GCM using smack library NoResponseException: No response received within response timeout

I am new to gcm and I tried to connect to Cloud Connection Server (XMPP) GCM using Smack API. Everything was fine, My code:

uid = "123456789";
apiKey = "A**************B";
XMPPTCPConnectionConfiguration.Builder config;
config.setSocketFactory(SSLSocketFactory.getDefault());
    config = XMPPTCPConnectionConfiguration.builder();
    config.setUsernameAndPassword(uid,apiKey);
    config.setServiceName("gcm.googleapis.com");
    config.setHost("gcm.googleapis.com");
    config.setPort(5235);
    config.setDebuggerEnabled(true);
    mConnection = new XMPPTCPConnection(config.build());
    mConnection.setPacketReplyTimeout(10000);
    try {
         mConnection.connect();
         mConnection.login();
        }
   catch (SmackException | IOException | XMPPException e) {
            System.out.println("Exception at SmackCcsClient.init()");
            e.printStackTrace();
        }

      

But I couldn't go through the initial communication process. I used some bogus random GCMIDs to test the downstream messaging first and it showed up in the smack debug window, but later, the same code shows nothing after the following XML stream as Fixed sent packets :

<stream:stream xmlns='jabber:client' to='gcm.googleapis.com'  xmlns:stream='http://etherx.jabber.org/streams' version='1.0' xml:lang='en'>

      

and i tried

mConnection.login(uid+"@gcm.googleapis.com",apiKey);//even though i assume its next step of the handshake.

      

The console prints the following errors:

org.jivesoftware.smack.SmackException$NoResponseException: No response received within reply timeout. Timeout was 10000ms (~10s). Used filter: No filter used or filter was 'null'.
at org.jivesoftware.smack.SmackException$NoResponseException.newWith(SmackException.java:106)
at org.jivesoftware.smack.SmackException$NoResponseException.newWith(SmackException.java:85)
at org.jivesoftware.smack.SynchronizationPoint.checkForResponse(SynchronizationPoint.java:253)
at org.jivesoftware.smack.SynchronizationPoint.checkIfSuccessOrWait(SynchronizationPoint.java:146)
at org.jivesoftware.smack.SynchronizationPoint.checkIfSuccessOrWaitOrThrow(SynchronizationPoint.java:125)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.connectInternal(XMPPTCPConnection.java:837)
at org.jivesoftware.smack.AbstractXMPPConnection.connect(AbstractXMPPConnection.java:360)
at psdc.gcm.SmackCcsClient.init(SmackCcsClient.java:64)
at psdc.gcm.GCMServer.activate(GCMServer.java:44)
at psdc.servlets.Mapper.selectIds(Mapper.java:191)
at psdc.servlets.Mapper.doPost(Mapper.java:152)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:644)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659)
at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)

Jun 25, 2015 5:36:18 PM org.jivesoftware.smack.AbstractXMPPConnection callConnectionClosedOnErrorListener
WARNING: Connection closed with error
java.io.EOFException: input contained no data
    at org.xmlpull.mxp1.MXParser.fillBuf(MXParser.java:2965)
    at org.xmlpull.mxp1.MXParser.more(MXParser.java:3003)
    at org.xmlpull.mxp1.MXParser.parseProlog(MXParser.java:1409)
    at org.xmlpull.mxp1.MXParser.nextImpl(MXParser.java:1394)
    at org.xmlpull.mxp1.MXParser.next(MXParser.java:1092)
    at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.parsePackets(XMPPTCPConnection.java:1151)
    at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader.access$200(XMPPTCPConnection.java:937)
    at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketReader$1.run(XMPPTCPConnection.java:952)
    at java.lang.Thread.run(Unknown Source)

      

Please help me to solve this as I am really stuck with this and nowhere to go. Please tell me how to check if my xml request reached google or not.

Using SMACK Version 4.1.1 Library

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1 answer


Using config.setSecurityMode (ConnectionConfiguration.SecurityMode.ifpossible); solved my problem. It defines the configuration of the connection used. It enables TLS if the server supports the same.

refer: http://www.igniterealtime.org/builds/smack/docs/latest/javadoc/org/jivesoftware/smack/ConnectionConfiguration.html



config = XMPPTCPConnectionConfiguration.builder();
config.setSecurityMode(ConnectionConfiguration.SecurityMode.ifpossible);
        config.setSocketFactory(SSLSocketFactory.getDefault());
        config.setUsernameAndPassword(uid,apiKey);
        config.setServiceName("gcm.googleapis.com");
        config.setHost("gcm.googleapis.com");
        config.setPort(5235);
        config.setDebuggerEnabled(true);
            mConnection = new XMPPTCPConnection(config.build());
            mConnection.setPacketReplyTimeout(10000);

            try {
                mConnection.connect();

      

Hope this helps someone.

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