XMPP and Android An error occured while executing doInBackground()

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I am new to XMPP please guide me how to send and receive iq packets in xmpp using android. Here is my code. when i debug my code it will give me this log error

06-12 16:08:22.032: E/AndroidRuntime(4063): FATAL EXCEPTION: AsyncTask #1
06-12 16:08:22.032: E/AndroidRuntime(4063): java.lang.RuntimeException: An error occured while executing doInBackground()
06-12 16:08:22.032: E/AndroidRuntime(4063): at android.os.AsyncTask$3.done(AsyncTask.java:299)
06-12 16:08:22.032: E/AndroidRuntime(4063): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
06-12 16:08:22.032: E/AndroidRuntime(4063): at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
06-12 16:08:22.032: E/AndroidRuntime(4063): at java.util.concurrent.FutureTask.run(FutureTask.java:239)
06-12 16:08:22.032: E/AndroidRuntime(4063): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
06-12 16:08:22.032: E/AndroidRuntime(4063): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
06-12 16:08:22.032: E/AndroidRuntime(4063): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
06-12 16:08:22.032: E/AndroidRuntime(4063): at java.lang.Thread.run(Thread.java:856)
06-12 16:08:22.032: E/AndroidRuntime(4063): Caused by: java.lang.ClassCastException: java.lang.Object[] cannot be cast to java.lang.String[]
06-12 16:08:22.032: E/AndroidRuntime(4063): at com.example.xmppclient.MyTask.doInBackground(MyTask.java:1)
06-12 16:08:22.032: E/AndroidRuntime(4063): at android.os.AsyncTask$2.call(AsyncTask.java:287)
06-12 16:08:22.032: E/AndroidRuntime(4063): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
06-12 16:08:22.032: E/AndroidRuntime(4063): ... 4 more
06-12 16:08:23.982: I/Choreographer(4063): Skipped 98 frames! The application may be doing too much work on its main thread.
06-12 16:08:25.391: I/Choreographer(4063): Skipped 59 frames! The application may be doing too much work on its main thread.

Here is my code

protected String doInBackground(String... urls) 
	     {  
        String host = "web.vlivetech.com";                                  //getText(R.id.host);
        String port =  "5222";                                             //getText(R.id.port);
        String service = "web.vlivetech.com";                             //getText(R.id.service);
        String username =  "has12345";                                   //getText(R.id.userid);
        String password =   "123";                                      //getText(R.id.password);

        // Create a connection
	        ConnectionConfiguration connConfig =
	        		new ConnectionConfiguration(host, Integer.parseInt(port), service);
	        XMPPConnection connection = new XMPPConnection(connConfig);

	        try {
	            connection.connect();
	            Log.i("XMPPClient", "[SettingsDialog] Connected to " + connection.getHost());
	        } catch (XMPPException ex) {
	            Log.e("XMPPClient", "[SettingsDialog] Failed to connect to " + connection.getHost());
	            MainActivity.setConnection(null);
	        }
	        try {
	            connection.login(username, password);
	            Log.i("XMPPClient", "Logged in as " + connection.getUser());

	            // Set the status to available
	            Presence presence = new Presence(Presence.Type.available);
	            connection.sendPacket(presence);
	            MainActivity.setConnection(connection);
	        } catch (XMPPException ex) {
	            Log.e("XMPPClient", "[SettingsDialog] Failed to log in as " + username);
	            MainActivity.setConnection(null);
	        }

	      return null;
	    }

Posted 12-Jun-14 6:14am

Member 10810250

Updated 12-Jun-14 6:16am

v2

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Member 10810250 12-Jun-14 12:15pm

public void onCreate(Bundle icicle) {
super.onCreate(icicle);
Log.i("XMPPClient", "onCreate called");
setContentView(R.layout.activity_main);

mRecipient = (EditText) this.findViewById(R.id.recipient);
Log.i("XMPPClient", "mRecipient = " + mRecipient);
mSendText = (EditText) this.findViewById(R.id.sendText);
Log.i("XMPPClient", "mSendText = " + mSendText);
mList = (ListView) this.findViewById(R.id.listMessages);
Log.i("XMPPClient", "mList = " + mList);
setListAdapter();

// Dialog for getting the xmpp settings
mDialog = new SettingsDialog(this);
new MyTask().execute();
// Set a listener to show the settings dialog
Button setup = (Button) this.findViewById(R.id.setup);
setup.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
new MyTask().execute();
}
});

// Set a listener to send a chat text message
Button send = (Button) this.findViewById(R.id.send);
send.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
String to = mRecipient.getText().toString();
String text = mSendText.getText().toString();

Log.i("XMPPClient", "Sending text [" + text + "] to [" + to + "]");
Message msg = new Message(to, Message.Type.chat);
msg.setBody(text);
((org.jivesoftware.smack.XMPPConnection) connection).sendPacket(msg);
messages.add(((org.jivesoftware.smack.XMPPConnection) connection).getUser() + ":");
messages.add(text);
setListAdapter();
}
});
}

/**
* Called by Settings dialog when a connection is establised with the XMPP server
*
* @param connection
*/
public void setConnection
(XMPPConnection
connection) {
this.connection = connection;
if (connection != null) {
// Add a packet listener to get messages sent to us
PacketFilter filter = new MessageTypeFilter(Message.Type.chat);
((Connection) connection).addPacketListener(new PacketListener() {
public void processPacket(Packet packet) {
Message message = (Message) packet;
if (message.getBody() != null) {
String fromName = StringUtils.parseBareAddress(message.getFrom());
Log.i("XMPPClient", "Got text [" + message.getBody() + "] from [" + fromName + "]");
messages.add(fromName + ":");
messages.add(message.getBody());
// Add the incoming message to the list view
mHandler.post(new Runnable() {
public void run() {
setListAdapter();
}
});
}
}
}, filter);
}
}

Member 10810250 12-Jun-14 12:16pm

here is my main activity code where is created connection

1 solution

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Xiao Ling · Answer 1 · 2014-06-12T23:58:00

Solution 1

It's ClassCastException

06-12 16:08:22.032: E/AndroidRuntime(4063): Caused by: java.lang.ClassCastException: java.lang.Object[] cannot be cast to java.lang.String[]

Find the relevant code, and fix it.

Posted 12-Jun-14 23:58pm

Xiao Ling

XMPP and Android An error occured while executing doInBackground()

1 solution

Solution 1

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XMPP and Android An error occured while executing doInBackground()

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