Maybe you can check weblogic documentation for classloader log/trace. 
For example Oracle application server uses a system property like

|-Dclass.load.trace=class-defined:com.acme.Foo

which prints useful classloading information for the given classes, 
maybe Weblogic may have a similar feature. You may also want to look at 
http://tomcat.apache.org/tomcat-6.0-doc/class-loader-howto.html  
although this is for tomcat, it may help you understand how many 
classloaders there are in an application server and in which order they 
load classes.

I've also found this: 
http://e-docs.bea.com/wls/docs70/programming/classloading.html which may 
be more relevant to you..
|


Slepecki, Willie wrote:
>
> im trying the suggestions here 
> http://java.sun.com/j2ee/verified/packaging.html in section "Mechanism 
> 2: Bundled Optional Classes".  i tried putting the classpath entry in 
> both the axis.war file and in my bla.aar file while having my core jar 
> in the root of the ear, still same problem
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] on behalf of Slepecki, 
> Willie
> Sent: Tue 7/8/2008 12:29 PM
> To: JiBX users
> Subject: Re: [jibx-users] JIBX, Axis2, Ear file
>
> i just tried putting my core jar in the app-inf/lib and that broke my 
> starup listeners because it couldn't find the jar-uri for my core jar 
> file. 
>
> any ideas would help please
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] on behalf of Slepecki, 
> Willie
> Sent: Tue 7/8/2008 12:20 PM
> To: [email protected]
> Subject: [jibx-users] JIBX, Axis2, Ear file
>
> After three days of reading and trial and error im almost there.  The 
> last issue i need to resolve involves deploying with an ear file.  ive 
> got my POJO's bound to the jibx-axis system successfully and that 
> packaged into the war file and that packaged into the ear file.  but 
> when i try to pull up a schema for a method in the web service it says 
> it can't find my binder class
>
> org.apache.axis2.AxisFault: Unable to access binding information for 
> class bla.bla.gettransactiondetailrequest.GetTransactionDetailRequest
> Make sure classes generated by the binding compiler are available at 
> runtime
>
> i understand the message but here is the thing,  those POJO's are used 
> by about a half dozen other pieces of the total system so it doesn't 
> make sense for me to compile them into the war file itself.  the way i 
> have it deployed is the binders and the pojo's are compiled into their 
> own separate jar file and deployed in the base of the ear file as a 
> java module.  as i understood the concept of ear files, that should 
> include them in the classpath of all other apps in the ear file.
>
> i know weblogic is finding my core jar file because i have startup 
> routines that initialize a singleton that run successfully.   but i 
> have got to figure this access issue out because my web services are 
> going to rely HEAVILY on that configuration singleton.
>
> maybe put the jar file in the web-inf/lib directory of the ear file 
> instead of as a module?
>
> thanks
>
>
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