Re: [mosquitto-dev] Help needed, odd behaviour: What are the reasons the

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Re: [mosquitto-dev] Help needed, odd behaviour: What are the reasons the Broker will stop sending PUBLISH to a client?
From: Felipe de Andrade Neves Lavratti <felipelav@xxxxxxxxx>
Date: Tue, 7 Jul 2015 18:15:28 -0300
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Again,

The problem is easy to replicate:

The setup is this:
- I have 6 clients connected to the broker
- All clients are subscribed to the topic 'test'
- All clients reply on topic 'testout' for each message received in topic 'test'
- All clients send PINGs each 20s
- A connection expires in 60s
- Every message is QOS2

The test routine is this:
Publishes to the topic 'test' periodically in a frequency faster than
the clients can answer (on my slow 802.15.4 network I use 3 seconds)
until you realise that the broker will stop sending any publish to a
client until the client reconnects.

It is feeling like a bug, what extra info you may need on this?

Bellow another log of the problem.

--------


**** Send a PUBLISH to everybody, including fe80::215:8d00:76:813f.

1436302152: Sending PUBLISH to aaaa::215:8d00:76:813a (d0, q2, r0,
m46, 'test', ... (9 bytes))
1436302152: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0,
m46, 'test', ... (9 bytes))
1436302152: Sending PUBLISH to fe80::215:8d00:76:813b (d0, q2, r0,
m46, 'test', ... (9 bytes))
1436302152: Sending PUBLISH to fe80::215:8d00:76:8136 (d0, q2, r0,
m46, 'test', ... (9 bytes))
1436302152: Sending PUBLISH to fe80::215:8d00:76:8139 (d0, q2, r0,
m46, 'test', ... (9 bytes))
1436302152: Sending PUBLISH to fe80::215:8d00:76:813f (d0, q2, r0,
m46, 'test', ... (9 bytes))

1436302152: Received PUBREC from aaaa::215:8d00:76:813a (Mid: 46)
1436302152: Sending PUBREL to aaaa::215:8d00:76:813a (Mid: 46)
1436302152: Received PUBREC from fe80::215:8d00:76:8139 (Mid: 46)
1436302152: Sending PUBREL to fe80::215:8d00:76:8139 (Mid: 46)
1436302152: Received PUBCOMP from aaaa::215:8d00:76:813a (Mid: 46)
1436302152: Received PUBCOMP from fe80::215:8d00:76:8139 (Mid: 46)
1436302153: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
m46, 'testout', ... (25 bytes))
1436302153: Received PUBLISH from aaaa::215:8d00:76:813a (d0, q2, r0,
m48, 'testout', ... (25 bytes))
1436302153: Sending PUBREC to aaaa::215:8d00:76:813a (Mid: 48)
1436302153: Received PUBREL from aaaa::215:8d00:76:813a (Mid: 48)
1436302153: Sending PUBCOMP to aaaa::215:8d00:76:813a (Mid: 48)
1436302153: Received PUBLISH from fe80::215:8d00:76:8139 (d0, q2, r0,
m47, 'testout', ... (25 bytes))
1436302153: Sending PUBREC to fe80::215:8d00:76:8139 (Mid: 47)
1436302153: Received PUBREL from fe80::215:8d00:76:8139 (Mid: 47)
1436302153: Sending PUBCOMP to fe80::215:8d00:76:8139 (Mid: 47)

**** Does the hand shake with fe80::215:8d00:76:813f

1436302154: Received PUBREC from fe80::215:8d00:76:813f (Mid: 46)
1436302154: Sending PUBREL to fe80::215:8d00:76:813f (Mid: 46)
1436302154: Received PUBCOMP from fe80::215:8d00:76:813f (Mid: 46)
1436302154: Received PUBREC from fe80::215:8d00:76:813b (Mid: 46)
1436302154: Sending PUBREL to fe80::215:8d00:76:813b (Mid: 46)
1436302154: Received PUBCOMP from fe80::215:8d00:76:813b (Mid: 46)

