ObjectOutputStream.writeObject(objaBasicFileAction);

package com.mypackage.actions;

import java.io.Serializable;

public abstract class BasicFileAction implements Serializable{
    private int[] objcFileBytes;
    private String scFileName;

    public int[]  getFileBytes(){
        return objcFileBytes;
    }

    public void setFileBytes( int[] objaFileBytes ){
        objcFileBytes = objaFileBytes;
    }

    public String getFileName(){
        return scFileName;
    }

    public void setFileName(String saFileName){
        scFileName = saFileName ;
    }
    public abstract Object execute() throws Exception;

}

public Object executeService(BasicFileAction objaBasicFileAction)
        throws Exception {
        URL objlURLServer = null;
        ObjectInputStream objlResponse = null;
        Object objlObjectResult = null;
        URLConnection objlURLConnection = null;
        ObjectOutputStream objlRequest = null;
        TunnelException exclTunnelException = null;

        try {
            objlURLServer = new URL((String) objcProperties.get(
                        FileRemoteHandler.SERVICE_NAME));
        } catch (MalformedURLException e) {
            throw new Exception(
                "No se puede efectuar la conexion al servidor de fotografias '" +
                (String) objcProperties.get(FileRemoteHandler.SERVICE_NAME) +
                "' : " + e.getMessage());
        }

        try {
            objlURLConnection = objlURLServer.openConnection();
            objlURLConnection.setDoOutput(true);
            objlURLConnection.setUseCaches(false);
            objlURLConnection.setRequestProperty("Content-Type",
                "application/octet-stream");
            System.out.println("terminando1");
            objlRequest = new ObjectOutputStream(new BufferedOutputStream(
                        objlURLConnection.getOutputStream()));

            try{
                objlRequest.writeObject(objaBasicFileAction); //De aquí no pasa con las imágenes mayores a 3.68MB

                objlRequest.flush();
                objlRequest.close();
            }catch(NotSerializableException r){
                System.out.println("1 "+r.getMessage());
            } catch(InvalidClassException t){
                System.out.println("2 "+t.getMessage());
            } catch(IOException w){
                System.out.println("3 "+w.getMessage());
            }

            // get the result input stream
            objlResponse = new ObjectInputStream(new BufferedInputStream(
                        objlURLConnection.getInputStream()));

            // read response back from the server
            objlObjectResult = objlResponse.readObject();

            if (objlObjectResult instanceof TunnelException) {
                exclTunnelException = (TunnelException) objlObjectResult;
                throw new Exception(exclTunnelException.getMessage());
            }

        } catch (Exception exclException) {
            System.out.println("here: "+exclException.getMessage());
            throw new Exception("Error al Ejecutar la Peticion : " +
                exclException.getMessage());
        }

        return objlObjectResult;
    }

3.68MB (3867314)
3.19MB (3355578)
3.05MB (3204054)

4.09MB (4293306)
 4.36MB (4572533)
 3.81MB (3997079)