jdk1.3 client, weblogic8.1 webservice

[Zkr Ryz]

Hello community.

Does anyone know how to consume a webservice running on WL8.1 with a jdk1.3 client. I've create the client using the cliengen ant task for the ws, how ever when I run it, it throws the following exception:
Exception: java.lang.NoSuchMethodError
at weblogic.xml.schema.binding.internal.TypeMappingEntryImpl.<init>(TypeMappingEntryImpl.java:61)
at weblogic.xml.schema.binding.internal.XSDTypeMapping.addEntries(XSDTypeMapping.java:812)
at weblogic.xml.schema.binding.internal.XSDTypeMapping.createPrimaryMapping(XSDTypeMapping.java:154)
at weblogic.xml.schema.binding.internal.XSDTypeMapping.createInstance(XSDTypeMapping.java:138)
at weblogic.xml.schema.binding.internal.XSDTypeMapping.<clinit>(XSDTypeMapping.java:118)
at weblogic.xml.schema.binding.internal.TypeMappingFactoryBase.createDefaultMapping(TypeMappingFactoryBase.java:18)
at weblogic.webservice.core.encoding.DefaultRegistry.<init>(DefaultRegistry.java:100)
at weblogic.webservice.core.encoding.DefaultRegistry.<init>(DefaultRegistry.java:32)
at weblogic.webservice.core.rpc.ServiceImpl.<init>(ServiceImpl.java:88)
at client.mws.MiddlewareWS_Impl.<init>(MiddlewareWS_Impl.java:22)
...
...

I think this is parser related.

Has anyone a jdk1.3 ws client of any sort?

Thank you.