**** fe80::215:8d00:76:813f repplied, as well everybody else.

1436302155: Received PUBLISH from fe80::215:8d00:76:813f (d0, q2, r0,
m47, 'testout', ... (25 bytes))
1436302155: Sending PUBREC to fe80::215:8d00:76:813f (Mid: 47)
1436302156: Received PUBREC from fe80::215:8d00:76:8136 (Mid: 46)
1436302156: Sending PUBREL to fe80::215:8d00:76:8136 (Mid: 46)
1436302156: Received PUBCOMP from fe80::215:8d00:76:8136 (Mid: 46)

1436302156: Sending PUBLISH to aaaa::215:8d00:76:813a (d0, q2, r0,
m47, 'test', ... (9 bytes))
1436302156: Sending PUBLISH to fe80::215:8d00:76:813b (d0, q2, r0,
m47, 'test', ... (9 bytes))
1436302156: Sending PUBLISH to fe80::215:8d00:76:8136 (d0, q2, r0,
m47, 'test', ... (9 bytes))
1436302156: Sending PUBLISH to fe80::215:8d00:76:8139 (d0, q2, r0,
m47, 'test', ... (9 bytes))

1436302156: Received PUBREC from aaaa::215:8d00:76:813a (Mid: 47)
1436302156: Sending PUBREL to aaaa::215:8d00:76:813a (Mid: 47)
1436302156: Received PUBCOMP from aaaa::215:8d00:76:813a (Mid: 47)
1436302156: Received PUBREC from fe80::215:8d00:76:8136 (Mid: 47)
1436302156: Sending PUBREL to fe80::215:8d00:76:8136 (Mid: 47)
1436302156: Received PUBCOMP from fe80::215:8d00:76:8136 (Mid: 47)
1436302157: Received PUBREL from fe80::215:8d00:76:813f (Mid: 47)
1436302157: Sending PUBCOMP to fe80::215:8d00:76:813f (Mid: 47)

**** Finished the handshake of  fe80::215:8d00:76:813f repply.
**** From now on fe80::215:8d00:76:813f gets no more PUBLISH from the
broker. Why?


