Dá erro java.io.StreamCorruptedException

f = cx.getSelectedFile();

FileInputStream arqEntrada = new FileInputStream(f.getAbsoluteFile());

ObjectInputStream entrada = new ObjectInputStream(arqEntrada);

System.out.println("\nLendo o Arquivo…");

lidoArquivo = (Collection) entrada.readObject();//Erro

erro:

java.io.StreamCorruptedException

at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1326)

at java.io.ObjectInputStream.readObject(ObjectInputStream.java:339)