Read and WriteTimeoutHandlers stopped working

[sifman]

Does anyone know under what circumstances is it possible for configured Read
and WriteTimeoutHandlers to stop working?

This worked fine in the past and nothing changed:  not the src code or Netty
version (3.1.5).

Code as follows:

pipeline.addLast("readTimeout", new ReadTimeoutHandler(timer, 0,
TimeUnit.MINUTES));
pipeline.addLast("writeTimeout", new WriteTimeoutHandler(timer, 30,
TimeUnit.SECONDS));

This used to throw the WriteTimeoutException, but not anymore for no
apparent reason.

To bypass this I've managed to get a timeout again by using the
IdleStateHandler as follows:
pipeline.addLast("idleStateHandler", new IdleStateHandler(timer, 0, 30, 0,
TimeUnit.SECONDS));

With this in my handler class as well:

    @Override
    public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)
    		throws Exception {
    	if (e instanceof IdleStateEvent) {
        	//do custom code
        } 
    	super.handleUpstream(ctx, e);
    }


I find this very weird, that is that IdleStateHandler works but not the
WriteTimeoutHandler anymore.  Has anyone ever seen/experienced something
similar?

Any input is appreciated.
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