1436302157: Received PUBLISH from fe80::215:8d00:76:813b (d0, q2, r0,
m47, 'testout', ... (25 bytes))
1436302157: Received PUBLISH from aaaa::215:8d00:76:813a (d0, q2, r0,
m49, 'testout', ... (25 bytes))
1436302157: Sending PUBREC to aaaa::215:8d00:76:813a (Mid: 49)
1436302157: Received PUBREL from aaaa::215:8d00:76:813a (Mid: 49)
1436302157: Sending PUBCOMP to aaaa::215:8d00:76:813a (Mid: 49)
1436302157: Received PUBLISH from fe80::215:8d00:76:8136 (d0, q2, r0,
m47, 'testout', ... (25 bytes))
1436302157: Sending PUBREC to fe80::215:8d00:76:8136 (Mid: 47)
1436302157: Received PUBREL from fe80::215:8d00:76:8136 (Mid: 47)
1436302157: Sending PUBCOMP to fe80::215:8d00:76:8136 (Mid: 47)
1436302157: Received PUBLISH from fe80::215:8d00:76:8136 (d0, q2, r0,
m48, 'testout', ... (25 bytes))
1436302157: Sending PUBREC to fe80::215:8d00:76:8136 (Mid: 48)
1436302157: Received PUBREL from fe80::215:8d00:76:8136 (Mid: 48)
1436302157: Sending PUBCOMP to fe80::215:8d00:76:8136 (Mid: 48)
1436302157: Sending PUBLISH to fe80::215:8d00:76:8140 (d1, q2, r0,
m46, 'test', ... (9 bytes))
1436302157: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 46)
1436302157: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 46)
1436302158: Received PUBREC from fe80::215:8d00:76:8139 (Mid: 47)
1436302158: Sending PUBREL to fe80::215:8d00:76:8139 (Mid: 47)
1436302158: Received PUBCOMP from fe80::215:8d00:76:8139 (Mid: 47)
1436302158: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 46)
1436302159: Received PUBLISH from fe80::215:8d00:76:8139 (d0, q2, r0,
m48, 'testout', ... (25 bytes))
1436302159: Sending PUBREC to fe80::215:8d00:76:8139 (Mid: 48)
1436302159: Received PUBREL from fe80::215:8d00:76:8139 (Mid: 48)
1436302159: Sending PUBCOMP to fe80::215:8d00:76:8139 (Mid: 48)
1436302160: Sending PUBLISH to aaaa::215:8d00:76:813a (d0, q2, r0,
m48, 'test', ... (9 bytes))
1436302160: Sending PUBLISH to fe80::215:8d00:76:8136 (d0, q2, r0,
m48, 'test', ... (9 bytes))
1436302160: Sending PUBLISH to fe80::215:8d00:76:8139 (d0, q2, r0,
m48, 'test', ... (9 bytes))
1436302160: Received PUBREC from aaaa::215:8d00:76:813a (Mid: 48)
1436302160: Sending PUBREL to aaaa::215:8d00:76:813a (Mid: 48)
1436302160: Received PUBCOMP from aaaa::215:8d00:76:813a (Mid: 48)
1436302160: Received PUBREC from fe80::215:8d00:76:8139 (Mid: 48)
1436302160: Sending PUBREL to fe80::215:8d00:76:8139 (Mid: 48)
1436302160: Received PUBCOMP from fe80::215:8d00:76:8139 (Mid: 48)
1436302161: Received PUBLISH from aaaa::215:8d00:76:813a (d0, q2, r0,
m50, 'testout', ... (25 bytes))
1436302161: Sending PUBREC to aaaa::215:8d00:76:813a (Mid: 50)
1436302161: Received PUBREL from aaaa::215:8d00:76:813a (Mid: 50)
1436302161: Sending PUBCOMP to aaaa::215:8d00:76:813a (Mid: 50)
1436302161: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
m46, 'testout', ... (25 bytes))
1436302161: Sending PUBREC to fe80::215:8d00:76:8140 (Mid: 46)
1436302161: Received PUBREL from fe80::215:8d00:76:8140 (Mid: 46)
1436302161: Sending PUBCOMP to fe80::215:8d00:76:8140 (Mid: 46)
1436302161: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
m47, 'testout', ... (25 bytes))
1436302161: Received PUBLISH from fe80::215:8d00:76:8139 (d0, q2, r0,
m49, 'testout', ... (25 bytes))
1436302161: Sending PUBREC to fe80::215:8d00:76:8139 (Mid: 49)
