selector = Selector.open();
sch.register(selector, SelectionKey.OP_ACCEPT);
config = new DefaultSctpServerChannelConfig(this, sch);
success = true;
} catch (Exception e) {
throw new ChannelException("failed to initialize a sctp server channel", e);
} finally {
if (!success) {
try {
sch.close();
} catch (IOException e) {