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From "Ralph Goers (Commented) (JIRA)" <>
Subject [jira] [Commented] (CONFIGURATION-465) commons-configuration
Date Tue, 04 Oct 2011 03:59:34 GMT


Ralph Goers commented on CONFIGURATION-465:

Jexl is used in the ExprLookup class. If you don't use it in your DefaultConfigurationBuilder
configuration then Jexl would not be required. I didn't realize that Jexl had this issue so
I appreciate you letting us know about it. Jexl 2.x requires Java 1.5 so it would definitely
have to be an optional dependency since Commons Configuration supports Java 1.4.
> commons-configuration 
> ----------------------
>                 Key: CONFIGURATION-465
>                 URL:
>             Project: Commons Configuration
>          Issue Type: Bug
>    Affects Versions: 1.7
>            Reporter: Rich Mayfield
> I updated to use commons-configuration 1.7 (from 1.6) and am running into the following
resolution error under Eclipse Equinox OSGi framework.
>         An Import-Package could not be resolved. Caused by missing constraint in bundle
>              constraint: <Import-Package: org.apache.commons.jexl; version="0.0.0">
> According to the Import-Package header in 1.7's MANIFEST.MF, commons-configuration now
has a required dependency on org.apache.commons.jexl.  Problem is, there is no OSGi enabled
version of Apache Commons jexl that exports this package.
> In jexl 2.0 the packages were renamed and org.apache.commons.jexl2 is exported.  The
1.x codeline, although using org.apache.commons.jexl, does not have the appropriate MANIFEST.MF
headers to be used as an OSGi bundle.
> As such, you cannot consume commons-configuration 1.7 in an OSGi environment.

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