1436302161: Received PUBREL from fe80::215:8d00:76:8139 (Mid: 49)
1436302161: Sending PUBCOMP to fe80::215:8d00:76:8139 (Mid: 49)
1436302162: Sending PUBLISH to fe80::215:8d00:76:813b (d1, q2, r0,
m47, 'test', ... (9 bytes))
1436302162: Received PUBREC from fe80::215:8d00:76:813b (Mid: 47)
1436302162: Sending PUBREL to fe80::215:8d00:76:813b (Mid: 47)
1436302162: Received PUBCOMP from fe80::215:8d00:76:813b (Mid: 47)
1436302162: Received PUBREC from fe80::215:8d00:76:8136 (Mid: 48)
1436302162: Sending PUBREL to fe80::215:8d00:76:8136 (Mid: 48)
1436302162: Received PUBCOMP from fe80::215:8d00:76:8136 (Mid: 48)
1436302163: Received PUBLISH from fe80::215:8d00:76:8136 (d0, q2, r0,
m49, 'testout', ... (25 bytes))
1436302163: Sending PUBREC to fe80::215:8d00:76:8136 (Mid: 49)
1436302163: Received PUBREL from fe80::215:8d00:76:8136 (Mid: 49)
1436302163: Sending PUBCOMP to fe80::215:8d00:76:8136 (Mid: 49)
1436302164: Sending PUBLISH to aaaa::215:8d00:76:813a (d0, q2, r0,
m49, 'test', ... (9 bytes))
1436302164: Sending PUBLISH to fe80::215:8d00:76:8136 (d0, q2, r0,
m49, 'test', ... (9 bytes))
1436302164: Sending PUBLISH to fe80::215:8d00:76:8139 (d0, q2, r0,
m49, 'test', ... (9 bytes))
1436302164: Received PUBREC from aaaa::215:8d00:76:813a (Mid: 49)
1436302164: Sending PUBREL to aaaa::215:8d00:76:813a (Mid: 49)
1436302164: Received PUBCOMP from aaaa::215:8d00:76:813a (Mid: 49)
1436302164: Received PUBREC from fe80::215:8d00:76:8139 (Mid: 49)
1436302164: Sending PUBREL to fe80::215:8d00:76:8139 (Mid: 49)
1436302164: Received PUBCOMP from fe80::215:8d00:76:8139 (Mid: 49)
1436302165: Received PUBLISH from aaaa::215:8d00:76:813a (d0, q2, r0,
m51, 'testout', ... (25 bytes))
1436302165: Sending PUBREC to aaaa::215:8d00:76:813a (Mid: 51)
1436302165: Received PUBREL from aaaa::215:8d00:76:813a (Mid: 51)
1436302165: Sending PUBCOMP to aaaa::215:8d00:76:813a (Mid: 51)
1436302165: Received PUBLISH from fe80::215:8d00:76:813b (d0, q2, r0,
m47, 'testout', ... (25 bytes))
1436302165: Sending PUBREC to fe80::215:8d00:76:813b (Mid: 47)
1436302165: Received PUBREL from fe80::215:8d00:76:813b (Mid: 47)
1436302165: Sending PUBCOMP to fe80::215:8d00:76:813b (Mid: 47)
1436302165: Received PUBLISH from fe80::215:8d00:76:813b (d0, q2, r0,
m48, 'testout', ... (25 bytes))
1436302166: Received PUBREC from fe80::215:8d00:76:8136 (Mid: 49)
1436302166: Sending PUBREL to fe80::215:8d00:76:8136 (Mid: 49)
1436302166: Received PUBCOMP from fe80::215:8d00:76:8136 (Mid: 49)
1436302167: Received PUBLISH from fe80::215:8d00:76:8136 (d0, q2, r0,
m50, 'testout', ... (25 bytes))
1436302167: Sending PUBREC to fe80::215:8d00:76:8136 (Mid: 50)
1436302167: Received PUBREL from fe80::215:8d00:76:8136 (Mid: 50)
1436302167: Sending PUBCOMP to fe80::215:8d00:76:8136 (Mid: 50)
1436302167: Received PUBLISH from fe80::215:8d00:76:8139 (d0, q2, r0,
m50, 'testout', ... (25 bytes))
1436302167: Sending PUBREC to fe80::215:8d00:76:8139 (Mid: 50)
1436302167: Received PUBREL from fe80::215:8d00:76:8139 (Mid: 50)
1436302167: Sending PUBCOMP to fe80::215:8d00:76:8139 (Mid: 50)
1436302168: Sending PUBLISH to aaaa::215:8d00:76:813a (d0, q2, r0,
m50, 'test', ... (9 bytes))
1436302168: Sending PUBLISH to fe80::215:8d00:76:8136 (d0, q2, r0,
m50, 'test', ... (9 bytes))
1436302168: Sending PUBLISH to fe80::215:8d00:76:8139 (d0, q2, r0,
m50, 'test', ... (9 bytes))
