZ” - Single File and Custom Topics
            • “Bearbeitungszentrum BAZ” - Agent Mode
          • Machine Condition Monitoring : OPC UA + InfluxDB + Grafana Dashboard
            • “Machine Condition Monitoring Example” - Single File
          • Machine Utilization Example (Multi file service composition) : Modbus TCP + InfluxDB + Grafana + MSS
            • “Machine Utilization Example” - Machine Connectivity
            • “Machine Utilization Example” - Dashboards with role based access permission
            • “Machine Utilization Example” - Push data to MSSQL Database
      • Services View
      • Setting Up and Configuring Services
        • Installing Services
        • Enabling Services
        • Updating Services
        • Disabling Services
        • Deleting Services
      • Service Details View
      • FlowSync
        • Example 1 - Node with Transaction Mode (HTTP)
        • Example 2 - Node Responds (HTTP)
        • Example 3 - Node with Error (HTTP)
        • Example 4 - Node with Timeout Error Code and Error Message (HTTP)
        • Example 5 - Full Transactional Data Flow (HTTP)
        • Example 6 - Full Transactional Data Flow (OPC UA)
      • ServiceID
      • Inter-Service Referencing
      • Deviation
      • Service Logs
        • Logs of Individual Services
        • Logs of All Services
      • Rule Engine
        • Data Processing Rules
        • Rule Sandbox
      • Shared Subscriptions
        • Setting Up Shared Subscriptions
      • API Definition
    • Resources
      • Servers
      • Containers
      • Volumes
      • Connections
      • Endpoints
      • Mappings
      • Nodes
      • API Definition
    • User Management
      • Users and Roles View
      • Users
      • Roles
      • Permissions
      • Password Policy Rules
      • Default Admin User
      • MQTT Users
      • Adding a MQTT Publish Prefix for Users
      • Multi-Factor Authentication
      • Long lived JSON Web Tokens
      • Access Permissions for Admin-UI
        • UI Access
        • Minimum Access Role Pages
      • API Definition
    • Client Registry
      • Implicit Flow
      • Explicit Flow
      • Granting Access
      • API Definition
    • Certificates
    • Monitoring
      • Data Explorer
      • Live Data
    • Workbench
      • Flows in Git Repositories
    • System Status
      • Info
      • Metrics
      • Status
      • Retrieving More System Information
      • System Health
      • API Definition
    • Backup and Restore
      • Volumes
      • User Database
    • Configuration
      • Environment Variables
      • LDAP Configuration
      • MFA Configuration
    • Agents
      • Agents View
      • Installing Agents
        • Installing Agents via Docker
        • Installing Agents via Docker Compose
        • Installing Agents via Kubernetes
        • Using Mutual TLS for Agents
      • Registering Agents in Connectware
      • Using Agents
      • Monitoring Agents
      • Troubleshooting Agents
    • Industry Protocol Details
      • ADS
        • AdsConnection
        • AdsEndpoint
      • BACnet
        • BacnetConnection
        • BacnetEndpoint
      • EtherNet/IP
        • EthernetIpConnection
        • EthernetIpEndpoint
      • Focas
        • FocasConnection
        • FocasEndpoint
      • Generic VRPC
        • GenericVrpcConnection
        • GenericVrpcEndpoint
      • Hottinger Baldwin Messtechnik (HBM)
        • HbmdaqConnection
        • HbmdaqEndpoint
      • Heidenhain DNC
        • HeidenhainConnection
        • HeidenhainEndpoint
      • HTTP/REST
        • HttpConnection
        • HttpEndpoint
      • HTTP Server
        • HttpServer
        • HttpNode
      • InfluxDB
        • InfluxdbConnection
        • InfluxdbEndpoint
      • Kafka
        • KafkaConnection
        • KafkaEndpoint
      • Modbus/TCP
        • ModbusConnection
        • ModbusEndpoint
      • MQTT
        • MqttConnection
        • MqttEndpoint
      • MSSQL
        • MssqlConnection
        • MssqlEndpoint
      • OPC DA
        • OpcdaConnection
        • OpcdaEndpoint
      • OPC UA
        • OPC UA Client
          • OpcuaConnection
          • OpcuaEndpoint
        • OPC UA Server
          • OpcuaServer
          • OpcuaNode
        • OPC UA Object Types
        • OPC UA Server References
          • OpcuaReferenceNode
          • OpcuaObjectNode
      • Siemens SIMATIC S7
        • S7Connection
        • S7Endpoint
      • Shdr
        • ShdrConnection
        • ShdrEndpoint
      • Sinumerik
        • SinumerikConnection
        • SinumerikEndpoint
      • Sopas
        • SopasConnection
        • SopasEndpoint
      • SQL
        • SqlConnection
        • SqlEndpoint
      • Werma WIN Ethernet
        • WermaConnection
        • WermaEndpoint
      • Systemstate
        • SystemstateConnection
        • SystemstateEndpoint
      • API Definition
    • Connectware Licensing
    • Changelog
      • General changes from 0.x to 1.0
        • Upgrading from 0.x to 1.0
    • Upgrade Guide
      • Upgrading from 1.x to 1.7.0
      • Upgrading from 1.x to 1.5.0
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On this page
  • Connection Loss
  • User Registration Conflict (409 Conflict)

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  1. Documentation
  2. Agents

Troubleshooting Agents

PreviousMonitoring AgentsNextIndustry Protocol Details

Last updated 5 months ago

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Connection Loss

If there is a connection loss between agent and central Connectware, the data connectivity is broken and messages will be lost. In particular, due to the resource management system, any connection from the agent to a machine will stop receiving data as long as the connection to the central Connectware is broken.

Nevertheless, short-term temporary connection outages (such as less than a few seconds) can be covered by using the MQTT QoS (quality of service) level. This QoS level must be set on a per-endpoint basis, because it must be set for each published package and for each subscription individually. To set this for the MQTT connection from the agent to the central Connectware, set the qos property of each to the value 1 (one) instead of zero. (QoS level 2 is most likely not useful in the industry context and is not recommended here.) Setting a non-zero QoS level will ensure that no in-flight MQTT message is getting lost if there is a temporary network outage.

However, as soon as the MQTT connection loss between agent and Connectware gets noticed by the agent, it will stop receiving data from the machine, and the Connectware in turn will mark the respective resources as deviated.

If you are interested in how to set up different solutions for a distributed data collection system that could also tolerate temporary network fragmentation, please contact our support team at support@cybus.io.

User Registration Conflict (409 Conflict)

If the user registration as described above is not accepted by Connectware but lets the agent print a log message 409 Conflict, most likely there is already an existing user with the given agent name in Connectware, but with a different password. The easiest solution is to go to the “User Management” page in the Admin-UI and delete that particular user, see .

The full message at the agent’s log in such cases is the following:

{
    'level': 30,
    'time': 1590665714502,
    'msg': 'Failed to register agent. Response: 409 Conflict. A conflicting registration might be pending, or a user with the same username myAgent is already existing (which you must delete first).',
}
involved Endpoint
Deleting Users