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Date: Fri, 14 Jan 2011 03:15:45 -0500 (EST)
From: "ant elder (JIRA)" <jira@apache.org>
To: dev@abdera.apache.org
Subject: [jira] Commented: (ABDERA-279) Faulty classloading - unreachable
 code
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    [ https://issues.apache.org/jira/browse/ABDERA-279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12981671#action_12981671 ] 

ant elder commented on ABDERA-279:
----------------------------------

Patch applied, thanks for the fix Antoine.

Tests would be good but as the class has no other testing already it seems ok to not require them for others.

I needed to get the 1.1.2 release out for a fix for another user and as it was already being voted on it would have delayed it to long to include this. I can do a 1.1.3 release to include this fix now if you need it ASAP.

> Faulty classloading - unreachable code
> --------------------------------------
>
>                 Key: ABDERA-279
>                 URL: https://issues.apache.org/jira/browse/ABDERA-279
>             Project: Abdera
>          Issue Type: Bug
>    Affects Versions: 1.1.1
>            Reporter: Antoine Toulme
>         Attachments: fix_classloader.patch
>
>
> The Discover class uses this method to get a class:
> {code}
>       private static <T> Class<T> getClass(ClassLoader loader, String spec) {
>         Class<T> c = null;
>         try {
>             c = (Class<T>)loader.loadClass(spec);
>             c = (Class<T>)(c != null ? c : getClass(Discover.class.getClassLoader(), spec));
>         } catch (ClassNotFoundException e) {
>             throw new RuntimeException(e);
>         }
>         return c;
>     }
> {code}
> However the first line inside the try statement will throw a CNF exception if the class cannot be found. As a result, the second line is never executed.
> {code}
> c = (Class<T>)(c != null ? c : getClass(Discover.class.getClassLoader(), spec));
> {code}
> The code executes recursively, which makes things harder. I would recommend changing the way the code is currently written to avoid recursion.

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