1436302168: Received PUBREC from aaaa::215:8d00:76:813a (Mid: 50)
1436302168: Sending PUBREL to aaaa::215:8d00:76:813a (Mid: 50)
1436302168: Received PUBCOMP from aaaa::215:8d00:76:813a (Mid: 50)
1436302168: Received PUBREC from fe80::215:8d00:76:8139 (Mid: 50)
1436302168: Sending PUBREL to fe80::215:8d00:76:8139 (Mid: 50)
1436302168: Received PUBCOMP from fe80::215:8d00:76:8139 (Mid: 50)
1436302169: Received PUBLISH from aaaa::215:8d00:76:813a (d0, q2, r0,
m52, 'testout', ... (25 bytes))
1436302169: Sending PUBREC to aaaa::215:8d00:76:813a (Mid: 52)
1436302169: Received PUBREL from aaaa::215:8d00:76:813a (Mid: 52)
1436302169: Sending PUBCOMP to aaaa::215:8d00:76:813a (Mid: 52)
1436302169: Received PUBLISH from fe80::215:8d00:76:8139 (d0, q2, r0,
m51, 'testout', ... (25 bytes))
1436302169: Sending PUBREC to fe80::215:8d00:76:8139 (Mid: 51)
1436302169: Received PUBREL from fe80::215:8d00:76:8139 (Mid: 51)
1436302169: Sending PUBCOMP to fe80::215:8d00:76:8139 (Mid: 51)
1436302170: Received PUBREC from fe80::215:8d00:76:8136 (Mid: 50)
1436302170: Sending PUBREL to fe80::215:8d00:76:8136 (Mid: 50)
1436302170: Received PUBCOMP from fe80::215:8d00:76:8136 (Mid: 50)
1436302171: Received PUBLISH from fe80::215:8d00:76:8136 (d0, q2, r0,
m51, 'testout', ... (25 bytes))
1436302171: Sending PUBREC to fe80::215:8d00:76:8136 (Mid: 51)
1436302171: Received PUBREL from fe80::215:8d00:76:8136 (Mid: 51)
1436302171: Sending PUBCOMP to fe80::215:8d00:76:8136 (Mid: 51)
1436302172: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
m47, 'testout', ... (25 bytes))
1436302172: Sending PUBREC to fe80::215:8d00:76:8140 (Mid: 47)
1436302172: Received PUBREL from fe80::215:8d00:76:8140 (Mid: 47)
1436302172: Sending PUBCOMP to fe80::215:8d00:76:8140 (Mid: 47)
1436302172: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0,
m47, 'test', ... (9 bytes))
1436302172: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 47)
1436302172: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 47)
1436302172: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 47)
1436302172: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0,
m48, 'test', ... (9 bytes))
1436302172: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 48)
1436302172: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 48)
1436302172: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 48)
1436302172: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0,
m49, 'test', ... (9 bytes))
1436302172: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 49)
1436302172: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 49)
1436302172: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 49)
1436302172: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0,
m50, 'test', ... (9 bytes))
1436302172: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 50)
1436302172: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 50)
1436302172: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 50)
1436302172: Sending PUBLISH to aaaa::215:8d00:76:813a (d0, q2, r0,
m51, 'test', ... (9 bytes))
1436302172: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0,
m51, 'test', ... (9 bytes))
1436302172: Sending PUBLISH to fe80::215:8d00:76:8136 (d0, q2, r0,
m51, 'test', ... (9 bytes))
1436302172: Sending PUBLISH to fe80::215:8d00:76:8139 (d0, q2, r0,
m51, 'test', ... (9 bytes))

