如何使用JSCH连接到SSH服务器? [英] How to connect to a SSH server using JSCH?
本文介绍了如何使用JSCH连接到SSH服务器?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在尝试使用jsch连接到打开的ssh ubuntu服务器我只想看看我是否可以使用SSH从我的Android手机连接到Linux服务器，但是它不起作用.当我在android手机上启动该应用程序时，该应用程序崩溃了我已经附上了代码和LogCat文件我是Java和Eclipse的新手
I am trying to connect to my open ssh ubuntu server using jsch I just want to see if I can connect from my android phone to a linux server using SSH but it doesn't work. when i launch the app on the android phone the app crashes i have attached the code and the LogCat file I am new to java and eclipse
这是我的代码
package com.example.please;
import java.util.Properties;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.content.Context;
import android.view.Menu;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends Activity {
Button button;
EditText usr_nm;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
System.out.println("working");
button=(Button) findViewById(R.id.btn);
//button.setOnClickListener(handle);
usr_nm = (EditText)findViewById(R.id.editText1);
String host="x.x.x.x";
new loadsomestuff().execute(host);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public class loadsomestuff extends AsyncTask<String, Integer, String>{
String asd;
@Override
protected String doInBackground(String... arg0) {
JSch jsch=new JSch();
Properties props = new Properties();
props.put("StrictHostKeyChecking", "no");
Properties config = new Properties();
config.put("StrictHostKeyChecking", "no");
config.put("compression.s2c", "zlib,none");
config.put("compression.c2s", "zlib,none");
Session session;
try {
session = jsch.getSession("user", "x.x.x.x",22);
session.setConfig(config);
session.setPassword("xxxxxxx");
session.connect();
} catch (JSchException e) {
asd = "NOT_Executed";
System.out.println("NOT_executed");
e.printStackTrace();
return "NOT_Executed";
}
Context context = getApplicationContext();
CharSequence text = "Connected to Pi";
int duration = android.widget.Toast.LENGTH_SHORT;
android.widget.Toast toast = android.widget.Toast.makeText(context, text, duration);
toast.show();
System.out.println("executed");
asd = "executed";
return "Executed";
//return null;
}
@Override
protected void onPostExecute(String abc){
usr_nm.setText(asd);
}
}
}
LogCat显示以下内容
The LogCat shows the following
07-31 16:21:53.298: E/Trace(781): error opening trace file: No such file or directory (2)
07-31 16:21:53.858: I/System.out(781): working
07-31 16:21:54.028: I/Choreographer(781): Skipped 38 frames! The application may be doing too much work on its main thread.
07-31 16:21:54.078: D/gralloc_goldfish(781): Emulator without GPU emulation detected.
07-31 16:21:54.177: I/Choreographer(781): Skipped 46 frames! The application may be doing too much work on its main thread.
07-31 16:21:54.547: I/System.out(781): NOT_executed
07-31 16:21:54.547: W/System.err(781): com.jcraft.jsch.JSchException: java.net.SocketException: socket failed: EACCES (Permission denied)
07-31 16:21:54.557: W/System.err(781): at com.jcraft.jsch.Util.createSocket(Util.java:344)
07-31 16:21:54.557: W/System.err(781): at com.jcraft.jsch.Session.connect(Session.java:215)
07-31 16:21:54.557: W/System.err(781): at com.jcraft.jsch.Session.connect(Session.java:183)
07-31 16:21:54.557: W/System.err(781): at com.example.please.MainActivity$loadsomestuff.doInBackground(MainActivity.java:64)
07-31 16:21:54.557: W/System.err(781): at com.example.please.MainActivity$loadsomestuff.doInBackground(MainActivity.java:1)
07-31 16:21:54.557: W/System.err(781): at android.os.AsyncTask$2.call(AsyncTask.java:287)
07-31 16:21:54.557: W/System.err(781): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
07-31 16:21:54.567: W/System.err(781): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
07-31 16:21:54.567: W/System.err(781): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
07-31 16:21:54.577: W/System.err(781): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
07-31 16:21:54.577: W/System.err(781): at java.lang.Thread.run(Thread.java:856)
07-31 16:21:54.577: W/System.err(781): Caused by: java.net.SocketException: socket failed: EACCES (Permission denied)
07-31 16:21:54.577: W/System.err(781): at libcore.io.IoBridge.socket(IoBridge.java:583)
07-31 16:21:54.588: W/System.err(781): at java.net.PlainSocketImpl.create(PlainSocketImpl.java:201)
07-31 16:21:54.588: W/System.err(781): at java.net.Socket.startupSocket(Socket.java:559)
07-31 16:21:54.588: W/System.err(781): at java.net.Socket.tryAllAddresses(Socket.java:127)
07-31 16:21:54.588: W/System.err(781): at java.net.Socket.<init>(Socket.java:177)
07-31 16:21:54.588: W/System.err(781): at java.net.Socket.<init>(Socket.java:149)
07-31 16:21:54.598: W/System.err(781): at com.jcraft.jsch.Util.createSocket(Util.java:338)
07-31 16:21:54.608: W/System.err(781): ... 10 more
07-31 16:21:54.608: W/System.err(781): Caused by: libcore.io.ErrnoException: socket failed: EACCES (Permission denied)
07-31 16:21:54.618: W/System.err(781): at libcore.io.Posix.socket(Native Method)
07-31 16:21:54.618: W/System.err(781): at libcore.io.BlockGuardOs.socket(BlockGuardOs.java:181)
07-31 16:21:54.618: W/System.err(781): at libcore.io.IoBridge.socket(IoBridge.java:568)
07-31 16:21:54.618: W/System.err(781): ... 16 more
请帮助
推荐答案
您的应用程序必须在其 AndroidManifest.xml 中具有以下权限:
Your application must have the following permission in its AndroidManifest.xml:
<uses-permission android:name="android.permission.INTERNET"/>
这篇关于如何使用JSCH连接到SSH服务器?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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