[jboss-jira] [JBoss JIRA] (AS7-6800) Clean unreferenced deployments from the content repository

Tue Mar 26 10:29:41 EDT 2013

    [ https://issues.jboss.org/browse/AS7-6800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763220#comment-12763220 ] 

Brian Stansberry commented on AS7-6800:
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A possible simple solution to this is to pass the value of the "persistent" attribute from the deployment resource into the repo and use it to track non-persistent deployments and remove them when the content repo service stops. This is a bit dodgy though. It doesn't cover cases where the service isn't stopped during shutdown; e.g. a hard kill or where -Xrs is passed to the JVM thus disabling shutdown hook execution. The latter seems to be used in init.d scripts. (The MSC service container is stopped via a shutdown hook; it is that which causes services to stop.). A background process that periodically cleans unreferenced content may work better.

> Clean unreferenced deployments from the content repository
> ----------------------------------------------------------
>
>                 Key: AS7-6800
>                 URL: https://issues.jboss.org/browse/AS7-6800
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: Domain Management
>    Affects Versions: EAP 6.1.0.Alpha (7.2.0.Final)
>            Reporter: Brian Stansberry
>             Fix For: 8.0.0.Alpha1
>
>
> The algorithm for removing unused deployments from the content repository is based on doing this as part of undeploy operation execution. This doesn't cover cases where the content is never explicitly undeployed. For example:
> 1) Scanner content that is updated when the server is offline; the old content will not have been "undeployed" during shutdown, and on startup the new content will be installed.
> 2) Similar issues with deployments generated from module resources (see "A Mixed Approach on https://community.jboss.org/wiki/ExtendingAS7). When the server shuts down, there is no "subsystem remove" as part of shutdown, so the content added during start will not be removed.

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