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我正在開發將文件發送到url數據庫的應用程序。我只是試圖發送一張照片。目前我在我的java中得到一個noclassDefFound錯誤。我已經嘗試更新java，刪除並再次添加jar文件，並且我仔細檢查了我的清單以獲取適當的權限，所以我來這裏尋求幫助。我發佈了LogCat，但我將問題縮小爲兩行代碼：FTP類中爲24，上傳媒體類中爲82。我還包括有問題的課程和我的清單。ftp客戶端上的noClassDefFound錯誤：org.apache.commons.net.ftp.FTPClient
logcat的
10-04 11:33:36.028: E/AndroidRuntime(5013): FATAL EXCEPTION: main
10-04 11:33:36.028: E/AndroidRuntime(5013): java.lang.NoClassDefFoundError: org.apache.commons.net.ftp.FTPClient
10-04 11:33:36.028: E/AndroidRuntime(5013): at com.cameratest.UploadFTP.FTPUpload(UploadFTP.java:23)
10-04 11:33:36.028: E/AndroidRuntime(5013): at com.cameratest.UploadMedia.onActivityResult(UploadMedia.java:80)
10-04 11:33:36.028: E/AndroidRuntime(5013): at android.app.Activity.dispatchActivityResult(Activity.java:5192)
10-04 11:33:36.028: E/AndroidRuntime(5013): at android.app.ActivityThread.deliverResults(ActivityThread.java:3137)
10-04 11:33:36.028: E/AndroidRuntime(5013): at android.app.ActivityThread.handleSendResult(ActivityThread.java:3184)
10-04 11:33:36.028: E/AndroidRuntime(5013): at android.app.ActivityThread.access$1100(ActivityThread.java:130)
10-04 11:33:36.028: E/AndroidRuntime(5013): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1243)
10-04 11:33:36.028: E/AndroidRuntime(5013): at android.os.Handler.dispatchMessage(Handler.java:99)
10-04 11:33:36.028: E/AndroidRuntime(5013): at android.os.Looper.loop(Looper.java:137)
10-04 11:33:36.028: E/AndroidRuntime(5013): at android.app.ActivityThread.main(ActivityThread.java:4745)
10-04 11:33:36.028: E/AndroidRuntime(5013): at java.lang.reflect.Method.invokeNative(Native Method)
10-04 11:33:36.028: E/AndroidRuntime(5013): at java.lang.reflect.Method.invoke(Method.java:511)
10-04 11:33:36.028: E/AndroidRuntime(5013): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
10-04 11:33:36.028: E/AndroidRuntime(5013): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
10-04 11:33:36.028: E/AndroidRuntime(5013): at dalvik.system.NativeStart.main(Native Method)
清單
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.cameratest"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="15" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.RECORD_VIDEO" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".Main"
android:label="@string/title_activity_main" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="sate2012.avatar.android.UploadMedia"
android:label="@string/app_name"
android:screenOrientation="landscape" >
</activity>
<activity
android:name="sate2012.avatar.android.MailSenderActivity"
android:label="Upload Data Point" >
<intent-filter>
<action android:name="android.intent.action.MAILSENDERACTIVITY" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name="sate2012.avatar.android.GMailSender"
android:label="@string/title_mail_sender_activity"
android:screenOrientation="landscape" >
<intent-filter>
<action android:name="sate2012.avatar.android.GMAILSENDER" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name="sate2012.avatar.android.UploadData"
android:label="UploadData" >
<intent-filter>
<action android:name="sate2012.avatar.android.UPLOADDATA" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name=".UploadMedia"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.UPLOAD_MEDIA" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity
android:name=".Photographer"
android:label="photoclass" >
<intent-filter>
<action android:name="android.intent.action.PHOTOGRAPHER" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".UploadFTP"
android:label="photoclass" >
<intent-filter>
<action android:name="android.intent.action.UPLOAD_FTP" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
FTP類
package com.cameratest;
import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.content.Context;
import java.io.IOException;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.net.InetAddress;
import org.apache.commons.net.ftp.FTPClient;
public class UploadFTP extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
public static String FTPUpload(String filepath, String extension, Context thisContext) {
FTPClient ftpClient = new FTPClient();
long time = (System.currentTimeMillis());
String filename = "T" + time;
try {
ftpClient.connect(InetAddress.getByName("24.123.68.146"));
ftpClient.login("opensim", "widdlyscuds");
ftpClient.changeWorkingDirectory("../../var/www/avatar/Uploaded");
if (ftpClient.getReplyString().contains("250")) {
Handler progressHandler = new Handler();
ftpClient.setFileType(org.apache.commons.net.ftp.FTP.BINARY_FILE_TYPE);
BufferedInputStream buffIn = null;
buffIn = new BufferedInputStream(new FileInputStream(filepath));
ftpClient.enterLocalPassiveMode();
ProgressInputStream progressInput = new ProgressInputStream(buffIn, progressHandler);
ftpClient.storeFile(filename + extension, progressInput);
buffIn.close();
ftpClient.logout();
ftpClient.disconnect();
}
} catch (IOException e) {
}
return filename + extension;
}
}
上傳媒體：調用ftp類
package com.cameratest;
import java.io.File;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageButton;
/**
* The Upload Menu Allows the user to select different media types to upload to
* the server
*/
public class UploadMedia extends Activity implements OnClickListener {
private File sd;
private File storageFolder;
private File mediaFolder;
private ImageButton pictureB;
private String dataType;
private String media_filepath;
private String media_filename;
private String media_extension;
private static String image_filepath;
public static Context thisContext;
/**
* Called when the activity is first created.
*/
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
thisContext = getApplicationContext();
setContentView(R.layout.upload_menu);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
createStorageDirectory();
pictureB = (ImageButton) findViewById(R.id.cameraButton);
pictureB.setOnClickListener(this);
}
/**
* Responds to whatever button is pressed
*
* @param View
* v - the button clicked
*/
public void onClick(View v) {
Intent i;
switch (v.getId()) {
case (R.id.cameraButton):
dataType = getResources().getString(R.string.type_picture);
i = new Intent(UploadMedia.this, Photographer.class);
startActivityForResult(i, Globals.CAMERA_REQUEST);
break;
}
}
public void onBackPressed() {
finish();
}
/**
* Called when the individual activities (picture, video, audio) finish.
*/
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
// super.onActivityResult(requestCode, resultCode, data);
if (resultCode == Activity.RESULT_OK) {
if (requestCode == Globals.CAMERA_REQUEST) {
media_filepath = getImage_filepath();
media_extension = "_P.png";
}
media_filename = UploadFTP.FTPUpload(media_filepath,
media_extension, thisContext);
Intent MailIntent = new Intent(getApplicationContext(),
MailSenderActivity.class);
MailIntent.putExtra("Type", dataType);
MailIntent.putExtra("Filename", media_filename);
startActivity(MailIntent);
finish();
}
}
public static void setImage_filepath(String fp) {
image_filepath = fp;
}
public String getImage_filepath() {
return image_filepath;
}
@Override
public void onDestroy() {
finish();
super.onDestroy();
}
public void createStorageDirectory() {
sd = Environment.getExternalStorageDirectory();
storageFolder = new File(sd, Globals.STORAGE_DIRECTORY);
if (sd.canWrite()) {
if (!storageFolder.exists())
storageFolder.mkdir();
mediaFolder = new File(sd, Globals.STORAGE_DIRECTORY
+ Globals.MEDIA_DIRECTORY);
if (!mediaFolder.exists())
mediaFolder.mkdir();
}
}
}
http://stackoverflow.com/a/12619865/1012284 –