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From "Richard S. Hall (JIRA)" <j...@apache.org>
Subject [jira] Commented: (FELIX-2479) A bundle importing its own exports doesn't correct expose its exports when required by another bundle
Date Thu, 22 Jul 2010 16:41:53 GMT

    [ https://issues.apache.org/jira/browse/FELIX-2479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12891237#action_12891237

Richard S. Hall commented on FELIX-2479:

Great news. I think we'll try to do another micro release before too long, since we have a
good collection of minor bugs already fixed.

> A bundle importing its own exports doesn't correct expose its exports when required by
another bundle
> -----------------------------------------------------------------------------------------------------
>                 Key: FELIX-2479
>                 URL: https://issues.apache.org/jira/browse/FELIX-2479
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: framework-3.0.1
>            Reporter: Rick McGuire
>            Assignee: Richard S. Hall
>             Fix For: framework-3.2.0
>         Attachments: splitpackage.zip
> This is sort of a complicated scenario, but I've been able to create a relatively simple
test to recreate this.  See the attachment for the project.  Note that to get this to run
using the 3.0.1 Felix framework version, I needed to create a private build of the pax exam
trunk with a dependency change to also pick up the latest pax runner snapshot version.  
> This problem showed up for us with the 3.0.1 release, but also appears to be in the 3.1.0-SNAPSHOT
release.  The 2.0.5 release does not have the problem and equinox also appears to be handling
this correctly.  In this scenario, we have a bundle with two embedded jar files that also
has a Dynamic-Import: * header and a Require-Bundle header for another bundle.  One of the
embedded jars uses the same package name as packages defined in the bundle referenced by the
Require-Bundle, creating a split package situation.  The test is fairly simple, consisting
of just a couple of lines: 
>         // if this line is commented out, then the second loadClass() call will succeed.
>         // this load occurs first, then a NoClassDefFound error results on the load for
>         Class cls1 = bundle1.loadClass("org.apache.geronimo.harness.EETestDummy");
>         Class cls = bundle1.loadClass("org.apache.geronimo.embedded.TestClass");
>         // this will force the fields classes to be resolved. 
>         cls.getDeclaredFields(); 
> When this is run, the cls.getDeclaredFields() call will get a NoClassDefFound exception
for the class Lorg/apache/geronimo/harness/EETest
> That class is defined in one of the embedded jars.  If the load of the EETestDummy class
is commented out, then the getDeclaredFields() call does not throw the exception.  The resolution
of the internal EETest class appears to depend on whether the imported package gets resolved

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