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Posted to dev@felix.apache.org by "Marcel Offermans (JIRA)" <ji...@apache.org> on 2006/06/08 11:31:30 UTC
[jira] Commented: (FELIX-78) Modify framework to export proper JRE
packages for the execution environment
[ http://issues.apache.org/jira/browse/FELIX-78?page=comments#action_12415304 ]
Marcel Offermans commented on FELIX-78:
---------------------------------------
If you do not export some of the "core" OSGi packages through the system bundle, but install the org.osgi.core bundle to do that you will get all kinds of class cast exceptions (for example when the framework instantiates a bundle activator). To prevent this, I think we should consider always exporting these packages through the system bundle, because the framework won't work very well if we don't.
So basically I'm proposing adding a list of packages that will always be exported through the system bundle, regardless of the property.
> Modify framework to export proper JRE packages for the execution environment
> ----------------------------------------------------------------------------
>
> Key: FELIX-78
> URL: http://issues.apache.org/jira/browse/FELIX-78
> Project: Felix
> Type: Improvement
> Components: Framework
> Reporter: Richard S. Hall
> Priority: Minor
>
> The OSGi specification requires that class path classes are hidden from bundles. To expose classes on the class path, the system bundle can be made to "export" them by adding the packages to the org.osgi.framework.system.packages property in the config.properties file.
> The should create proper value definitions for this property for JDKs 1.3, 1.4, and 1.5 and perhaps define some way in the config.properties file to specify system property guards for enabling/disabling various properties, so that we can add all three values to the config.properties file, but only enable the value corresponding to the appropriate execution platform at run time.
> Of course, this is just one possible suggestion for a solution. Perhaps there is a better one.
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