使用XMPP的iOS连接到ejabberd失败

我正在使用 https://github.com/robbiehanson/XMPPFramework 连接到我自己的计算机ejabberd服务器，但协商后始终失败。

I'm using https://github.com/robbiehanson/XMPPFramework to connect to my own ejabberd server, but it always failed after negotiation.

这是我得到的日志：
2014-01-17 07：14：40.780 Chat [48246：70b]错误：（空）

here is the log I got: 2014-01-17 07:14:40.780 Chat[48246:70b] error: (null)

2014-01-17 07：14：40.789聊天[48246：70b] xmppStreamWillConnect

2014-01-17 07:14:40.789 Chat[48246:70b] xmppStreamWillConnect

2014-01-17 07 ：14：46.0​​76聊天[48246：70b] socketDidConnect

2014-01-17 07:14:46.076 Chat[48246:70b] socketDidConnect

2014-01-17 07：14：46.0​​77聊天[48246：70b] xmppStreamDidStartNegotiation

2014-01-17 07:14:46.077 Chat[48246:70b] xmppStreamDidStartNegotiation

2014-01-17 07：14：51.799 Chat [48246：70b] xmppStreamDidDisconnect：Error Domain = GCDAsyncSocketErrorDomain代码= 7套接字已由远程对等关闭 UserInfo = 0x918d2e0 {NSLocalizedDescription =套接字已由远程关闭同行}

2014-01-17 07:14:51.799 Chat[48246:70b] xmppStreamDidDisconnect: Error Domain=GCDAsyncSocketErrorDomain Code=7 "Socket closed by remote peer" UserInfo=0x918d2e0 {NSLocalizedDescription=Socket closed by remote peer}

，这里是代码：

- (void)viewDidLoad
{
    [super viewDidLoad];

    self.stream = [[XMPPStream alloc] init];
    self.stream.myJID = [XMPPJID jidWithString:@"test@gmail.com"];
    self.stream.hostName = @"my host ip";
    self.stream.hostPort = 5222;
    [self.stream addDelegate:self delegateQueue:dispatch_get_main_queue()];

    self.reconnect = [[XMPPReconnect alloc] init];
    [self.reconnect activate:self.stream];

    self.muc = [[XMPPMUC alloc] init];
    [self.muc activate:self.stream];

    NSError *error = nil;
    if (![self.stream connectWithTimeout:XMPPStreamTimeoutNone error:&error]) {
        NSLog(@"error: %@", error);
    }
    NSLog(@"error: %@", error);
}


- (void)xmppStreamWillConnect:(XMPPStream *)sender
{
    NSLog(@"xmppStreamWillConnect");
}

- (void)xmppStream:(XMPPStream *)sender socketDidConnect:(GCDAsyncSocket *)socket
{
    NSLog(@"socketDidConnect");
}

- (void)xmppStreamDidStartNegotiation:(XMPPStream *)sender
{
    NSLog(@"xmppStreamDidStartNegotiation");
}

- (void)xmppStream:(XMPPStream *)sender willSecureWithSettings:(NSMutableDictionary *)settings
{
    NSLog(@"willSecureWithSettings: %@", settings);
}

- (void)xmppStreamDidSecure:(XMPPStream *)sender
{
    NSLog(@"xmppStreamDidSecure");
}

- (void)xmppStreamDidConnect:(XMPPStream *)sender
{
    NSLog(@"xmppStreamDidConnect");
    NSError *error = nil;
    [self.stream authenticateAnonymously:&error];
    NSLog(@"authenticate: %@", error);
}

- (void)xmppStreamDidRegister:(XMPPStream *)sender
{
    NSLog(@"xmppStreamDidRegister");
}

- (void)xmppStream:(XMPPStream *)sender didNotRegister:(NSXMLElement *)error
{
    NSLog(@"didNotRegister: %@", error);

}

- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
{
    NSLog(@"xmppStreamDidAuthenticate");
}

- (void)xmppStream:(XMPPStream *)sender didNotAuthenticate:(NSXMLElement *)error
{
    NSLog(@"didNotAuthenticate: %@", error);
}

- (void)xmppStreamWasToldToDisconnect:(XMPPStream *)sender
{
    NSLog(@"xmppStreamWasToldToDisconnect");
}

- (void)xmppStreamConnectDidTimeout:(XMPPStream *)sender
{
    NSLog(@"xmppStreamConnectDidTimeout");
}


- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
{
    NSLog(@"xmppStreamDidDisconnect: %@", error);
}