我有以下代码使用smack 4.1.0与xmpp服务器im.koderoot.net连接，这个主机/服务正在为java应用程序工作，我已经使用了smack3.1.0和smacx3.1.0但在java中我我正在使用它抛出以下异常
09-01 18:29:18.921: E/SMACK EXCEPTION(1577): org.jivesoftware.smack.SmackException$ConnectionException: The following addresses failed: im.koderoot.net:5222 Exception: null
MainActivity.java
package com.example.zzxmpp;
import java.io.IOException;
import org.jivesoftware.smack.ConnectionListener;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.tcp.XMPPTCPConnection;
import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends Activity implements OnClickListener{
private XMPPTCPConnection mConnection;
private Button connect;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
connect = (Button) findViewById(R.id.button1);
connect.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
XMPPTCPConnectionConfiguration.XMPPTCPConnectionConfigurationBuilder builder = XMPPTCPConnectionConfiguration.builder();
builder.setServiceName("im.koderoot.net");
builder.setPort(5222);
builder.setResource("SmackAndroidTestClient");
builder.setUsernameAndPassword("xxxx", "xxxx");
builder.setRosterLoadedAtLogin(true);
mConnection = new XMPPTCPConnection(builder.build());
//Set ConnectionListener here to catch initial connect();
// mConnection.addConnectionListener(this);
try {
mConnection.connect();
mConnection.login();
Toast.makeText(getApplicationContext(), "Sucess", Toast.LENGTH_LONG).show();
} catch (SmackException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Toast.makeText(getApplicationContext(), "Smack Exception"+e, Toast.LENGTH_LONG).show();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Toast.makeText(getApplicationContext(), "IO Exception"+e, Toast.LENGTH_LONG).show();
} catch (XMPPException e) {
// TODO Auto-generated catch block
e.printStackTrace();
Toast.makeText(getApplicationContext(), "XMPP Exception"+e, Toast.LENGTH_LONG).show();
}
}
}
我在项目中有以下.jar文件
咂嘴-机器人-4.1.0-alpha6.jar
咂嘴-TCP-4.1.0-alpha6.jar
minidns-0.1.1.jar
咂嘴，SASL的提供的-4.1.0-alpha6.jar
咂嘴核-4.1.0-alpha6.jar
拍击 - 解析器-minidns-4.1.0-alpha6.jar
jxmpp-util的缓存-0.4.0-alpha2.jar
jxmpp核-0.4.0.jar
我自己找到了以下工作方案
用asmack-2010.05.07.jar和asmack-jse-buddycloud-2010.12.11.jar替换所有jar文件
并将代码更改为以下
package com.demo.xmppchat;
import java.util.ArrayList;
import java.util.Collection;
import org.jivesoftware.smack.ConnectionConfiguration;
import org.jivesoftware.smack.PacketListener;
import org.jivesoftware.smack.Roster;
import org.jivesoftware.smack.RosterEntry;
import org.jivesoftware.smack.SASLAuthentication;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.filter.MessageTypeFilter;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smack.util.StringUtils;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
public class XMPPChatDemoActivity extends Activity {
public static final String HOST = "im.koderoot.net";
public static final int PORT = 5222;
//public static final String SERVICE = "slogin.oscar.aol.com";
public static final String USERNAME = "XXXXXXX";
public static final String PASSWORD = "XXXXXX";
private XMPPConnection connection;
private ArrayList<String> messages = new ArrayList<String>();
private Handler mHandler = new Handler();
private EditText recipient;
private EditText textMessage;
private ListView listview;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
recipient = (EditText) this.findViewById(R.id.toET);
textMessage = (EditText) this.findViewById(R.id.chatET);
listview = (ListView) this.findViewById(R.id.listMessages);
setListAdapter();
// Set a listener to send a chat text message
