WildFly 12.0 Model Reference

  1. WildFly 12.0
  2. subsystem=messaging-activemq
  3. server
  4. discovery-group

Multicast group to listen to receive broadcast from other servers announcing their connectors.

Provided capabilities(1)

Name Dynamic Other provider points
org.wildfly.messaging.activemq.discovery-group true

none

Attributes (6)

  • initial-wait-timeout Period, in ms, to wait for an initial broadcast to give us at least one node in the cluster.
    • Attribute Value
    Default Value 10000
    Type LONG
    Nillable true
    Expressions Allowed true
    Unit MILLISECONDS
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • jgroups-channel References the name of a JGroups channel. If undefined, the default channel will be used.
    • Attribute Value
    Capability reference
    Type STRING
    Nillable true
    Expressions Allowed false
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • jgroups-cluster The logical cluster name.
    • Attribute Value
    Type STRING
    Nillable true
    Expressions Allowed false
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • jgroups-stack References the name of a JGroups channel factory.
    • Deprecated Since 3.0.0
    Deprecated. Use jgroups-channel instead.
    Attribute Value
    Capability reference
    Type STRING
    Nillable true
    Expressions Allowed false
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • refresh-timeout Period the discovery group waits after receiving the last broadcast from a particular server before removing that server's connector pair entry from its list.
    • Attribute Value
    Default Value 10000
    Type LONG
    Nillable true
    Expressions Allowed true
    Unit MILLISECONDS
    Storage configuration
    Access Type read-write
    Restart Required all-services
  • socket-binding The discovery group socket binding.
    • Attribute Value
    Type STRING
    Nillable true
    Expressions Allowed false
    Storage configuration
    Access Type read-write
    Restart Required all-services

Operations (2)

  • add Add a discovery group.
    Request Parameter Type Required Expressions Allowed Default value Description
    initial-wait-timeout LONG false true 10000 Period, in ms, to wait for an initial broadcast to give us at least one node in the cluster.
    jgroups-channel STRING false false References the name of a JGroups channel. If undefined, the default channel will be used.
    jgroups-cluster STRING false false The logical cluster name.
    jgroups-stack STRING false false References the name of a JGroups channel factory.
    refresh-timeout LONG false true 10000 Period the discovery group waits after receiving the last broadcast from a particular server before removing that server's connector pair entry from its list.
    socket-binding STRING false false The discovery group socket binding.
  • remove Remove a discovery group.