Re: [JBoss-user] problem accessing an inner class from an MBean

[Scott M S. <sco...@jb...>]

So obviously the war is not doing anything here. The name of the class 
is not important. To be seeing a LinkageError or IllegalAccess error the 
same fully qualified type is being access by two different class 
loaders. You have two threads running inside the service and somehow 
they are using different class loaders. I don't know how this can happen 
  in this deployment. Create a trace level log of the class loading by 
adding the following to the conf/log4j.xml configuration after the last 
appender element:

    <appender name="UCL" class="org.apache.log4j.FileAppender">
       <param name="File" value="${jboss.server.home.dir}/log/"/>
       <param name="Append value="false"/>
       <layout class="org.apache.log4j.PatternLayout">
          <param name="ConversionPattern" value="[%r,%c{1},%t] %m%n"/>
       </layout>
    </appender>
    <category name="org.jboss.mx.loading" additivity="false">
       <priority value="TRACE" class="org.jboss.logging.XLevel"/>
       <appender-ref ref="UCL"/>
    </category>

The resulting ucl.log file will be rather large so zip up the the 
ucl.log and server.log and send them to sco...@jb.... 
Additional information on class loading may be found in the class 
loading architecture doc available here:
http://sourceforge.net/docman/display_doc.php?docid=14516&group_id=22866

-- 
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Scott Stark
Chief Technology Officer
JBoss Group, LLC
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George Icriverzi wrote:

> I've already sent the result of the ListJar runed over my ear (attached) 
> . I will paste it in the message now.
> But before, in the previous mail, I pointed that the same problem apears 
> when I define the class inline, on the fly, so it has no name, and I 
> definetly don't try elsewhere to access it with, let's say, CRLFactory$1 
> as the class name.
> The error is the same as with the inner class, only that now the class 
> has no name, so it is identified in the stackTrace error message as 
> 'IllegalAcessError form CRLFactory for CRLFactory$1 class' . This makes 
> no sense, being defines inline, only CRLFactory accesses and uses it.
> 
> Here's the result of the ListJar program :