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in my chat application using asmack-jse-buddycloud-2010 library. i am able to do chat and file transfer but in testing 1 scenario occur’s , while transferring file(suppose file size > 1MBs or anysize) either server goes down or we loose internet connection in that case application get crashes by throwing an exception
error log.
07-02 13:09:05.983: E/AndroidRuntime(12913): FATAL EXCEPTION: File Transfer jsi_555743874184501198 07-02 13:09:05.983: E/AndroidRuntime(12913): Process: com.example.chat_demo, PID: 12913 07-02 13:09:05.983: E/AndroidRuntime(12913): java.lang.IllegalStateException: Not connected to server. 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smack.XMPPConnection.sendPacket(XMPPConnection.java:488) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.packet.SyncPacketSend.getReply(SyncPacketSend.java:41) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.packet.SyncPacketSend.getReply(SyncPacketSend.java:61) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession$IQIBBOutputStream.writeToXML(InBandBytestreamSession.java:763) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession$IBBOutputStream.flushBuffer(InBandBytestreamSession.java:707) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession$IBBOutputStream.closeInternal(InBandBytestreamSession.java:737) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession.closeByLocal(InBandBytestreamSession.java:191) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession.close(InBandBytestreamSession.java:153) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession$IQIBBOutputStream.writeToXML(InBandBytestreamSession.java:768) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession$IBBOutputStream.flushBuffer(InBandBytestreamSession.java:707) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession$IBBOutputStream.writeOut(InBandBytestreamSession.java:679) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession$IBBOutputStream.write(InBandBytestreamSession.java:641) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamSession$IBBOutputStream.write(InBandBytestreamSession.java:644) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.filetransfer.FileTransfer.writeToStream(FileTransfer.java:217) 07-02 13:09:05.983: E/AndroidRuntime(12913): at org.jivesoftware.smackx.filetransfer.OutgoingFileTransfer$2.run(OutgoingFileTransfer.java:231) ``
source code…
` File file ;
configureProviderManager(connection);
FileTransferNegotiator.setServiceEnabled(connection, true);
FileTransferManager manager = new FileTransferManager(connection);
String to = connection.getRoster().getPresence(to).getFrom();
transfer = manager.createOutgoingFileTransfer(to);
try {
configureProviderManager(connection);
//here file trasfer occur's .parameters are file and filename(has nothing to do with transfer)
transfer.sendFile(file,file.getName().tostring());
} catch (IllegalStateException e) {
Log.i("illegal state exception","caught ");
//transfer.cancel();
}catch (XMPPException e) {
e.printStackTrace();
}
while(!transfer.isDone()) {
if (transfer.getStatus() == Status.error) {
transfer.cancel();
}
if(transfer.getStatus().equals(Status.refused))
System.out.println("refused " + transfer.getError());
else if( transfer.getStatus().equals(Status.error))
System.out.println(" error " + transfer.getError());
}
if(transfer.getStatus().equals(Status.cancelled)){
System.out.println(" cancelled " + transfer.getError());
}
else
System.out.println("Success");
}
}
}`