[jira] Updated: (CONFIGURATION-136) Reloading may corrupt the configuration

["Emmanuel Bourg (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CONFIGURATION-136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emmanuel Bourg updated CONFIGURATION-136:
-----------------------------------------

    Environment:     (was: Operating System: other
Platform: Other)
        Summary: Reloading may corrupt the configuration  (was: [configuration] hot-reload may corrupt configuration)

> Reloading may corrupt the configuration
> ---------------------------------------
>
>                 Key: CONFIGURATION-136
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-136
>             Project: Commons Configuration
>          Issue Type: Bug
>    Affects Versions: 1.1
>            Reporter: nicolas de loof
>             Fix For: 1.5
>
>
> Current reloading process clears current properties and load updated values from
> resource reader. If an IO error occurs (or invalid format), the configuration
> gets corrupted and the application becomes unstable.
> It may be better for hot-reload to put loaded values into a temporary Properties
> and replace previous values only when reloading is successful. 
> It may also allow to use a 'currentlty-reloading' flag in the synchronized
> 'reload' block to avoid blocking threads during a reload (they could access
> safelly the 'old' properties until reload is finished)

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