JBossWS Native TS ends with SecurityException about signer information

stack-native\modules\testsuite\native-tests\scripts\antrun-wstools.xml:99: Error running jbossws:

Caused by: java.lang.SecurityException: class "org.jboss.test.ws.jaxrpc.samples.docstyle.wrapped._JBossWS_SampleService_TrivialServicePort_purchase"'s signer information does not match signer information of other classes in the same package