Help have a look at this log

[lucasjinreal]

I debug for days, can't resovle this:

time=2025-02-13T21:55:28.651+08:00 level=INFO msg="attached listener" id=t11 protocol=tcp address=[::]:1883
INFO[0002] Start ServerMQTTv2 at port: :1883
time=2025-02-13T21:55:28.651+08:00 level=INFO msg="added hook" hook=my-hook
time=2025-02-13T21:55:28.651+08:00 level=INFO msg=initialised hook=my-hook
time=2025-02-13T21:55:28.651+08:00 level=INFO msg="added hook" hook=pebble-db
time=2025-02-13T21:55:28.665+08:00 level=INFO msg="mochi mqtt starting" version=2.6.7
time=2025-02-13T21:55:28.665+08:00 level=INFO msg="mochi mqtt server started"
time=2025-02-13T21:55:37.234+08:00 level=WARN msg="" listener=t11 error="server busy"
time=2025-02-13T21:55:51.463+08:00 level=WARN msg="" listener=t11 error="server busy"
time=2025-02-13T21:55:51.571+08:00 level=WARN msg="" listener=t11 error="server busy"
time=2025-02-13T21:55:56.622+08:00 level=WARN msg="" listener=t11 error="server busy"

Any hints why this happen?

The error just happen after once code upgrade simple go get..

And code can not be run... The client can not connect anymore

[lucasjinreal]

OK, the error caused by:

server := mqtt.New(&mqtt.Options{
	InlineClient: true,
	// Capabilities: &mqtt.Capabilities{
	// 	MaximumMessageExpiryInterval: 60 * 60 * 24 * 5,
	// 	MaximumSessionExpiryInterval: 60 * 60 * 24 * 5},
})

the Capabilities, why?

[thedevop]

This error is returned when number of clients reach MaximumClients. By default, it is set to MaxInt64 (effectively unlimited). This is to prevent server allowing more clients than what the hardware resources are available (especially memory).