FTPSClient抛出异常javax.net.ssl.SSLHandshakeException：握手期间远程主机关闭连接

我需要帮助，我正在尝试创建与我上传文件的FTP服务器的连接
我在javajdk1.8.0_45中使用以下依赖项。当我运行代码时，它会建立连接并登录，但当我尝试上载文件时，它会抛出异常和上载空文件

Exception in thread "main" javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:980)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)
at org.apache.commons.net.ftp.FTPSClient._openDataConnection_(FTPSClient.java:619)
at org.apache.commons.net.ftp.FTPClient._storeFile(FTPClient.java:633)
at org.apache.commons.net.ftp.FTPClient.__storeFile(FTPClient.java:624)
at org.apache.commons.net.ftp.FTPClient.storeFile(FTPClient.java:1976)
at org.quorum.appnexusutility.transfer.TransferManager.uploadFile(TransferManager.java:176)
at org.quorum.appnexusutility.transfer.TransferManager.pushFile(TransferManager.java:220)
at org.quorum.appnexusutility.transfer.TransferManager.main(TransferManager.java:233)
Caused by: java.io.EOFException: SSL peer shut down incorrectly
at sun.security.ssl.InputRecord.read(InputRecord.java:505)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:961)
... 10 more

依赖性

---

这似乎是SSL/TLS协议版本问题。浏览下面的帖子，你应该会得到答案。

这似乎是SSL/TLS协议版本问题。浏览下面的帖子，你应该会得到答案。

你能试着替换下面的一行吗

private final String protocol = "TLS";//"TLS";

与

---

你能试着换下一行吗

private final String protocol = "TLS";//"TLS";

与

---

经过大量的搜索，最终通过重用prepareDataSocket方法找到了解决方案

import org.apache.commons.net.ftp.FTPSClient;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSessionContext;
import javax.net.ssl.SSLSocket;
import java.io.*;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.Socket;
import java.util.Locale;


public class ModifiedFTPSClient extends FTPSClient {

    public ModifiedFTPSClient() {
        super("TLS", false);
    }

    public ModifiedFTPSClient(boolean isImplicit) {
        super("TLS", isImplicit);
    }

    @Override
    protected void _prepareDataSocket_(final Socket socket) throws IOException {
        if (socket instanceof SSLSocket) {
            final SSLSession session = ((SSLSocket) _socket_).getSession();
            if (session.isValid()) {
                final SSLSessionContext context = session.getSessionContext();
            try {
                final Field sessionHostPortCache = context.getClass().getDeclaredField("sessionHostPortCache");
                sessionHostPortCache.setAccessible(true);
                final Object cache = sessionHostPortCache.get(context);
                final Method method = cache.getClass().getDeclaredMethod("put", Object.class, Object.class);
                method.setAccessible(true);
                method.invoke(cache, String.format("%s:%s", socket.getInetAddress().getHostName(), String.valueOf(socket.getPort())).toLowerCase(Locale.ROOT), session);
                method.invoke(cache, String.format("%s:%s", socket.getInetAddress().getHostAddress(), String.valueOf(socket.getPort())).toLowerCase(Locale.ROOT), session);
            } catch (NoSuchFieldException e) {
                throw new IOException(e);
            } catch (Exception e) {
                throw new IOException(e);
            }
        } else {
            throw new IOException("Invalid SSL Session");
        }
    }
}

上面的问题类TransferManager这样替换类

上面的问题类TransferManager替换open（）方法中的值

---

经过大量的搜索，最终通过重用prepareDataSocket方法找到了解决方案

import org.apache.commons.net.ftp.FTPSClient;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSessionContext;
import javax.net.ssl.SSLSocket;
import java.io.*;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.Socket;
import java.util.Locale;


public class ModifiedFTPSClient extends FTPSClient {

    public ModifiedFTPSClient() {
        super("TLS", false);
    }

    public ModifiedFTPSClient(boolean isImplicit) {
        super("TLS", isImplicit);
    }

    @Override
    protected void _prepareDataSocket_(final Socket socket) throws IOException {
        if (socket instanceof SSLSocket) {
            final SSLSession session = ((SSLSocket) _socket_).getSession();
            if (session.isValid()) {
                final SSLSessionContext context = session.getSessionContext();
            try {
                final Field sessionHostPortCache = context.getClass().getDeclaredField("sessionHostPortCache");
                sessionHostPortCache.setAccessible(true);
                final Object cache = sessionHostPortCache.get(context);
                final Method method = cache.getClass().getDeclaredMethod("put", Object.class, Object.class);
                method.setAccessible(true);
                method.invoke(cache, String.format("%s:%s", socket.getInetAddress().getHostName(), String.valueOf(socket.getPort())).toLowerCase(Locale.ROOT), session);
                method.invoke(cache, String.format("%s:%s", socket.getInetAddress().getHostAddress(), String.valueOf(socket.getPort())).toLowerCase(Locale.ROOT), session);
            } catch (NoSuchFieldException e) {
                throw new IOException(e);
            } catch (Exception e) {
                throw new IOException(e);
            }
        } else {
            throw new IOException("Invalid SSL Session");
        }
    }
}

上面的问题类TransferManager这样替换类

上面的问题类TransferManager替换open（）方法中的值

---

谢谢你的重播，但它不是工作相同的错误，我在控制台你能检查这个链接吗？谢谢你的重播，但它不是工作相同的错误，我在控制台你能检查这个链接吗？

import org.apache.commons.net.ftp.FTPSClient;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSessionContext;
import javax.net.ssl.SSLSocket;
import java.io.*;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.Socket;
import java.util.Locale;


public class ModifiedFTPSClient extends FTPSClient {

    public ModifiedFTPSClient() {
        super("TLS", false);
    }

    public ModifiedFTPSClient(boolean isImplicit) {
        super("TLS", isImplicit);
    }

    @Override
    protected void _prepareDataSocket_(final Socket socket) throws IOException {
        if (socket instanceof SSLSocket) {
            final SSLSession session = ((SSLSocket) _socket_).getSession();
            if (session.isValid()) {
                final SSLSessionContext context = session.getSessionContext();
            try {
                final Field sessionHostPortCache = context.getClass().getDeclaredField("sessionHostPortCache");
                sessionHostPortCache.setAccessible(true);
                final Object cache = sessionHostPortCache.get(context);
                final Method method = cache.getClass().getDeclaredMethod("put", Object.class, Object.class);
                method.setAccessible(true);
                method.invoke(cache, String.format("%s:%s", socket.getInetAddress().getHostName(), String.valueOf(socket.getPort())).toLowerCase(Locale.ROOT), session);
                method.invoke(cache, String.format("%s:%s", socket.getInetAddress().getHostAddress(), String.valueOf(socket.getPort())).toLowerCase(Locale.ROOT), session);
            } catch (NoSuchFieldException e) {
                throw new IOException(e);
            } catch (Exception e) {
                throw new IOException(e);
            }
        } else {
            throw new IOException("Invalid SSL Session");
        }
    }
}

private String user;
private String password;
private ModifiedFTPSClient ftpsClient;

if(this.port > 100) {
    this.ftpsClient  = new ModifiedFTPSClient(true); // fro ftps
} else {
    this.ftpsClient = new ModifiedFTPSClient(); // fro ftp
}