This error is displayed for all the tests, but tests do not fail. This is not happening with jaxws build and only occuring with Mustang build.
 
[java] The jvmargs attribute is deprecated. Please use nested jvmarg elements.
    [java] java.net.UnknownHostException: C
    [java] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
    [java] at java.net.Socket.connect(Socket.java:516)
    [java] at java.net.Socket.connect(Socket.java:466)
    [java] at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
    [java] at sun.net.NetworkClient.openServer(NetworkClient.java:118)
    [java] at sun.net.ftp.FtpClient.openServer(FtpClient.java:488)
    [java] at sun.net.ftp.FtpClient.openServer(FtpClient.java:475)
    [java] at sun.net.www.protocol.ftp.FtpURLConnection.connect(FtpURLConnection.java:270)
    [java] at sun.net.www.protocol.ftp.FtpURLConnection.getInputStream(FtpURLConnection.java:352)
    [java] at java.net.URL.openStream(URL.java:1007)
    [java] at com.sun.org.apache.xml.internal.resolver.Catalog.parseCatalogFile(Catalog.java:851)
    [java] at com.sun.org.apache.xml.internal.resolver.Catalog.parsePendingCatalogs(Catalog.java:755)
    [java] at com.sun.org.apache.xml.internal.resolver.Catalog.parseCatalog(Catalog.java:603)
    [java] at com.sun.org.apache.xml.internal.resolver.Catalog.loadSystemCatalogs(Catalog.java:578)
    [java] at com.sun.org.apache.xml.internal.resolver.CatalogManager.getPrivateCatalog(CatalogManager.java:695)
    [java] at com.sun.org.apache.xml.internal.resolver.CatalogManager.getCatalog(CatalogManager.java:722)
    [java] at com.sun.org.apache.xml.internal.resolver.tools.CatalogResolver.initializeCatalogs(CatalogResolver.java:93)
    [java] at com.sun.org.apache.xml.internal.resolver.tools.CatalogResolver.<init>(CatalogResolver.java:88)
    [java] at com.sun.xml.ws.util.xml.XmlUtil.createDefaultCatalogResolver(XmlUtil.java:256)
    [java] at com.sun.xml.ws.client.WSServiceDelegate.<init>(WSServiceDelegate.java:113)
    [java] at com.sun.xml.ws.spi.ProviderImpl.createServiceDelegate(ProviderImpl.java:48)
    [java] at javax.xml.ws.Service.<init>(Service.java:58)
    [java] at oneway.ow_wsdl_rpclit_12.client.OnewayWSDLRpclitService.<init>(OnewayWSDLRpclitService.java:42)
    [java] at oneway.ow_wsdl_rpclit_12.client.OnewayClient.<init>(OnewayClient.java:30)
    [java] at oneway.ow_wsdl_rpclit_12.client.OnewayDriver.doIt(OnewayDriver.java:43)
    [java] at oneway.ow_wsdl_rpclit_12.client.OnewayDriver.main(OnewayDriver.java:19)
It is happening with JAX-WS standalone builds now once they included the renamed jar