Java Ftp Client

1、系统临近上线，今天拿出来重新过了一遍，发现一个FTP上传的问题，就是一直报

java.net.SocketException: Software caused connection abort: socket write error
	at java.net.SocketOutputStream.socketWrite0(Native Method)
	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
	at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
	at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
	at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:291)
	at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:295)
	at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141)
	at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229)
	at java.io.BufferedWriter.flush(BufferedWriter.java:254)
	at org.apache.commons.net.ftp.FTP.__send(FTP.java:505)
	at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:479)
	at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:556)
	at org.apache.commons.net.ftp.FTP.port(FTP.java:881)
	at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:755)
	at org.apache.commons.net.ftp.FTPClient._storeFile(FTPClient.java:602)
	at org.apache.commons.net.ftp.FTPClient.__storeFile(FTPClient.java:593)
	at org.apache.commons.net.ftp.FTPClient.storeUniqueFile(FTPClient.java:2027)
	at FtpMy.main(FtpMy.java:43)

 2、于是乎就疯狂的google，而后，又度娘乎，无果，不得其解，沉思，好好的怎么会不行了呢。突然一道灵光向我劈来，妈的是不是刚装了系统，开着防火墙。

---还真开着，关之，重试，OK。

附上ftp代码

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.TimeZone;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;

import org.apache.log4j.Logger;

public class FtpClient {
	private FTPClient ftpClient;
	private String strIp;
	private int intPort;
	private String user;
	private String password;

	private static Logger logger = Logger.getLogger(FtpClient.class.getName());

	/* *
	 * Ftp构造函数
	 */
	public FtpClient(String strIp, int intPort, String user, String Password) {
		this.strIp = strIp;
		this.intPort = intPort;
		this.user = user;
		this.password = Password;
		this.ftpClient = new FTPClient();
	}

	/**
	 * @return 判断是否登入成功
	 * */
	public boolean ftpLogin() {
		boolean isLogin = false;
		FTPClientConfig ftpClientConfig = new FTPClientConfig();
		ftpClientConfig.setServerTimeZoneId(TimeZone.getDefault().getID());
		this.ftpClient.setControlEncoding("GBK");
		this.ftpClient.configure(ftpClientConfig);
		try {
			if (this.intPort > 0) {
				this.ftpClient.connect(this.strIp, this.intPort);
			} else {
				this.ftpClient.connect(this.strIp);
			}
			// FTP服务器连接回答
			int reply = this.ftpClient.getReplyCode();
			if (!FTPReply.isPositiveCompletion(reply)) {
				this.ftpClient.disconnect();
				logger.error("登录FTP服务失败！");
				return isLogin;
			}
			this.ftpClient.login(this.user, this.password);
			// 设置传输协议
			this.ftpClient.enterLocalPassiveMode();
			this.ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
			logger.info("恭喜" + this.user + "成功登陆FTP服务器");
			isLogin = true;
		} catch (Exception e) {
			e.printStackTrace();
			logger.error(this.user + "登录FTP服务失败！" + e.getMessage());
		}
		this.ftpClient.setBufferSize(1024 * 2);
		this.ftpClient.setDataTimeout(30 * 1000);
		return isLogin;
	}

	/**
	 * @退出关闭服务器链接
	 * */
	public void ftpLogOut() {
		if (null != this.ftpClient && this.ftpClient.isConnected()) {
			try {
				boolean reuslt = this.ftpClient.logout();// 退出FTP服务器
				if (reuslt) {
					logger.info("成功退出服务器");
				}
			} catch (IOException e) {
				e.printStackTrace();
				logger.warn("退出FTP服务器异常！" + e.getMessage());
			} finally {
				try {
					this.ftpClient.disconnect();// 关闭FTP服务器的连接
				} catch (IOException e) {
					e.printStackTrace();
					logger.warn("关闭FTP服务器的连接异常！");
				}
			}
		}
	}

	/***
	 * 上传Ftp文件
	 * 
	 * @param localFile
	 *            当地文件
	 * @param romotUpLoadePath上传服务器路径
	 *            - 应该以/结束
	 * */
	public boolean uploadFile(File localFile, String romotUpLoadePath) {
		BufferedInputStream inStream = null;
		boolean success = false;
		try {
			this.ftpClient.changeWorkingDirectory(romotUpLoadePath);// 改变工作路径
			inStream = new BufferedInputStream(new FileInputStream(localFile));
			logger.info(localFile.getName() + "开始上传.....");
			success = this.ftpClient.storeFile(localFile.getName(), inStream);
			if (success == true) {
				logger.info(localFile.getName() + "上传成功");
				return success;
			}
		} catch (FileNotFoundException e) {
			e.printStackTrace();
			logger.error(localFile + "未找到");
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (inStream != null) {
				try {
					inStream.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		return success;
	}

