private RequestListener<String, GlideDrawable> requestListener = new RequestListener<String, GlideDrawable>() {  
    @Override
    public boolean onException(Exception e, String model, Target<GlideDrawable> target, boolean isFirstResource) {
      //可以在这里处理你想做的×××如果你使用了error方法指定了出错时的占位资源，那么记得返回false×××
        return false; 
};

Glide  
    .with( context )
    .load(xxx)
    .listener( requestListener )
    .error( R.drawable.xxxxx )
    .into( imageView );