On Tue, Jul 7, 2015 at 12:32 PM, Felipe de Andrade Neves Lavratti
<felipelav@xxxxxxxxx> wrote:
> Now I've found another problem with the same simptom: Mosquitto stop
> sending publishes to a node.
>
> In this case, with the same configuration as my last email, mosquito
> received a PINGREQ after sending a PUBLISH, where the PUBLISH packet
> has been lost, and then Mosquitto stopped sending retries for that
> PUBLISH, but kept answering PINGREQ with PINGRESP.
>
> 1436281706: Sending PUBLISH to fe80::215:8d00:76:8136 (d0, q2, r0, m3,
> 'test', ... (9 bytes))
>
> 1436281708: Received PINGREQ from fe80::215:8d00:76:8136
> 1436281708: Sending PINGRESP to fe80::215:8d00:76:8136
>
>
> Am I doing anything wrong here ? It's the second problem I am facing
> with `max_inflight_messages 1`.
>
> (mosquitto version 1.3.4 (build date 2015-01-15 13:28:43+0000) )
>
> On Tue, Jul 7, 2015 at 12:04 PM, Felipe de Andrade Neves Lavratti
> <felipelav@xxxxxxxxx> wrote:
>> Hi!
>>
>> I am running a stress test in my network, sending a publish in qos2
>> each 5 seconds in the topic "test" where clients are subscribed with
>> qo2, and then the clients answer in the topic "testout" with a qos2 as
>> well.
>>
>> I have observed this odd behaviour and would like to understand it
>> better, can you help me?
>>
>> The odd behaviour is this: The Mosqutto stopped send PUBLISH to the
>> client, after a while.
>>
>> I am using the following configuration file:
>>
>> persistence true
>> persistence_location /var/lib/mosquitto/
>> max_inflight_messages 1
>>
>>
>> This is the log:
>>
>> *** client subscribe to topic ***
>>
>> 1436277833: New client connected from aaaa::215:8d00:76:8140 as
>> fe80::215:8d00:76:8140 (c1, k60).
>> 1436277833: Sending CONNACK to fe80::215:8d00:76:8140 (0)
>> 1436277839: Received SUBSCRIBE from fe80::215:8d00:76:8140
>> 1436277839: fe80::215:8d00:76:8140 2 test
>> 1436277839: Sending SUBACK to fe80::215:8d00:76:8140
>>
>>
>> 1436277859: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436277859: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436277880: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436277880: Sending PINGRESP to fe80::215:8d00:76:8140
>>
>> *** data starts to be exchanged ***
>>
>> 1436277886: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0, m1,
>> 'test', ... (9 bytes))
>> 1436277886: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 1)
>> 1436277886: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 1)
>> 1436277886: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 1)
>>
>> 1436277887: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
>> m29, 'testout', ... (3 bytes))
>> 1436277887: Sending PUBREC to fe80::215:8d00:76:8140 (Mid: 29)
>> 1436277887: Received PUBREL from fe80::215:8d00:76:8140 (Mid: 29)
>> 1436277887: Sending PUBCOMP to fe80::215:8d00:76:8140 (Mid: 29)
>>
>> 1436277891: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0, m2,
>> 'test', ... (9 bytes))
>> 1436277891: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 2)
>> 1436277891: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 2)
>> 1436277891: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 2)
>>
>> 1436277892: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
>> m30, 'testout', ... (3 bytes))
>> 1436277892: Sending PUBREC to fe80::215:8d00:76:8140 (Mid: 30)
>> 1436277892: Received PUBREL from fe80::215:8d00:76:8140 (Mid: 30)
>> 1436277892: Sending PUBCOMP to fe80::215:8d00:76:8140 (Mid: 30)
>>
>> 1436277896: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0, m3,
>> 'test', ... (9 bytes))
>> 1436277896: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 3)
>> 1436277896: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 3)
>> 1436277896: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 3)
>>
>> 1436277897: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
>> m31, 'testout', ... (3 bytes))
>> 1436277897: Sending PUBREC to fe80::215:8d00:76:8140 (Mid: 31)
>> 1436277899: Received PUBREL from fe80::215:8d00:76:8140 (Mid: 31)
>> 1436277899: Sending PUBCOMP to fe80::215:8d00:76:8140 (Mid: 31)
>>
>> 1436277901: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0, m4,
>> 'test', ... (9 bytes))
>> 1436277901: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 4)
>> 1436277901: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 4)
>> 1436277901: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 4)
>>
>> 1436277902: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
>> m32, 'testout', ... (3 bytes))
>> 1436277902: Sending PUBREC to fe80::215:8d00:76:8140 (Mid: 32)
>> 1436277902: Received PUBREL from fe80::215:8d00:76:8140 (Mid: 32)
>> 1436277902: Sending PUBCOMP to fe80::215:8d00:76:8140 (Mid: 32)
>>
>> 1436277906: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0, m5,
>> 'test', ... (9 bytes))
>> 1436277906: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 5)
>> 1436277906: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 5)
>> 1436277906: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 5)
>>
>> 1436277907: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
>> m33, 'testout', ... (3 bytes))
>> 1436277907: Sending PUBREC to fe80::215:8d00:76:8140 (Mid: 33)
>> 1436277909: Received PUBREL from fe80::215:8d00:76:8140 (Mid: 33)
>> 1436277909: Sending PUBCOMP to fe80::215:8d00:76:8140 (Mid: 33)
>>
>> 1436277911: Sending PUBLISH to fe80::215:8d00:76:8140 (d0, q2, r0, m6,
>> 'test', ... (9 bytes))
>> 1436277911: Received PUBREC from fe80::215:8d00:76:8140 (Mid: 6)
>> 1436277911: Sending PUBREL to fe80::215:8d00:76:8140 (Mid: 6)
