My app crashes after the user on Spark accepts the file for transfer. Can anyone help me find out why this happens?
My logcat :
I/System.out﹕ tcp port:7777 D/dalvikvm﹕ create interp thread : stack size=128KB D/dalvikvm﹕ create new thread D/dalvikvm﹕ new thread created D/dalvikvm﹕ update thread list D/dalvikvm﹕ threadid=31: interp stack at 0x6308b000 D/dalvikvm﹕ threadid=31: created from interp D/dalvikvm﹕ start new thread D/dalvikvm﹕ threadid=31: notify debugger D/dalvikvm﹕ threadid=31 (Thread-4359): calling run() D/SMACK﹕ SENT (0): <iq to='proxy.serverip' id='87PqQ-43' type='get'><query xmlns='http://jabber.org/protocol/bytestreams'/></iq> D/SMACK﹕ RECV (0): <iq type="result" id="87PqQ-43" from="proxy.serverip" to="me@serverip/Smack"><query xmlns="http://jabber.org/protocol/bytestreams"><streamhost jid="proxy.175.139.183.204" port="7777"/></query></iq> W/XMPPTCPConnection﹕ shutdownDone was not marked as successful by the writer thread org.jivesoftware.smack.SmackException$NoResponseException: No response received within reply timeout. Timeout was 5000ms (~5s). Used filter: No filter used or filter was 'null'. at org.jivesoftware.smack.SynchronizationPoint.checkForResponse(SynchronizationPoint.java:253) at org.jivesoftware.smack.SynchronizationPoint.checkIfSuccessOrWait(SynchronizationPoint.java:146) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.shutdown(XMPPTCPConnection.java:1278) at org.jivesoftware.smack.tcp.XMPPTCPConnection.shutdown(XMPPTCPConnection.java:503) at org.jivesoftware.smack.tcp.XMPPTCPConnection.instantShutdown(XMPPTCPConnection.java:492) at org.jivesoftware.smack.tcp.XMPPTCPConnection.notifyConnectionError(XMPPTCPConnection.java:872) at org.jivesoftware.smack.tcp.XMPPTCPConnection.access$2800(XMPPTCPConnection.java:140) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.writePackets(XMPPTCPConnection.java:1428) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.access$2900(XMPPTCPConnection.java:1179) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter$1.run(XMPPTCPConnection.java:1227) at java.lang.Thread.run(Thread.java:841) I/System.out﹕ [CDS]close[55522] D/dalvikvm﹕ threadid=14: exiting D/dalvikvm﹕ threadid=14: bye! I/System.out﹕ close [socket][/0.0.0.0:55522] W/AbstractXMPPConnection﹕ Connection closed with error java.lang.NullPointerException at org.jivesoftware.smack.util.LazyStringBuilder.length(LazyStringBuilder.java:72) at org.jivesoftware.smack.util.LazyStringBuilder.toString(LazyStringBuilder.java:100) at org.jivesoftware.smack.util.XmlStringBuilder.toString(XmlStringBuilder.java:344) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.writePackets(XMPPTCPConnection.java:1377) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.access$2900(XMPPTCPConnection.java:1179) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter$1.run(XMPPTCPConnection.java:1227) at java.lang.Thread.run(Thread.java:841) D/SMACK﹕ XMPPConnection closed due to an exception (0) W/System.err﹕ java.lang.NullPointerException W/System.err﹕ at org.jivesoftware.smack.util.LazyStringBuilder.length(LazyStringBuilder.java:72) W/System.err﹕ at org.jivesoftware.smack.util.LazyStringBuilder.toString(LazyStringBuilder.java:100) W/System.err﹕ at org.jivesoftware.smack.util.XmlStringBuilder.toString(XmlStringBuilder.java:344) W/System.err﹕ at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.writePackets(XMPPTCPConnection.java:1377) W/System.err﹕ at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.access$2900(XMPPTCPConnection.java:1179) W/System.err﹕ at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter$1.run(XMPPTCPConnection.java:1227) W/System.err﹕ at java.lang.Thread.run(Thread.java:841) D/dalvikvm﹕ threadid=13: exiting D/dalvikvm﹕ threadid=13: bye! D/dalvikvm﹕ threadid=30: exiting D/dalvikvm﹕ threadid=30: bye!
What I know is that a NullPointerException is returned when trying to write the xml to send to the server side. What I dont know is why it will return null and because it returns null, it causes my XMPPConnection connection to close.
Any feedback is appreciated.