@Override
public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
// as seen in http://www.jboss.org/netty/community.html#nabble-td2423020
super.channelOpen(ctx, e);
if (group != null) {
group.add(ctx.getChannel());
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
if (e.getCause() instanceof JsonParseException) {
BaseTransport.respond(
e.getChannel(), HttpResponseStatus.INTERNAL_SERVER_ERROR, "Broken JSON encoding.");
} else if (e.getCause() instanceof SessionHandler.NotFoundException) {
BaseTransport.respond(
e.getChannel(),
HttpResponseStatus.NOT_FOUND,
"Session not found. Cannot send data to non-existing session.");
} else {
super.exceptionCaught(ctx, e);
}
}