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From "Oliver Heger (JIRA)" <>
Subject [jira] Resolved: (CONFIGURATION-279) PropertiesConfiguration dysfunctional if constructed with nonexistent File
Date Sat, 02 Jun 2007 20:04:15 GMT


Oliver Heger resolved CONFIGURATION-279.

       Resolution: Fixed
    Fix Version/s: 1.5

A fix was applied. Thank you for spotting this. This was a pretty comprehensive analysis of
the problem :-)

> PropertiesConfiguration dysfunctional if constructed with nonexistent File
> --------------------------------------------------------------------------
>                 Key: CONFIGURATION-279
>                 URL:
>             Project: Commons Configuration
>          Issue Type: Bug
>          Components: Events & Notifications
>    Affects Versions: 1.4
>            Reporter: Tuure Laurinolli
>            Assignee: Oliver Heger
>             Fix For: 1.5
> When PropertiesConfiguration is constructed around a File that does not exist, everything
seemingly goes well, but saving the configuration only results in an empty file. This differs
from constructing a PropertiesConfiguration around a file name passed as String, which appropriately
fails at construction-time, since it tries to load() the configuration, which fails.
> When the nonexistent configuration file is passed as File, this does not happen, since
the File constructor in AbstractFileConfiguration specifically tests if the file exists before
calling load() and succeeds even if it wasn't called. However, if load() is not called, no
PropertiesConfigurationLayout is created or registered to the EventSource, and thus nothing
is saved when save() is called on the PropertiesConfiguration. Calling save() actually calls
getLayout(), which creates a layout and registers it, but the properties set between construction
of the PropertiesConfiguration and calling save() on it are still lost.

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