Button send = (Button) this.findViewById(R.id.sendBtn);
send.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
String to = recipient.getText().toString();
String text = textMessage.getText().toString();
Log.i("XMPPChatDemoActivity", "Sending text " + text + " to " + to);
Message msg = new Message(to, Message.Type.chat);
msg.setBody(text);
if (connection != null) {
connection.sendPacket(msg);
messages.add(connection.getUser() + ":");
messages.add(text);
setListAdapter();
}
}
});
connect();
}
/**
* Called by Settings dialog when a connection is established 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.addPacketListener(new PacketListener() {
@Override
public void processPacket(Packet packet) {
Message message = (Message) packet;
if (message.getBody() != null) {
String fromName = StringUtils.parseBareAddress(message
.getFrom());
Log.i("XMPPChatDemoActivity", "Text Recieved " + 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);
}
}
private void setListAdapter() {
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
R.layout.listitem, messages);
listview.setAdapter(adapter);
}
@Override
protected void onDestroy() {
super.onDestroy();
try {
if (connection != null)
connection.disconnect();
} catch (Exception e) {
}
}
public void connect() {
final ProgressDialog dialog = ProgressDialog.show(this,
"Connecting...", "Please wait...", false);
Thread t = new Thread(new Runnable() {
@Override
public void run() {
// Create a connection
ConnectionConfiguration connConfig = new ConnectionConfiguration(
HOST, PORT);//, SERVICE);
XMPPConnection connection = new XMPPConnection(connConfig);
try {
connection.connect();
Log.i("XMPPChatDemoActivity",
"Connected to " + connection.getHost());
} catch (XMPPException ex) {
Log.e("XMPPChatDemoActivity", "Failed to connect to "
+ connection.getHost());
Log.e("XMPPChatDemoActivity", ex.toString());
setConnection(null);
}
try {
SASLAuthentication.supportSASLMechanism("PLAIN", 0);
connection.login(USERNAME, PASSWORD);
Log.i("XMPPChatDemoActivity",
"Logged in as " + connection.getUser());
// Set the status to available
Presence presence = new Presence(Presence.Type.available);
connection.sendPacket(presence);
setConnection(connection);
Roster roster = connection.getRoster();
Collection<RosterEntry> entries = roster.getEntries();
for (RosterEntry entry : entries) {
Log.d("XMPPChatDemoActivity",
"--------------------------------------");
Log.d("XMPPChatDemoActivity", "RosterEntry " + entry);
Log.d("XMPPChatDemoActivity",
"User: " + entry.getUser());
Log.d("XMPPChatDemoActivity",
"Name: " + entry.getName());
Log.d("XMPPChatDemoActivity",
"Status: " + entry.getStatus());
Log.d("XMPPChatDemoActivity",
"Type: " + entry.getType());
Presence entryPresence = roster.getPresence(entry
.getUser());
Log.d("XMPPChatDemoActivity", "Presence Status: "
+ entryPresence.getStatus());
Log.d("XMPPChatDemoActivity", "Presence Type: "
+ entryPresence.getType());
Presence.Type type = entryPresence.getType();
if (type == Presence.Type.available)
Log.d("XMPPChatDemoActivity", "Presence AVIALABLE");
Log.d("XMPPChatDemoActivity", "Presence : "
+ entryPresence);
}
} catch (XMPPException ex) {
Log.e("XMPPChatDemoActivity", "Failed to log in as "
+ USERNAME);
Log.e("XMPPChatDemoActivity", ex.toString());
setConnection(null);
}
dialog.dismiss();
}
});
t.start();
dialog.show();
}
}
答案 0 :(得分：2)
无法访问主机时抛出ConnectionException。
检查以下内容可能会对您有所帮助。
uses-permission android：name =＆＃34; android.permission.INTERNET＆＃34;
我刚刚在im.koderoot.net注册并使用smack4.1.3进行连接而没有问题。
还有一件事是你的代码会长期导致ANR（应用程序无响应），但这是另一个主题。