public static void replaceDefaultHandler(
@NotNull ChannelHandlerContext context,
@NotNull SimpleChannelUpstreamHandler messageChannelHandler) {
context
.getPipeline()
.replace(
DelegatingHttpRequestHandler.class, "replacedDefaultHandler", messageChannelHandler);
}
/** Invoked when an exception was raised by an I/O thread or a {@link ChannelHandler}. */
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
if (this == ctx.getPipeline().getLast()) {
logger.warn(
"EXCEPTION, please implement "
+ getClass().getName()
+ ".exceptionCaught() for proper handling.",
e.getCause());
}
ctx.sendUpstream(e);
}
