Jboss 4.2 java 5 and jbossws 2.0

Exception in thread "main" javax.xml.ws.WebServiceException: Unable to load Prov
ider: Failed to load javax.xml.ws.spi.Provider: org.jboss.ws.core.jaxws.spi.Prov
iderImpl
at javax.xml.ws.spi.Provider.provider(Provider.java:98)
at javax.xml.ws.Service.(Service.java:83)
at events.SdtwsService.(SdtwsService.java:40)
at events.SdtClient.main(SdtClient.java:14)
Caused by: java.lang.IllegalStateException: Failed to load javax.xml.ws.spi.Prov
ider: org.jboss.ws.core.jaxws.spi.ProviderImpl
at javax.xml.ws.spi.ProviderLoader.loadProvider(ProviderLoader.java:96)
at javax.xml.ws.spi.Provider.provider(Provider.java:90)
... 3 more
Caused by: java.lang.NoClassDefFoundError: org/jboss/util/NotImplementedExceptio
n
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
at java.lang.Class.getConstructor0(Class.java:2671)
at java.lang.Class.newInstance0(Class.java:321)
at java.lang.Class.newInstance(Class.java:303)
at javax.xml.ws.spi.ProviderLoader.loadProvider(ProviderLoader.java:91)