Error 404: javax.servlet.UnavailableException: SRVE0201E: Servlet [...] not a servlet class.

@WebService(serviceName = "xxx", endpointInterface = "xxx")

antisamy-1.4.3.jar
api-7.9.0.0.jar
avalon-framework-4.1.3.jar
batik-css-1.7.jar
batik-ext-1.7.jar
batik-util-1.7.jar
bsh-core-2.0b4.jar
commons-beanutils-1.7.0.jar
commons-beanutils-core-1.7.0.jar
commons-codec-1.2.jar
commons-collections-3.2.jar
commons-configuration-1.5.jar
commons-digester-1.8.jar
commons-fileupload-1.2.jar
commons-httpclient-3.1.jar
commons-lang-2.3.jar
commons-logging-1.1.jar
core-7.9.0.0.jar
dom4j-1.6.1.jar
esapi-2.0_rc11.jar
istack-commons-runtime-2.16.jar
jaxb-api-2.2.9.jar
jaxb-core-2.2.8-b01.jar
jaxb-impl-2.2-promoted-b65.jar
jaxen-1.1-beta-8.jar
jdom-1.0.jar
log4j-1.2.16.jar
log4j-api-2.7.jar
log4j-core-2.7.jar
logkit-1.0.1.jar
nekohtml-1.9.12.jar
serializer-2.7.2.jar
xalan-2.7.2.jar
xercesImpl-2.11.0.jar
xml-apis-1.4.01.jar
xml-apis-ext-1.3.04.jar
xom-1.1.jar