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From "Daniel Kulp (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (CXF-2893) CXF should use class' classloader for initialization of its loggers
Date Fri, 16 Jul 2010 17:59:51 GMT

     [ https://issues.apache.org/jira/browse/CXF-2893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Kulp resolved CXF-2893.
------------------------------

         Assignee: Daniel Kulp
    Fix Version/s: 2.2.10
       Resolution: Fixed

> CXF should use class' classloader for initialization of its loggers
> -------------------------------------------------------------------
>
>                 Key: CXF-2893
>                 URL: https://issues.apache.org/jira/browse/CXF-2893
>             Project: CXF
>          Issue Type: Bug
>    Affects Versions: 2.2.9
>            Reporter: Hynek Mlnarik
>            Assignee: Daniel Kulp
>            Priority: Trivial
>             Fix For: 2.2.10
>
>         Attachments: patch.diff
>
>
> The class org.apache.cxf.common.logging.LogUtils should attempt to use plain Class.forName(cname)
if Class.forName(cname, true, Thread.currentThread().getContextClassLoader()) fails.
> Rationale: Current thread might not be able to access cxf classes. Take as an example
the following OSGi bundles:
> 1) bundle with a http server.
> 2) bundle with CXF-based servlet SomeCXFServlet. The bundle contains CXF as private OSGi
library.
> A servlet SomeCXFServlet from bundle (2) has access to CXF via SomeCXFServlet.class.getClassloader(),
similarly LogUtils class via its classloader. However, the servlet initialization is performed
from http server thread that does not have access to bundle (2) private classes. Initialization
of a logger is hence also made from the http thread. CXF tries to load its org.apache.cxf.common.logging.*Logger
classes - the attempt however fails because the current thread's classloader is used instead
of the LogUtils'.
> Solution: Try to load the class using Class.forName(cname) if Class.forName(cname, true,
Thread.currentThread().getContextClassLoader()) fails.
> Will attach diff in a separate comment

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