	/***
	 * 下载文件
	 * 
	 * @param remoteFileName
	 *            待下载文件名称
	 * @param localDires
	 *            下载到当地那个路径下
	 * @param remoteDownLoadPath
	 *            remoteFileName所在的路径
	 * */

	public boolean downloadFile(String remoteFileName, String localDires,
			String remoteDownLoadPath) {
		String strFilePath = localDires + remoteFileName;
		BufferedOutputStream outStream = null;
		boolean success = false;
		try {
			this.ftpClient.changeWorkingDirectory(remoteDownLoadPath);
			outStream = new BufferedOutputStream(new FileOutputStream(
					strFilePath));
			logger.info(remoteFileName + "开始下载....");
			success = this.ftpClient.retrieveFile(remoteFileName, outStream);
			if (success == true) {
				logger.info(remoteFileName + "成功下载到" + strFilePath);
				return success;
			}
		} catch (Exception e) {
			e.printStackTrace();
			logger.error(remoteFileName + "下载失败");
		} finally {
			if (null != outStream) {
				try {
					outStream.flush();
					outStream.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
		if (success == false) {
			logger.error(remoteFileName + "下载失败!!!");
		}
		return success;
	}

	/***
	 * @上传文件夹
	 * @param localDirectory
	 *            当地文件夹
	 * @param remoteDirectoryPath
	 *            Ftp 服务器路径 以目录"/"结束
	 * */
	public boolean uploadDirectory(String localDirectory,
			String remoteDirectoryPath) {
		File src = new File(localDirectory);
		try {
			remoteDirectoryPath = remoteDirectoryPath + src.getName() + "/";
			this.ftpClient.makeDirectory(remoteDirectoryPath);
			// ftpClient.listDirectories();
		} catch (IOException e) {
			e.printStackTrace();
			logger.info(remoteDirectoryPath + "目录创建失败");
		}
		File[] allFile = src.listFiles();
		for (int currentFile = 0; currentFile < allFile.length; currentFile++) {
			if (!allFile[currentFile].isDirectory()) {
				String srcName = allFile[currentFile].getPath().toString();
				uploadFile(new File(srcName), remoteDirectoryPath);
			}
		}
		for (int currentFile = 0; currentFile < allFile.length; currentFile++) {
			if (allFile[currentFile].isDirectory()) {
				// 递归
				uploadDirectory(allFile[currentFile].getPath().toString(),
						remoteDirectoryPath);
			}
		}
		return true;
	}

	/***
	 * @下载文件夹
	 * @param localDirectoryPath本地地址
	 * @param remoteDirectory
	 *            远程文件夹
	 * */
	public boolean downLoadDirectory(String localDirectoryPath,
			String remoteDirectory) {
		try {
			String fileName = new File(remoteDirectory).getName();
			localDirectoryPath = localDirectoryPath + fileName + "//";
			new File(localDirectoryPath).mkdirs();
			FTPFile[] allFile = this.ftpClient.listFiles(remoteDirectory);
			for (int currentFile = 0; currentFile < allFile.length; currentFile++) {
				if (!allFile[currentFile].isDirectory()) {
					downloadFile(allFile[currentFile].getName(),
							localDirectoryPath, remoteDirectory);
				}
			}
			for (int currentFile = 0; currentFile < allFile.length; currentFile++) {
				if (allFile[currentFile].isDirectory()) {
					String strremoteDirectoryPath = remoteDirectory + "/"
							+ allFile[currentFile].getName();
					downLoadDirectory(localDirectoryPath,
							strremoteDirectoryPath);
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
			logger.info("下载文件夹失败");
			return false;
		}
		return true;
	}

	// FtpClient的Set 和 Get 函数
	public FTPClient getFtpClient() {
		return ftpClient;
	}

	public void setFtpClient(FTPClient ftpClient) {
		this.ftpClient = ftpClient;
	}

	public static void main(String[] args) throws IOException {
		FtpClient ftp = new FtpClient("192.168.1.111", 21, "test", "123456");
		ftp.ftpLogin();
		// 上传文件夹
		ftp.uploadDirectory("D:\\test\\2013", "/2013");
		// 下载文件夹
		// ftp.downLoadDirectory("d://tmp//", "/home/data/DataProtemp");
		ftp.ftpLogOut();
	}
}

 3、反思：遇到问题要冷静思考，切记急功近利。

附上官方的描述：http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7077696