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POandroid fatal exception for class not found errors
 

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  1. POandroid fatal exception for class not found errors
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    <p>In the previous question ive asked, ive put all the necessary catch statements to find the exception. here is another one. i am posting the questions with exceptions, because it is easy to find an error by looking at them. since i am new to android, i am posting this type of questions.please see the code below. its saying no class found exception. but i have loaded the jcifs package jcifs-1.3.17.jar. i am not getting why the exception is thrown. please see below:</p> <p>code:</p> <pre><code>package com.android.accesspc; import jcifs.smb.NtlmPasswordAuthentication; import jcifs.smb.SmbFile; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class userpassActivity extends Activity { EditText userName,userPassword; String uName,uPassword,IP,MAC; void help(int x) { userName=(EditText)findViewById(R.id.userpassUsername); uName = userName.getText().toString(); userPassword=(EditText)findViewById(R.id.userpassPassword); uPassword = userPassword.getText().toString(); String url= "smb://" + IP + "/"; NtlmPasswordAuthentication auth; auth= new NtlmPasswordAuthentication(null,uName, uPassword); try { SmbFile a[]=(new SmbFile(url, auth)).listFiles(); switch(x) { case 0: Intent intent=new Intent("com.android.accesspc.VIEW"); intent.putExtra("IP",IP); intent.putExtra("USERNAME",uName); intent.putExtra("PASSWORD",uPassword); startActivity(intent); break; case 1: //code to switch off the system by checking users log on //need to communicate with darshan's program default: finish(); } } catch(Exception e) { Toast.makeText(this,"Username and password is invalid OR",Toast.LENGTH_SHORT).show(); Toast.makeText(this,"Sytem may be busy OR",Toast.LENGTH_SHORT).show(); Toast.makeText(this,"Network error",Toast.LENGTH_SHORT).show(); Toast.makeText(this,"TRY AGAIN!!",Toast.LENGTH_SHORT).show(); } } @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.userpass); final Bundle extras = getIntent().getExtras(); if(extras !=null) { //values from previous activity IP = extras.getString("IPfromMacIp"); MAC = extras.getString("MACfromMacIp"); } Button send=(Button)findViewById(R.id.userpassSendButton); send.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if(extras !=null) { help(0); } } }); Button end=(Button)findViewById(R.id.userpassEndButton); end.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if(extras !=null) { help(1); } } }); } } </code></pre> <p>Exception:</p> <pre><code>05-08 17:17:42.905: E/AndroidRuntime(398): FATAL EXCEPTION: main 05-08 17:17:42.905: E/AndroidRuntime(398): java.lang.NoClassDefFoundError: jcifs.smb.NtlmPasswordAuthentication 05-08 17:17:42.905: E/AndroidRuntime(398): at com.android.accesspc.userpassActivity.help(userpassActivity.java:25) 05-08 17:17:42.905: E/AndroidRuntime(398): at com.android.accesspc.userpassActivity$1.onClick(userpassActivity.java:73) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.View.performClick(View.java:2485) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.View.onKeyUp(View.java:4257) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.widget.TextView.onKeyUp(TextView.java:4566) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.KeyEvent.dispatch(KeyEvent.java:1280) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.View.dispatchKeyEvent(View.java:3855) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:789) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:789) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:789) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:789) 05-08 17:17:42.905: E/AndroidRuntime(398): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchKeyEvent(PhoneWindow.java:1687) 05-08 17:17:42.905: E/AndroidRuntime(398): at com.android.internal.policy.impl.PhoneWindow.superDispatchKeyEvent(PhoneWindow.java:1120) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.app.Activity.dispatchKeyEvent(Activity.java:2073) 05-08 17:17:42.905: E/AndroidRuntime(398): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1663) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.ViewRoot.deliverKeyEventToViewHierarchy(ViewRoot.java:2560) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.ViewRoot.handleFinishedEvent(ViewRoot.java:2535) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.view.ViewRoot.handleMessage(ViewRoot.java:1867) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.os.Handler.dispatchMessage(Handler.java:99) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.os.Looper.loop(Looper.java:123) 05-08 17:17:42.905: E/AndroidRuntime(398): at android.app.ActivityThread.main(ActivityThread.java:3683) 05-08 17:17:42.905: E/AndroidRuntime(398): at java.lang.reflect.Method.invokeNative(Native Method) 05-08 17:17:42.905: E/AndroidRuntime(398): at java.lang.reflect.Method.invoke(Method.java:507) 05-08 17:17:42.905: E/AndroidRuntime(398): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 05-08 17:17:42.905: E/AndroidRuntime(398): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 05-08 17:17:42.905: E/AndroidRuntime(398): at dalvik.system.NativeStart.main(Native Method) </code></pre>
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    1. COadd your activity to manifest.xml
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    2. COthis is not really an android question...but yeah...where is this file? NtlmPasswordAuthentication ?
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    3. COmust see this Que..http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars/10046725#10046725
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