Servicegen: unable to load type library from classloader weblogic.utils.cl

Hi,
I am new to weblogic. I am encountering an error on trying to run the 'servicegen' command from my ant build scripts, on weblogic 9.2.
Please find the build.xml snapshot, and the stack trace given below.
Please help me out with this.
Points to be noted are:-
1) The ejb-jar.xml specifies the bean class, which is very much present in the classpath. The ejb-jar.xml is generated by xdoclet. Snapshot is given below:-
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd">
<ejb-jar >
<description><![CDATA[No Description.]]></description>
<display-name>Generated by XDoclet</display-name>
<enterprise-beans>

<session >
<description><![CDATA[NorthBound Interface]]></description>
<ejb-name>ArcorNBIService</ejb-name>
<home>com.alcatel.hdm.arcoril.webservice.ejb.ArcorNBIServiceHome</home>
<remote>com.alcatel.hdm.arcoril.webservice.ejb.ArcorNBIService</remote>
<local-home>com.alcatel.hdm.arcoril.webservice.ejb.ArcorNBIServiceLocalHome</local-home>
<local>com.alcatel.hdm.arcoril.webservice.ejb.ArcorNBIServiceLocal</local>
<ejb-class>com.alcatel.hdm.arcoril.webservice.ejb.ArcorNBIServiceBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
</session>
</enterprise-beans>
</ejb-jar>
2) When I replace the "ejbJar" attribute in the 'service' command with "javaClassComponents" attribute, I am able to run the servicegen command successfully. Not sure why the ejbJar is creating problems.
3) Build.xml snapshot:-
     <target name="gen-webservice" depends="init">
          <copy todir="${work.dir}" file="${export.dir}/lib/arcor-il-service-ejb.jar"/>
          <autotype javatypes="${javatypes}" targetNamespace="${targetNamespace}" destDir="${work.dir}/classes" keepGenerated="${keepGenerated}" classpathref="webservice.client.classpath"/>
          <autotype javaComponents="com.alcatel.hdm.arcoril.webservice.ejb.ArcorNBIService" targetNamespace="com.alcatel.hdm.service.nbi.dto.holders" destDir="${work.dir}/classes" keepGenerated="true" classpathref="webservice.client.classpath"/>
          <servicegen destEar="${earfile}" warName="${warname}" contextURI="${contextURI}" keepGenerated="${keepGenerated}" classpathref="webservice.client.classpath">
               <service ejbJar="${ejbLocation}" targetNamespace="${targetNamespace}" serviceName="${serviceName}" serviceURI="/${serviceName}" generateTypes="false" expandMethods="${expandMethods}" ignoreAuthHeader="false" protocol="https" style="rpc" useSOAP12="${useSOAP12}" typeMappingFile="${work.dir}/classes/types.xml">
                    <security enablePasswordAuth="true"/>
               </service>
          </servicegen>
     </target>
4) Exception stacktrace:-
--- Nested Exception ---
java.lang.AssertionError: java.io.IOException
at weblogic.descriptor.DescriptorManager$DefaultMarshallerFactorySingleton.<clinit>(DescriptorManager.java:42)
at weblogic.descriptor.DescriptorManager.getDefaultMF(DescriptorManager.java:116)
at weblogic.descriptor.DescriptorManager.getMarshallerFactory(DescriptorManager.java:125)
at weblogic.descriptor.DescriptorManager.getDescriptorFactory(DescriptorManager.java:153)
at weblogic.descriptor.DescriptorManager.createDescriptor(DescriptorManager.java:277)
at weblogic.descriptor.DescriptorManager.createDescriptor(DescriptorManager.java:248)
at weblogic.descriptor.DescriptorManager.createDescriptor(DescriptorManager.java:309)
at weblogic.descriptor.EditableDescriptorManager.createDescriptor(EditableDescriptorManager.java:99)
at weblogic.application.descriptor.AbstractDescriptorLoader.createDescriptor(AbstractDescriptorLoader.java:344)
at weblogic.application.descriptor.CachingDescriptorLoader.createDescriptor(CachingDescriptorLoader.java:188)
at weblogic.application.descriptor.AbstractDescriptorLoader.createDescriptor(AbstractDescriptorLoader.java:328)
at weblogic.application.descriptor.AbstractDescriptorLoader.getDescriptor(AbstractDescriptorLoader.java:237)
at weblogic.application.descriptor.AbstractDescriptorLoader.getRootDescriptorBean(AbstractDescriptorLoader.java:217)
at weblogic.ejb.spi.EjbJarDescriptor.getEjbJarBean(EjbJarDescriptor.java:141)
at weblogic.ejb.spi.EjbJarDescriptor.getEditableEjbJarBean(EjbJarDescriptor.java:182)
at weblogic.ejb.container.dd.xml.DDUtils.processEjbJarXMLWithSchema(DDUtils.java:519)
at weblogic.ejb.container.dd.xml.DDUtils.createDescriptorFromJarFile(DDUtils.java:182)
at weblogic.ejb.container.dd.xml.DDUtils.createDescriptorFromJarFile(DDUtils.java:126)
at weblogic.ejb.container.dd.xml.DDUtils.createDescriptorFromJarFile(DDUtils.java:154)
at weblogic.ejb.container.dd.xml.DDUtils.createDescriptorFromJarFile(DDUtils.java:147)
at weblogic.ejb.spi.DDUtils.createDescriptorFromJarFile(DDUtils.java:30)
at weblogic.webservice.dd.EJBJarIntrospector.<init>(EJBJarIntrospector.java:52)
at weblogic.ant.taskdefs.webservices.autotype.EJBAutoTyper.<init>(EJBAutoTyper.java:68)
at weblogic.ant.taskdefs.webservices.servicegen.ServiceGenTask.runAutoTyper(ServiceGenTask.java:339)
at weblogic.ant.taskdefs.webservices.servicegen.ServiceGenTask.generateService(ServiceGenTask.java:313)
at weblogic.ant.taskdefs.webservices.servicegen.ServiceGenTask.execute(ServiceGenTask.java:181)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
at org.apache.tools.ant.Task.perform(Task.java:364)
at org.apache.tools.ant.Target.execute(Target.java:341)
at org.apache.tools.ant.Target.performTasks(Target.java:369)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
at org.apache.tools.ant.Main.runBuild(Main.java:668)
at org.apache.tools.ant.Main.startAnt(Main.java:187)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
Caused by: java.io.IOException
at weblogic.descriptor.internal.MarshallerFactory.<init>(MarshallerFactory.java:50)
at weblogic.descriptor.DescriptorManager$DefaultMarshallerFactorySingleton.<clinit>(DescriptorManager.java:40)
... 37 more
Caused by: com.bea.xml.XmlException: unable to load type library from classloader weblogic.utils.classloaders.ClasspathClassLoader@1cc0a7f f
inder: weblogic.utils.classloaders.CodeGenClassFinder@c52200 annotation:
at com.bea.staxb.runtime.internal.BindingContextFactoryImpl.createBindingContext(BindingContextFactoryImpl.java:50)
at weblogic.descriptor.internal.MarshallerFactory.<init>(MarshallerFactory.java:48)
... 38 more
Total time: 5 seconds

