Vaadin 8集成GwtAudio库播放音频触发RpcInvocationException异常求助

在Vaadin 8中使用audiovideo库实现音频播放功能，当前音频可正常播放，但加载视图时总会触发以下异常：
GwtAudio RpcInvocationException: Unable to invoke method initialData in org.vaadin.gwtav.client.GwtAudioServerRpc
推测该异常可能与WildFly 13相关。

视图初始化代码 #

仅包含布局和GwtAudio实例：

public void init() {
    layout = new VerticalLayout();
    String filename = "Ensoniq-3.wav";
    String pathName = "C:\\PERSEO\\TADPLAYER\\";
    
    ConnectorAudio con = new ConnectorAudio(filename, pathName);            
    GwtAudio atc = new GwtAudio(con);
    layout.addComponent(atc);
}

ConnectorResource子类实现代码 #

用于创建GwtAudio所需的ConnectorAudio类：

public class ConnectorAudio implements ConnectorResource  {
    
    /**
     * 
     */
    private static final long serialVersionUID = 8806461248248864379L;
    private String fileName;
    private StreamResource resource;
    
    
    public ConnectorAudio(String fileName, String pathName) {
        // TODO Auto-generated constructor stub
        this.fileName = fileName;
        StreamSource stream = new StreamSource() {
            @Override
            public InputStream getStream() {
                try {
                    return new FileInputStream(pathName + fileName);
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }
                return null;
                }
            };
            this.resource = new StreamResource(stream, this.fileName );
    }
    
    @Override
    public String getMIMEType() {
        // TODO Auto-generated method stub
        return this.resource.getMIMEType();
    }

    @Override
    public DownloadStream getStream() {
        // TODO Auto-generated method stub
          return resource.getStream();
    }

    @Override
    public String getFilename() {
        // TODO Auto-generated method stub
        return this.resource.getFilename();
    }

    public Resource getResource() {
        // TODO Auto-generated method stub
        return this.resource;
    }

}

内容的提问来源于stack exchange，提问作者Álvaro Abad de Donesteve