You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@felix.apache.org by "Richard S. Hall (JIRA)" <ji...@apache.org> on 2010/07/21 16:33:50 UTC

[jira] Resolved: (FELIX-2479) Order-dependent class loading problem when split packages are occurring.

     [ https://issues.apache.org/jira/browse/FELIX-2479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard S. Hall resolved FELIX-2479.
------------------------------------

         Assignee: Richard S. Hall
    Fix Version/s: framework-3.2.0
       Resolution: Fixed

I committed a fix for this to trunk. It worked in my local test case, but I didn't test it on the original test case given my limited understanding of Pax Exam. Please close if satisfied.

> Order-dependent class loading problem when split packages are occurring. 
> -------------------------------------------------------------------------
>
>                 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.  If 
>         // this load occurs first, then a NoClassDefFound error results on the load for TestClass. 
>         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 first.  

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.