[jboss-jira] [JBoss JIRA] (WFCORE-4801) RemoteConnectionHandler and ConnectionImpl objects leak when org.jboss.as.cli is used

[Vinoth Kumar Natarajan (Jira)]

     [ https://issues.redhat.com/browse/WFCORE-4801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinoth Kumar Natarajan updated WFCORE-4801:
-------------------------------------------
    Component/s: CLI


> RemoteConnectionHandler and ConnectionImpl objects leak when org.jboss.as.cli is used
> -------------------------------------------------------------------------------------
>
>                 Key: WFCORE-4801
>                 URL: https://issues.redhat.com/browse/WFCORE-4801
>             Project: WildFly Core
>          Issue Type: Bug
>          Components: CLI
>            Reporter: Vinoth Kumar Natarajan
>            Priority: Major
>
> Heap dump analysis of services deployed in Wildfly standalone deployment show a large number of stale objects of class org.jboss.remoting3.ConnectionImpl and org.jboss.remoting3.remote.RemoteConnectionHandler. These objects are not getting garbage collected and eventually cause JVM to go out of memory.
> Analysis of the heap dump indicate that,
> * All org.jboss.remoting3.ConnectionImpl objects lingering around are CLOSED as the state and associated with JBOSS management endpoint.
> * All org.jboss.remoting3.remote.RemoteConnectionHandler objects lingering around are associated with Remote Endpoint Name "cli-client". which is the endpoint name used by org.jboss.as.cli.
> Above observations seem to indicate that JBOSS CLI commands that are executed periodically in this deployment, to monitor status of deployments, is causing these stale objects. 
> To confirm this observation, we have executed jboss-cli.sh a couple of times on our deployment and could see that each execution of this script is leaving nehind one instance of each of these classes.
> *Wildfly version details:*
> bash-4.4# ./jboss-cli.sh
> You are disconnected at the moment. Type 'connect' to connect to the server or 'help' for the list of supported commands.
> [disconnected /] connect
> [standalone at localhost:9990 /] version
> JBoss Admin Command-line Interface
> JBOSS_HOME: /ericsson/3pp/wildfly
> Release: 9.0.1.Final
> Product: WildFly Full 17.0.0.Final
> JAVA_HOME: /usr/
> java.version: 1.8.0_222
> java.vm.vendor: IcedTea
> java.vm.version: 25.222-b10
> os.name: Linux
> os.version: 4.12.14-197.15-default



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