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From "Jackson, Douglas" <djack...@ugs.com>
Subject RE: [jira] Commented: (WSIF-92) NoClassDefFound error - Could not initialize class org.apache.wsif.logging.Trc - Although wsif.jar is visible in classpath (by classloader)
Date Fri, 25 Jan 2008 04:34:54 GMT
Hi!
Sometimes with NoClassDefFound errors the problem is not in the class
listed, but something that class refers to in an initializer.  The best
way to resolve it is probably to get the source and step through it in
the debugger to figure what line in the class it is dying on.  You might
be able to tell in the debugger without the source if you stop where it
throws the exception.
-Doug.

-----Original Message-----
From: Randy Kahn (JIRA) [mailto:wsif-dev@ws.apache.org] 
Sent: Thursday, January 24, 2008 7:37 PM
To: wsif-dev@ws.apache.org
Subject: [jira] Commented: (WSIF-92) NoClassDefFound error - Could not
initialize class org.apache.wsif.logging.Trc - Although wsif.jar is
visible in classpath (by classloader)


    [
https://issues.apache.org/jira/browse/WSIF-92?page=com.atlassian.jira.pl
ugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12562333#ac
tion_12562333 ] 

Randy Kahn commented on WSIF-92:
--------------------------------

This is the latest wsif.jar (2.0). The classpath issue is confusing
because the error message is not accurately pointing to the missing
class. I wish there was a WSIF expert knew the inner workings of
WSFUtils or Trc to tell us what class definition is missing.
If tis is a common issue, would this have been documented somewhere ? I
read in a forum for IBM's websphere (similar issue) that they had to set
a LogFactory property (not sure).


> NoClassDefFound error - Could not initialize class
org.apache.wsif.logging.Trc - Although wsif.jar is visible in classpath
(by classloader)
>
------------------------------------------------------------------------
-------------------------------------------------------------------
>
>                 Key: WSIF-92
>                 URL: https://issues.apache.org/jira/browse/WSIF-92
>             Project: Axis-WSIF
>          Issue Type: Bug
>          Components: Basic Architecture
>    Affects Versions: 2.0
>         Environment: Redhat Linux, Oracle Application Server 10g (OC4J
10.1.3.1)
>            Reporter: Randy Kahn
>            Priority: Blocker
>
> Version number of WSIF - 2.0
> Version number of JDK (enter "java -fullversion") java full version
"1.5.0_06-b"
> Trying to invoke any webservice (via wsdl) using WSIF, the NoClassDef
error points to Trc.class from WSIFUtils.class.
> Both these classes are in wsif.jar, how come it fines WSIFUtils but
not Trc ?
> Here's the full error message:
>  Error 
>  
> java.lang.NoClassDefFoundError: Could not initialize class
org.apache.wsif.logging.Trc at
org.apache.wsif.util.WSIFUtils.readWSDL(WSIFUtils.java:446) at
oracle.apps.fnd.wf.test.webui.WSIFTestCO.processFormRequest(WSIFTestCO.j
ava:55) at
oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest

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