Try to add the followings lines:
1.FileTransferNegotiator.setServiceEnabled(ConstantUtils.conn2, true);
2.OutgoingFileTransfer.setResponseTimeout(30000);
Try to add the followings lines:
1.FileTransferNegotiator.setServiceEnabled(ConstantUtils.conn2, true);
2.OutgoingFileTransfer.setResponseTimeout(30000);