java服务器端出错java.io.StreamCorruptedException

Question

报错信息：java.io.StreamCorruptedException: invalid stream header: 64000000
at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
at java.io.ObjectInputStream.(Unknown Source)
at org.lxh.server.ServerThreadUtil.run(ServerThreadUtil.java:30)
at java.lang.Thread.run(Unknown Source)
出错代码如下：
public void run() { // 覆写run()方法
try {
PrintStream out = new PrintStream(
client.getOutputStream()); // 取得客户端输出流

        ObjectInputStream ois = new ObjectInputStream(client
                .getInputStream());                 // 这里出错了
        this.upload = (UploadFile) ois.readObject(); // 读取对象
        System.out.println("文件标题：" + this.upload.getTitle());
        System.out.println("文件类型：" + this.upload.getMimeType());
        System.out.println("文件大小：" + this.upload.getContentLength());
        out.print(saveFile());                      // 返回标记
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            this.client.close();                    // 关闭客户端连接
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

Answer 1

client？是属于哪个类的对象？