[jira] Issue Comment Edited: (SMX4-579) extract common used classes for itests

["Geert Schuring (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/activemq/browse/SMX4-579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61248#action_61248 ] 

Geert Schuring edited comment on SMX4-579 at 8/18/10 4:31 AM:
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This is why every bundle should have package-import statements covering all packages it exports. That way, if 2 bundles offer the same code (which happens frequently) the OSGi classloaders make sure that only 1 version is used throughout the JVM.

This is the maven-bundle-plugin' s default behaviour. See http://felix.apache.org/site/apache-felix-maven-bundle-plugin-bnd.html

Extract:
"<Import-Package> is assumed to be "*", which imports everything referred to by the bundle content, but not contained in the bundle.
Any exported packages are also imported by default, to ensure a consistent class space."

      was (Author: cathodion):
    This is why every bundle should have package-import statements covering its own packages. That way, if 2 bundles offer the same code (which happens frequently) the OSGi classloaders make sure that only 1 version is used throughout the JVM.
  
> extract common used classes for itests
> --------------------------------------
>
>                 Key: SMX4-579
>                 URL: https://issues.apache.org/activemq/browse/SMX4-579
>             Project: ServiceMix 4
>          Issue Type: Improvement
>            Reporter: Freeman Fang
>            Assignee: Freeman Fang
>             Fix For: 4.4.0
>
>
> this avoid put same classes in different bundles, which can cause ClassCastException

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