@Override
	protected void onInit() {
		try {
			if (this.ssl) {
				this.sslContext = initializeSSLContext();
			}
		}
		catch (Exception e) {
			throw new BeanInitializationException("failed to initialize", e);
		}
		super.onInit();
	}
Set the max content length; default 1Mb.
@param maxContentLength the max content length.
extensions/spring-xd-extension-http/src/main/java/org/springframework/integration/x/http/NettyHttpInboundChannelAdapter.java