>> 1436277911: Received PUBCOMP from fe80::215:8d00:76:8140 (Mid: 6)
>>
>> 1436277916: Received PUBLISH from fe80::215:8d00:76:8140 (d0, q2, r0,
>> m34, 'testout', ... (3 bytes))
>> 1436277916: Sending PUBREC to fe80::215:8d00:76:8140 (Mid: 34)
>> 1436277918: Received PUBREL from fe80::215:8d00:76:8140 (Mid: 34)
>> 1436277918: Sending PUBCOMP to fe80::215:8d00:76:8140 (Mid: 34)
>>
>>
>> *** data exchange stops, why ? There is still publishes being made to
>> the `test` topic. ***
>>
>>
>> 1436277938: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436277938: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436277959: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436277959: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436277981: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436277981: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278002: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278002: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278022: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278022: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278043: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278043: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278063: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278063: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278084: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278084: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278104: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278104: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278125: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278125: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278145: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278145: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278166: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278166: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278186: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278186: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278207: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278207: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278227: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278227: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278248: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278248: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278268: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278268: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278289: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278289: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278309: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278309: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278330: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278330: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278350: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278350: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278371: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278371: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278391: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278391: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278412: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278412: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278432: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278432: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278453: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278453: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278473: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278473: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278494: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278494: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278514: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278514: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278535: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278535: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278555: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278555: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278576: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278576: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278596: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278596: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278617: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278617: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278637: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278637: Sending PINGRESP to fe80::215:8d00:76:8140
>> 1436278658: Received PINGREQ from fe80::215:8d00:76:8140
>> 1436278658: Sending PINGRESP to fe80::215:8d00:76:8140
>>
>> *** buffer overflow **
>>
>> 1436278661: Outgoing messages are being dropped for client
>> fe80::215:8d00:76:8140.
>>
>>
>>
>> --
>> Skype: felipeanl
>
>
>
> --
> Skype: felipeanl



-- 
Skype: felipeanl
Follow-Ups:
- Re: [mosquitto-dev] Help needed, odd behaviour: What are the reasons the Broker will stop sending PUBLISH to a client?
  - From: Karl Palsson
References:
- [mosquitto-dev] Help needed, odd behaviour: What are the reasons the Broker will stop sending PUBLISH to a client?
  - From: Felipe de Andrade Neves Lavratti
- Re: [mosquitto-dev] Help needed, odd behaviour: What are the reasons the Broker will stop sending PUBLISH to a client?
  - From: Felipe de Andrade Neves Lavratti
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