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https://issues.apache.org/jira/browse/CELIX-398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roy Lenferink updated CELIX-398:
--------------------------------
Attachment: pubsub_admin_udp subscriber disconnect bug.png
pubsub_admin_udp bug.png
> [pubsub] UDP subscribers are connecting to many times
> -----------------------------------------------------
>
> Key: CELIX-398
> URL: https://issues.apache.org/jira/browse/CELIX-398
> Project: Celix
> Issue Type: Bug
> Reporter: Roy Lenferink
> Attachments: pubsub_admin_udp bug.png, pubsub_admin_udp subscriber
> disconnect bug.png
>
>
> There's a bug in the PubsubAdminUDP where a subscriber is connecting too many
> times when there are multiple publishers.
> The problem occurs when deploying a bundle with multiple publishers:
> ---------------------------------------------------------------------
> add_deploy("pubsub_publisher_udp_mc"
> GROUP "pubsub"
> BUNDLES
> shell
> shell_tui
> org.apache.celix.pubsub_discovery.etcd.PubsubDiscovery
> org.apache.celix.pubsub_topology_manager.PubSubTopologyManager
> org.apache.celix.pubsub_admin.PubSubAdminUdpMc
> org.apache.celix.pubsub_publisher.PoiPublisher
> org.apache.celix.pubsub_publisher.PoiPublisher2
> )
> add_deploy("pubsub_subscriber_udp_mc"
> GROUP "pubsub"
> BUNDLES
> shell
> shell_tui
> org.apache.celix.pubsub_discovery.etcd.PubsubDiscovery
> org.apache.celix.pubsub_topology_manager.PubSubTopologyManager
> org.apache.celix.pubsub_admin.PubSubAdminUdpMc
> org.apache.celix.pubsub_subscriber.PoiSubscriber
> )
> ---------------------------------------------------------------------
> This way the subscribers is connecting 2 times to a publisher because the UDP
> endpoint is listed 2 times in etcd. To prevent this the subscriber needs to
> check if it's already connected to a publisher.
> Because of this problem, a segmentation fault shows up when disconnecting the
> subscriber.
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