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  1. JBoss Enterprise Application Platform
  2. JBEAP-22244

[GSS](7.4.z) WFLY-15039 - Cluster Intermittently Fails to Reestablish After a Node is Restarted

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      Set up a two-node messaging cluster with configuration similar to that attached. Start up both cluster machines and wait for the cluster to establish and report a non-empty cluster node list:

      [standalone@node1.test.redhat.com:9990 /] /subsystem=messaging-activemq/server=default/cluster-connection=my-cluster:get-nodes()
{
    "outcome" => "success",
    "result" => {"f982abf8-26d2-11eb-8964-5254009ef848" => "192.168.100.102/192.168.100.102:8080"}
}

      Restart each node one at a time, with varying intervals between stopping and restarting the node. After each restart, check the node list in the cli. It may take a number of tries to reproduce the issue. Once the node list is empty, it remains empty, even after waiting for some time.

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      Set up a two-node messaging cluster with configuration similar to that attached. Start up both cluster machines and wait for the cluster to establish and report a non-empty cluster node list: [standalone@node1.test.redhat.com:9990 /] /subsystem=messaging-activemq/server= default /cluster-connection=my-cluster:get-nodes() { "outcome" => "success" , "result" => { "f982abf8-26d2-11eb-8964-5254009ef848" => "192.168.100.102/192.168.100.102:8080" } } Restart each node one at a time, with varying intervals between stopping and restarting the node. After each restart, check the node list in the cli. It may take a number of tries to reproduce the issue. Once the node list is empty, it remains empty, even after waiting for some time.

    Description

      In a simple (non-HA) load-balancing cluster, sometimes restarting one node of the cluster results in the cluster failing to get reestablished, with the result that the cluster topology is reported as empty in the cli:

      [standalone@node1.test.redhat.com:9990 /] /subsystem=messaging-activemq/server=default/cluster-connection=my-cluster:get-nodes()
{
    "outcome" => "success",
    "result" => {}
}

      The cluster in question is using jgroups-UDP.

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          Bug - A problem that impairs or prevents the functions of the product. JBEAP-22645 [QE](7.4.z) WFLY-15597 - Can't create a pooled CF with a discovery group

          • Critical - To be worked on immediately following BLOCKER issues.
          • Verified
          clones

          Bug - A problem that impairs or prevents the functions of the product. JBEAP-20522 [GSS](7.3.z) WFLY-15039 - Cluster Intermittently Fails to Reestablish After a Node is Restarted

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Verified

          Bug - A problem that impairs or prevents the functions of the product. WFLY-15039 Cluster Intermittently Fails to Reestablish After a Node is Restarted

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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              rhn-support-jbertram Justin Bertram
              pferraro@redhat.com Paul Ferraro
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