android：无法上传文件到FTP服务器
问题描述：
我想上传一个音频文件从SD卡到FTP服务器。在logcat中显示以下信息..android：无法上传文件到FTP服务器
09-04 18:47:10.767: W/System.err(12584): java.net.ConnectException: failed to connect to /127.0.0.1 (port 21): connect failed: ECONNREFUSED (Connection refused)
09-04 18:47:10.777: W/System.err(12584): at libcore.io.IoBridge.connect(IoBridge.java:120)
09-04 18:47:10.777: W/System.err(12584): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
09-04 18:47:10.777: W/System.err(12584): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
09-04 18:47:10.777: W/System.err(12584): at java.net.Socket.connect(Socket.java:849)
09-04 18:47:10.777: W/System.err(12584): at org.apache.commons.net.SocketClient.connect(SocketClient.java:176)
09-04 18:47:10.777: W/System.err(12584): at org.apache.commons.net.SocketClient.connect(SocketClient.java:268)
09-04 18:47:10.777: W/System.err(12584): at com.example.andro.MainActivity$AsyncUpload.ftpUpload(MainActivity.java:56)
09-04 18:47:10.777: W/System.err(12584): at com.example.andro.MainActivity$AsyncUpload.doInBackground(MainActivity.java:91)
09-04 18:47:10.777: W/System.err(12584): at com.example.andro.MainActivity$AsyncUpload.doInBackground(MainActivity.java:1)
09-04 18:47:10.777: W/System.err(12584): at android.os.AsyncTask$2.call(AsyncTask.java:264)
09-04 18:47:10.777: W/System.err(12584): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
09-04 18:47:10.777: W/System.err(12584): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
09-04 18:47:10.777: W/System.err(12584): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:208)
09-04 18:47:10.777: W/System.err(12584): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
09-04 18:47:10.777: W/System.err(12584): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
09-04 18:47:10.777: W/System.err(12584): at java.lang.Thread.run(Thread.java:856)
09-04 18:47:10.777: W/System.err(12584): Caused by: libcore.io.ErrnoException: connect failed: ECONNREFUSED (Connection refused)
09-04 18:47:10.787: W/System.err(12584): at libcore.io.Posix.connect(Native Method)
09-04 18:47:10.787: W/System.err(12584): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:85)
09-04 18:47:10.787: W/System.err(12584): at libcore.io.IoBridge.connectErrno(IoBridge.java:133)
09-04 18:47:10.787: W/System.err(12584): at libcore.io.IoBridge.connect(IoBridge.java:118)
09-04 18:47:10.787: W/System.err(12584): ... 15 more
09-04 18:47:10.787: W/dalvikvm(12584): threadid=11: thread exiting with uncaught exception (group=0x2b542210)
09-04 18:47:10.797: E/AndroidRuntime(12584): FATAL EXCEPTION: AsyncTask #1
09-04 18:47:10.797: E/AndroidRuntime(12584): java.lang.RuntimeException: An error occured while executing doInBackground()
09-04 18:47:10.797: E/AndroidRuntime(12584): at android.os.AsyncTask$3.done(AsyncTask.java:278)
09-04 18:47:10.797: E/AndroidRuntime(12584): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273)
09-04 18:47:10.797: E/AndroidRuntime(12584): at java.util.concurrent.FutureTask.setException(FutureTask.java:124)
09-04 18:47:10.797: E/AndroidRuntime(12584): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307)
09-04 18:47:10.797: E/AndroidRuntime(12584): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
09-04 18:47:10.797: E/AndroidRuntime(12584): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:208)
09-04 18:47:10.797: E/AndroidRuntime(12584): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
09-04 18:47:10.797: E/AndroidRuntime(12584): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
09-04 18:47:10.797: E/AndroidRuntime(12584): at java.lang.Thread.run(Thread.java:856)
09-04 18:47:10.797: E/AndroidRuntime(12584): Caused by: java.lang.NullPointerException
09-04 18:47:10.797: E/AndroidRuntime(12584): at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:471)
09-04 18:47:10.797: E/AndroidRuntime(12584): at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:534)
09-04 18:47:10.797: E/AndroidRuntime(12584): at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:583)
09-04 18:47:10.797: E/AndroidRuntime(12584): at org.apache.commons.net.ftp.FTP.quit(FTP.java:794)
09-04 18:47:10.797: E/AndroidRuntime(12584): at org.apache.commons.net.ftp.FTPClient.logout(FTPClient.java:697)
09-04 18:47:10.797: E/AndroidRuntime(12584): at com.example.andro.MainActivity$AsyncUpload.ftpUpload(MainActivity.java:79)
09-04 18:47:10.797: E/AndroidRuntime(12584): at com.example.andro.MainActivity$AsyncUpload.doInBackground(MainActivity.java:91)
09-04 18:47:10.797: E/AndroidRuntime(12584): at com.example.andro.MainActivity$AsyncUpload.doInBackground(MainActivity.java:1)
09-04 18:47:10.797: E/AndroidRuntime(12584): at android.os.AsyncTask$2.call(AsyncTask.java:264)
09-04 18:47:10.797: E/AndroidRuntime(12584): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
09-04 18:47:10.797: E/AndroidRuntime(12584): ... 5 more
我的代码是：
public class MainActivity extends Activity {
TextView tv1;
Button bt1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv1 = (TextView) findViewById(R.id.textView1);
bt1 = (Button) findViewById(R.id.button1);
bt1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(new AsyncUpload().execute() != null)
tv1.setText("uploaded");
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
class AsyncUpload extends AsyncTask<String, Void, Void>{
public boolean ftpUpload(){
