[mod_cluster-issues] [JBoss JIRA] Commented: (MODCLUSTER-220) Extra REMOVE-APP event after failover

[Jean-Frederic Clere (JIRA)]

    [ https://issues.jboss.org/browse/MODCLUSTER-220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593682#comment-12593682 ] 

Jean-Frederic Clere commented on MODCLUSTER-220:
------------------------------------------------

Is it using HA?

> Extra REMOVE-APP event after failover
> -------------------------------------
>
>                 Key: MODCLUSTER-220
>                 URL: https://issues.jboss.org/browse/MODCLUSTER-220
>             Project: mod_cluster
>          Issue Type: Enhancement
>            Reporter: Radoslav Husar
>            Assignee: Jean-Frederic Clere
>            Priority: Trivial
>
> Trivial thing: I think there is an extra REMOVE-APP event happening after fail-over. The test scenario is simple - start a node with 6 context, kill the node and reconnect. The apps are unchanged but 5 are remembered as were and one is removed and added back? Since they happen at the same time it looks like it happens uselessly and can cause race condition.
> {code}
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "INFO / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "CONFIG / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "ENABLE-APP / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "ENABLE-APP / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "ENABLE-APP / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "ENABLE-APP / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "ENABLE-APP / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "ENABLE-APP / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:18:34 +0200] "STATUS / HTTP/1.0" 200 58 "-" "ClusterListener/1.0"
> ...
> 127.0.0.1 - - [04/Apr/2011:19:19:03 +0200] "GET /SessionTest/SessionTestServlet? HTTP/1.1" 200 1 "-" "Jakarta Commons-HttpClient/3.1"
> ...
> 127.0.0.1 - - [04/Apr/2011:19:20:44 +0200] "INFO / HTTP/1.0" 200 575 "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:20:44 +0200] "CONFIG / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:20:44 +0200] "ENABLE-APP / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:20:44 +0200] "REMOVE-APP / HTTP/1.0" 200 - "-" "ClusterListener/1.0"
> 127.0.0.1 - - [04/Apr/2011:19:20:44 +0200] "STATUS / HTTP/1.0" 200 58 "-" "ClusterListener/1.0"
> {code}

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