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My iphones sync fine on my other computer.
This problem occurred when formatting my pc from work.
And this problem prevents me only sync tab "info" (contacts, calendar and Outlook). This does not prevent me to synchronize other tabs.
I already tried to reinstall itunes, and the diagnostic option.
Thanks in advance.

This problem has been ongoing since 9.2 came out ... i.e. quite some time.
I uninstalled and then removed all traces off Apple applications, then reinstalled back to the prior version and ran with no problems.
When I upgraded to V4 iPhone software I had to upgrade again and ran into the same problem.
Upgrading from Outlook 2000 to Outlook 2003 was of no benefit.
I have purchased Sync2, set up a gmail account and sync over wireless from Outlook to gamil, then from gamil to iPhone.
This only does calendar and contacts (haven't found a solution for notes) but waiting for Apple to sort this will probably see you old and gray.
Good luck.

ITunes 9.1 was unable to load dataclass information from Sync Services.

Everything was working perfectly fine on 9.0, then i upgraded to 9.1 version and my iPod Touch 3G stopped syncing properly (error as in subject). I tried many things, checked dll's, restarted services, everything without success. SO...
I uninstalled every single apple program and couple non applce. Deleted every Apple related file, even all those hidden in users/common files/app data folders. Double checked everything and restarted PC. THEN I downloaded full version of iTunes 9.1 64bit and installed.
Aaaand I restarted everything, lunched iTunes, plugged iPod in. Some Apple drivers installed themselves, then iTunes was frozen for couple minutes. Finally iPod shown in iTunes. I tried to sync and... BAM. Still broken, still same error "iTunes 9.1 was unable to load dataclass information from Sync Services. Reconnect or try again later"
Please help, my iPod is useless. Can u release new, working iTunes?

OK i have to say, i finally fixed it. Now its fully working without ANY problems, here is what i did (before trying this u should probably do this http://support.apple.com/kb/HT1923):
1. Unplug every external Card Reader.
2. Unplug every Card Reader in your PC (they are plugged into motherboard)
3. Unplug every USB Hub.
4. Unplug every USB Drive or USB HDD.
5. Plug in Ipod Touch/iPhone.
6. Go to Device Manager.
7. Search for "USB Mass Storage Device" in Universal Serial Bus Controler.
8. Right click on it and UNINSTALL.
9. Search for "Scan for hardware changes", click on it and wait a bit.
10. Turn on iTunes and check if its working.
Now it should work like a charm.

"Unable to load dataclass information from Sync Services" Any ideas?

I upgraded to iTunes 7.7 last night and now I get an annoying constant stream of errors that read "AppleMobileDeviceHelper has stopped working". Multiple reinstalls have not stopped it.
Against my better judgement, I upgraded my phone to 2.0. Found out that I lost everything on my phone. It is activated and will work but I cannot sync it with iTunes. All I get is a message stating, "iTunes was unable to load dataclass information from Sync Services. Reconnect or try again later."
iTunes won't recognize my phone. I can move songs and stuff to it by drop and drag but if I click the "iPhone" in iTunes, nothing happens. I put my phone in recovery mode. iTunes linked to it and reinstalled 2.0 but I still get the same problem.
I'm real frustrated and Apple has not posted anything about this problem.
Does anyone have any ideas on what is the going on? Is my phone nerfed?

Try disabling your firewall, virus SW, and if it still won't sync, I would try disabling the communications services one by one until it clears. When I'm troubleshooting this sort of problem, I first look into the system reports (MY Computer, (right-click) manage, event viewer, Windows Logs, and look into each of the sub log sections for the error. This will often point you in the right direction. If this fails, I do a clean boot with all extraneous run-times and services disabled. usually the problem will be solved. I then start turning on the various run-time routines and services until I find the culprit.
My attitude about this is that I won't waste my time chasing problems like this unless they are critical. Paying $$$ for a 3G iPhone and then having to troubleshoot the SW is not my cup of tea. I only pursued this because my wife and both kids got 3G's but I have them running both XP and Vista. One Vista machine synced OK, but mine would not. Intellectual curiosity led to find out why.
Lysimakus

Servicegen: unable to load type library from classloader weblogic.utils.cl

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