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https://issues.apache.org/jira/browse/CONFIGURATION-465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13190697#comment-13190697
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Oliver Heger commented on CONFIGURATION-465:
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Thanks for reviewing.
I was also wondering whether the Jexl classes are thread-safe and finally found
the information (in the package documentation for o.a.c.jexl2) that JexlEngine
actually is. However, I doubt that the same is true for MapContext because it
is just a wrapper around a HashMap. Therefore, I am going to change the
implementation to create a new context every time rather than caching it in a
member field.
> OSGI issue - configuration depends on Jexl 1.0 which does not have OSGI
> release
> -------------------------------------------------------------------------------
>
> Key: CONFIGURATION-465
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-465
> 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 <org.apache.commons.configuration_1.7.0>
> 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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