wsconsume cannot run with jaxws-api from build output

[wsconsume] Consuming wsdl: /home/tdiesler/svn/jbossws/stack/native/trunk/modules/testsuite/native-tests/src/test/resources/jaxws/samples/wssecurity/META-INF/wsdl/HelloService.wsdl
java.lang.Error: java.lang.ClassNotFoundException: Loaded outside a jar file:/home/tdiesler/svn/jbossws/stack/native/trunk/modules/jaxws-ext/target/classes/javax/xml/ws/EndpointReference.class
at com.sun.tools.ws.wscompile.JavaCompilerHelper.getJarFile(JavaCompilerHelper.java:64)
at com.sun.tools.ws.wscompile.WsimportTool.compileGeneratedClasses(WsimportTool.java:255)
at com.sun.tools.ws.wscompile.WsimportTool.run(WsimportTool.java:210)
at org.jboss.ws.tools.jaxws.impl.SunRIConsumerImpl.consume(SunRIConsumerImpl.java:217)
at org.jboss.wsf.spi.tools.WSContractConsumer.consume(WSContractConsumer.java:196)
at org.jboss.wsf.spi.tools.ant.WSConsumeTask.executeNonForked(WSConsumeTask.java:214)
at org.jboss.wsf.spi.tools.ant.WSConsumeTask.execute(WSConsumeTask.java:234)