FTPClient con = new FTPClient();
try
{
con.connect("127.0.0.1"); //here i receive exception
//the exception is java.unknownhostexception
//java.net.UnknownHostException: Unable to resolve host "ftp.194.90.81.149": No address associated with hostname
if (con.login("android", "123"))
{
con.enterLocalPassiveMode();
String data = Environment.getExternalStorageDirectory().getPath() + "audiorecordtest.3gp";
ByteArrayInputStream in = new ByteArrayInputStream(data.getBytes());
boolean result = con.storeFile("/test.3gp", in);
in.close();
if (result) Log.v("upload result", "succeeded");
return true;
}
}
catch (Exception e)
{
e.printStackTrace();
}
try
{
con.logout();
con.disconnect();
}
catch (IOException e)
{
e.printStackTrace();
}
return false;
}
@Override
protected Void doInBackground(String... params) {
ftpUpload();
return null;
}
}
}
答
我不知道这个人会工作或not.Try，让我知道
代码：
protected Void doInBackground(Void... arg0) {
Intent intent = new Intent();
final PendingIntent pendingIntent = PendingIntent.getActivity(getApplicationContext(), 0, intent, 0);
// configure the notification
notification.flags = notification.flags | Notification.FLAG_ONGOING_EVENT;
notification.contentView = new RemoteViews(getApplicationContext().getPackageName(), R.layout.uploadprogress);
notification.contentIntent = pendingIntent;
notification.contentView.setImageViewResource(R.id.status_icon, R.drawable.progressbar);
notification.contentView.setTextViewText(R.id.status_text, "Uploading...");
notification.contentView.setProgressBar(R.id.status_progress, 100, progress, false);
notificationManager = (NotificationManager) getApplicationContext().getSystemService(
getApplicationContext().NOTIFICATION_SERVICE);
notificationManager.notify(10, notification);
final SharedPreferences prefs = PreferenceManager
.getDefaultSharedPreferences(getApplicationContext());
UUID uniqueKey = UUID.randomUUID();
fname = uniqueKey.toString();
Log.e("UNIQUE NAME", fname);
String hostName = "MY HOST NAME";
String username = "test";
String password = "****";
String location = selectedPath;
InputStream in = null;
try {
Thread upload = new Thread() {
@Override
public void run() {
for (int i = 1; i < 100; i++) {
progress=progress+1;
notification.contentView.setProgressBar(R.id.status_progress, 100, progress, false);
// inform the progress bar of updates in progress
notificationManager.notify(id, notification);
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
};
upload.run();
FTPClient ftp = new FTPClient();
ftp.connect(hostName);
ftp.login(username, password);
ftp.setFileType(FTP.BINARY_FILE_TYPE);
ftp.enterLocalPassiveMode();
ftp.changeWorkingDirectory("/uploads");
int reply = ftp.getReplyCode();
System.out.println("Received Reply from FTP Connection:" + reply);
if (FTPReply.isPositiveCompletion(reply)) {
System.out.println("Connected Success");
}
File f1 = new File(location);
in = new FileInputStream(f1);
ftp.storeFile(fname+"."+extension, in);
System.out.println("SUCCESS");
System.out.println("Video Title:" +strTitle+" is uploaded successfully");
System.out.println("Video Name:" +fname+" is uploaded successfully");
ftp.logout();
ftp.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
StringBuffer inStreamBuf = new StringBuffer();
strUserName = prefs.getString(
getResources().getString(R.string.username), null);
strToken = prefs.getString(
getResources().getString(R.string.token), null);
url = prefs.getString("VALUE", null);
try {
inStreamBuf = XmlUtil.getUploadAuthResponse(url,
strUserName, strToken, strType, strTitle,
fname, strDesc, strCatId, strTags, strAccess,
strComments, strEmbed, strRating, strPublish);
strXmlResponse = inStreamBuf.toString();
Log.e("Response:", strXmlResponse);
DocumentBuilder db = DocumentBuilderFactory
.newInstance().newDocumentBuilder();
InputSource is = new InputSource();
is.setCharacterStream(new StringReader(strXmlResponse));
Document doc = db.parse(is);
NodeList nodes = doc
.getElementsByTagName(getResources().getString(
R.string.xmlResponse));
Element element = (Element) nodes.item(0);
NodeList nl_request_type = element
.getElementsByTagName(getResources().getString(
R.string.response));
Element el_request_type = (Element) nl_request_type
.item(0);
String strType = getCharacterDataFromElement(el_request_type);
// System.out.println("Response----------->"+strType);
if (strType.equalsIgnoreCase(getResources().getString(
R.string.success))) {
finish();
Intent intent1 = new Intent(NewVideoActivity.this,
MainscreenActivity.class);
startActivity(intent);
} else if (strType.equalsIgnoreCase(getResources()
.getString(R.string.expired))) {
XmlUtil.session = null;
Intent intent2 = new Intent(NewVideoActivity.this,
MainscreenActivity.class);
startActivity(intent);
finish();
System.exit(0);
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
notificationManager.cancel(10);
return null;
}
答
也许你已经在编译或测试范围内连接了你的FTP库（例如，IDEA允许这样的技巧），所以它在编译时就是这样，但是缺少运行时。你使用哪个IDE？
+0
eclipse juno JEE版本 – user1624424
答
我认为问题在于你的FTP连接。它说权限被拒绝..
请添加权限
<uses-permission android:name="android.permission.INTERNET"/>
在您的清单
+0
尝试添加权限仍然没有用。 – user1624424
+0
ok然后而不是添加127.0.0.1或localhost使用您的真实IP地址如192.168.0.1等。 – NullPointerException
请格式化你的logcat输出 – njzk2
还，问题不是上传文件，而是说FTPClient类不包含在你的项目中。 – njzk2
'java.lang.NoClassDefFoundError：org.apache.commons.net.ftp.FTPClient' 我认为问题是如何链接外部库 – xandy